This is Yamanishi speaking. I would like to thank you for your precious time, despite your busy schedule, to attend our earnings call for the first half for TDK Fiscal Year on March 2024. I'm so happy to have so many of you. Now allow me to go through the highlights of the first half earnings. The first background surrounding the earnings, although the global economic recoveries are observed in certain regions, but in Europe, the economy stagnated due to the monetary tightening, and in China, the economy slowed down due to the real estate recession. The economic situations vary depending on the region in question, thus unstable situations continued. We also observed the foreign exchange impact, and then the Japanese yen became cheaper vis-a-vis the US dollar and euro.
Under such a business environment, in the electronics industry, which affects our business performance, on top of the sluggish demand of ICT and hard disk drive markets, due to the long-lasting weak final demand, we had a delay in the demand recovery in industrial equipment and automotive markets. On year, on year-on-year basis, our sales declined 5.6%. Operating profit went down 28.9%. Looking at the net sales by the market, passive components declined significantly for ICT and industrial equipment markets. In the automotive market, though passive components and the sensors grew, but the recovery of the demand turned out to be slow due to the inventory adjustment on the customer side, in particular. HDD demand also now dropped significantly from the previous year. HDD heads and the suspensions sales went down significantly.
Small capacity, rechargeable batteries for the ICT market remained almost the same in sales volume as the last year, but due to the decline in the prices of raw materials, driven by the declining materials prices, its sales have dropped. Sales of power supplies for industrial equipment continue to be strong. Next, allow me now to explain the highlights of the first half results. With the FX fluctuations, particularly to the US dollar, net sales was up about JPY 35.5 billion. Operating profit was up about JPY 13.4 billion. Sales was one trillion fifty-nine point seven billion yen, down JPY 62.3 billion or 5.6% year-on-year basis. Operating profit, JPY 85.5 billion, down JPY 34.8 billion or down 28.9% year-on-year. Profit before tax was JPY 80.2 billion.
Net profit attributable to owners of parent was JPY 54.2 billion. Earnings per share was 142.86 JPY. As for the Forex sensitivity, the same as the last time, between the Japanese yen and US dollar, with the one yen fluctuation, we are now assuming that its impact is about JPY 2 billion for the full year, and between the Japanese yen and euro, its impact is about JPY 6 million. Next, I will explain the situations by segment for the first half. Passive components. Net sales was JPY 286.2 billion, down 3.3% year-on-year. Though xEVs and other automotive sales grew, but ICT and industrial equipment sales went down, pushing down profit by 41.2%.
Sales to the automotive market increased in all business segments, but the orders varied, depending on the other markets and applications specifically, giving us non-uniform results among the lines of business. We're able to now secure the growth in sales in the ceramic capacitors, thanks to the increased sales to the automotive market, but due to the deterioration in the product mix, its profit dropped. Aluminum film capacitors, on top of the automotive market, we had strong long-term orders for industrial equipment market. We enjoyed growth both in the sales and profit. As for inductive devices, high-frequency components and piezoelectric materials products, and circuit protection components, sales for ICT market and industrial equipment, as well as distributors declined, resulting in the drops in the sales and the profit. Next, sensor application products segment.
Net sales was JPY 36.1 billion, up 1.3% year-on-year. Operating profit was JPY 5 billion, down 29.6%. Temperature and pressure sensors, thanks to the increased sales for automotive, enjoyed growth both in the sales and profit. Magnetic sensors grew thanks to the Hall sensors for the automotive. TMR sensors for smartphones also grew firmly. In contrast, MEMS sensors, though the motion sensors for automotive expanded in sales, but due to the drop in the sales for ICT market, resulted in the decline both in the net sales and the profit. Next, magnetic application products. Net sales, JPY 83.1 billion, a big drop of 24.4% year-on-year. Operating profit was a big negative of JPY 19 billion. HDD heads and suspensions, with the sluggish demand for HDDs, the total demand for HDD was down 25% year-on-year.
In particular, total demand for the nearline HDD dropped 43%. Both HDD heads and suspensions dropped significantly in sales volume year-on-year, resulting in a big drop in net sales, generating the loss. We expected the structural reform aiming at the proper production system as we had planned. For that cost, we booked about JPY 900 million in the second quarter. Though the magnet for xEVs grew in the sales, but industrial equipment and then others declined in the sales, pushing down on the sales. With the delay in the productivity improvement, the loss increased slightly. Next, energy and application products. Net sales was JPY 578.9 billion. Operating profit was JPY 89.7 billion, down 3.9% in sales, and operating profit was up by 10.9%.
In the rechargeable batteries, sales volume of the small batteries for the smartphones was almost the same as the previous year, but the revenue decreased due to the lower selling prices and the price discounting driven by the falling materials prices, and sales of medium-sized batteries and also declined due to the joint venture transfer. Despite the drop in sales, the company has secured a profit an increase, including the effect of streamlining and FX gains. In the power supplies and for industrial equipment, revenue and then profit increased due to the firm demand for semiconductor manufacturing equipment and the medical equipment
While the loss of power supplies for EVs narrowed significantly due to the effect of the structural reform at the end of the previous fiscal year, on top of the increased revenue. Next, the analysis for the ups and downs of the operating profit being down over JPY 34.8 billion yen. HDD heads and suspensions declined in sales volume, and the passive components declined in volume, as well as the deteriorated product mix, and pushing down the profit by JPY 73.6 billion yen, and with the selling price change, profit was down by JPY 16 billion yen.
Although we had a positive effect driven by the cheaper yen, pushing up profit by JPY 13.4 billion, restriction caused reduction in rechargeable batteries and passive components of eleven point eight billion yen, and the effect of JPY 8.4 billion coming from the structural reform executed in the previous year, as well as the SG&A improvement by JPY 21.2 billion, we were not able to absorb the impact coming from the drop in sales volume. Next, I'd like to explain the second quarter results. The Forex fluctuations into the US dollar strength resulted in the growth in sales by about JPY 17.4 billion, and in operating profit by about JPY 6.9 billion. Net sales was JPY 556.3 billion, down JPY 55.2 billion, or 9% year-on-year basis.
Operating profit was JPY 59.2 billion, down JPY 16.5 billion, or 21.7%. Profit before tax was JPY 59.2 billion. Net profit attributable to owners of parent was JPY 39.5 billion. Earnings per share was 104.04 JPY. Next, I would like to explain the factors behind the ups and downs in sales and operating profit by segment from the first quarter to the second quarter of the current fiscal year. First, in the passive component segment, sales increased by JPY 4.7 billion, or 3.3% from the first quarter, and the operating profit was JPY 3.4 billion, up 24.2%.
Sales to the automotive increased in all businesses, while sales to the ICT market, mainly in the inductive devices and in high-frequency components, increased as the peak season for smartphones would come up. On the other hand, sales to industrial equipment and distributors declined overall, partly due to the inventory adjustments, and overall sales of passive components increased slightly from the first quarter. Operating profit increased due to the cost improvement that we carried out. Next, sensor and application products. Sales was up by JPY 8.5 billion, and operating profit was up by JPY 3.7 billion. Temperature and pressure sensors for automotive applications remained strong, and the sales of magnetic sensors for ICT applications increased significantly as the peak season for smartphones arrived.
Of particular notice is the big growth both in the sales and the profit due to the advanced orders from the third quarter. In MEMS sensors, while sales of motion sensors for the game consoles declined, microphones grew in the sales. For the total MEMS, revenue increased slightly, and the profit became almost flat since the first quarter. Next, magnetic application products. Sales was up JPY 6.6 billion, or 17.3%. Operating profit was up JPY 300 million, including the cost of JPY 900 million for the structural reform, which incurred in the second quarter. While the total demand for nearline HDDs remained almost flat, HDD head sales volume increased approximately 40% from the first quarter, partly due to the orders received ahead of the schedule from the third quarter.
While suspension sales volume declined about 5%, resulting in an overall increase in head sales. If we are to exclude the restructuring costs of about JPY 900 million incurred in the second quarter, partly thanks to the increased sales volume, the deficit has become smaller. As for the magnets, sales remained almost flat, but the deficit has improved. Next, energy application product segment. Sales was up JPY 29.1 billion, or 10.6%. Operating profit shows a big increase of JPY 25.3 billion. In the rechargeable battery in the business, sales of medium-sized batteries decreased due to the transfer to the joint venture, while sales of small batteries into smartphones in China increased, resulting in a significant increase in the overall sales and the profit. Industrial power supplies remained firm.
Sales on the power supplies for the EVs remained flat, but profitability improved. Next, in the last section, I would like to explain the cash flow situations. For the first half, operating cash flow was JPY 204.6 billion. CapEx and investing cash flow was JPY 98.5 billion, and free cash flow was JPY 160 billion. Taking into account the demand situations in the markets, we carried out a thorough inventory and optimization, and by further improving our other working capitals, we improved our operating cash flow dramatically. We also made a careful judgment on capital investment, taking into account of the supply and demand situations, generating a big increase in our free cash flow.
Although now we revised our earnings forecast downward when we announced the first quarter results, we did not change our cash flow forecast from the initial plan and maintained the free cash flow of JPY 80 billion for the full year. Though in the first half results already exceeded this level by a wide margin, we will continue to aim for further improvements in the second half. This concludes my explanation. I would like to thank you for your kind attention.
This is Saito. Thank you for joining us today, and I will now explain our Full Year Earnings forecast for the Fiscal Year, March 2024. The global economy showed increasing signs of slowdown due to a further rise in geopolitical risks, high interest rate policies to control inflation in the U.S. and Europe, and real estate slump in China. Under these circumstances, as explained earlier, although the production in the electronics market as a whole slowed down to sluggish end-user demand, the results for the first half of the fiscal year, March 2024, exceeded the forecast announced on 2 August 2023, partly due to the effects of the depreciation of yen.
As for the future outlook, we expect the production volume of nearline HDDs for smartphones and the data center to remain below the assumption made in the August announcement, and in particular, we expect a slow recovery and demand in the industrial equipment market. In automotive markets, the recovery of demand is expected to be slower than we previously assumed, due to the components of inventory adjustments by some customers, and the market environment surrounding our business is expected to remain uncertain. In light of these circumstances, our full year forecast for the fiscal year, March 2024, remain unchanged from those revised in August, with the net sales of JPY 1,970 billion, operating income of JPY 150 billion, and a net income of JPY 105 billion.
We assume an exchange rate of 130 yen for the second half of the year, unchanged from the beginning of the fiscal year. With regard to the cash flow, as explained earlier, operating cash flow is also on an increasing trend, and we will maintain the JPY 80 billion that we explained in August. There was no change in the dividend from the beginning of the fiscal year, but would like to do further, and there's no change in dividend from the beginning of the fiscal year. As explained now, we have revised the production volume forecast for major devices related to our company, which is, it just, the some, the earnings forecast, as you can see.
As for the automotive markets, the shortage of semiconductors and other factors are on the way to being resolved, and the growth and the number of xEVs in particular, has been strong. Therefore, production units stay the same, although there is some uncertainties. On the other hand, as we had explained in August, we expect a gradual recovery in the demand for components, although the degree of adjustment of a company, of components inventories vary from the customer to customer. Smartphone production volume, which represents the ICT market, was revised from the August assumption of 1.108 billion units to 1.102 billion units, although the USD assumption was still revised from the beginning of the period.
Next, regarding with the HDD market, due to the rapid changes in the data center investment environment, consumers continue to adjust HDD inventories, and we have revised the production volume of nearline HDDs for data centers downward from the August volume to 40 million units. I'd like to continue with an overview of the sales increase and the decrease from the second to the third quarter of the current fiscal year. This assumption includes a negative impact of about 10% of each segment, due to the yen's appreciation by about 14 yen from the actual exchange rate and the Q2. As for passive components, although sales of ceramic capacitors for automotive applications will increase, overall, sales of passive components are expected to decline by 5%-8% due to lower sales of aluminum film capacitors for industrial equipment and other passive components for ICT applications.
In sensor application products, sales of temperature and pressure sensor for automotives are expected to be strong, but sales of magnetic sensors and MEMS microphones for ICT applications are expected to decrease in the Q3, due to the impact of accelerated frontloading of the component sales from the Q3 to Q2, resulting in an overall decrease of 6%-9%. In the area of magnetic application products, HDD heads and suspensions are also expected to see a 15%-18% decline in overall sales from 2Q to 3Q, due to the frontloading from Q3 to Q2. While the sales volume for heads is expected to remain almost flat, sales volume for suspensions is expected to decline by approximately 23%.
We had previously explained that the head sales volume, sales volume, would be 1.8 times higher in the second half of the year than in the first half, but due to the advance and the frontloading of the Q3 to Q2 and the delay in the timing of the project launch, we now expect an increase of about 1.3 times, not 1.8 times, but 1.3 times. In energy application products, sales volume of small rechargeable batteries is expected to decline slightly, while overall sales are expected to decrease by 12%-15% due to the ongoing transfer of the medium-sized rechargeable batteries to the joint ventures. As a result, we expect an overall decrease of 10%-13%.
In addition to the image of sales increase and decrease that I have just explained, I would provide a supplementary explanation of the future outlook for passive components by market based on the Q2 results. Sales to the automotive market increased 9.5% year-on-year, and are also on an upward trend on a quarter-on-quarter basis. Although the degree of adjustments of component inventories varies by customer, we expect the upward trend to continue due to the increase in the number of xEVs and the increase in the number of components per vehicle. On the other hand, the industrial equipment market is down 5% from the first half of the previous year.
The ICT market is down 19%, and other markets, mainly for distributors, are down 24%, and we expect this adjustment phase to last a little longer. Having reported on the current business outlook, I would like to conclude with an explanation of our efforts to improve the return to capital. Beginning in the fiscal year March 2022, the company has classified its approximately 80 business units within four segments into six layers based on the two axes. Number one, return on invested capital, and two, and business potential. To clarify the weights of investment allocations and to transform and optimize the business portfolio. These charts, now you see here, summarizes that the positioning of our major business units and the direction of their growth and improvements. Let me explain that the following with the charts.
Therefore, return on invested capital, we have set a WACC, W-A-C-C, weighted average cost of capital of 10% as a hurdle rates, and we are prioritizing investments in the businesses that meet this hurdle rates and have high future potential, such as MLCCs, small rechargeable batteries, TMR sensors, and motion sensors, that are all and as a sustainable high profit businesses. I will explain that the measure to be taken for each of these businesses, including those that I explained as a strategic growth businesses at the beginning of this fiscal year. With regard to TMR sensors, we expect to continue the business expansion for ICT applications, such as smartphones and for high-performance motor angle sensors for automobiles and industrial robots. As we explained in April, we are continuing our efforts to expand our capacity.
In addition, we started mass production of a current sensor production, current sensor products for EVs last year, and as announced in our recent press release, we have decided to form a strategic alliance with the LEM, L-E-M, company, the largest company in the current sensor industry. By partnering with the industry, the largest company, we will accelerate our expansion, not only into automotive EV applications, but also into various other applications, such as renewable energy, industrial equipment, and home appliances. Regarding MEMS motion sensors, we believe that demand for the MEMS motion sensors will continue to grow significantly in future as a gateway to capture motion information for various applications in the DX society. In particular, sales have been strong for automotive applications.
We will continue to refine our cutting-edge design and development capabilities to prepare for the sustained market growth over the medium to long-term basis. As for MLCC, demand continues to increase steadily, especially for high performance, high reliability products used in xEV and ADAS applications, and we are on a track to double our capacity in the fiscal year, March 2025, compared to the fiscal March 2021. And we're also, and the further enhancement of capacity is under consideration. In the area of small rechargeable batteries, we will continue to maintain our position as the top runner in small rechargeable batteries for the ICT by continuously developing and introducing cutting-edge technologies.
Even though we do not expect a significant growth in the production of ICT devices, such as smartphones, but still, we will enhance our cost competitiveness and ensure profitability by steadily, and the manpower savings, automations, and rationalization. Regarding medium-sized rechargeable batteries, the joint venture with the CATL started the full-scale mass production in April of this year, and the transfer to the new plant is progressing smoothly. As the only manufacturer specializing in medium-sized rechargeable batteries, the joint venture plans to expand its market share and sales by taking advantage of its broader product lineup, safety, long-term reliability, mass production know-how, and the scalability. In addition to rechargeable.
In addition to the residential ESS, the joint venture plans to expand its applications to industrial and commercial ESS, aiming to achieve consolidated sales of over JPY 100 billion in the fiscal year March 2027, and JPY 400 billion-JPY 500 billion in the fiscal year March 2030. Next, I would like to explain the turnaround enhancement project, which is shown on the lower left. In the magnets, the delay and productivity improvements of products for automotives is an issue, and we are aiming for an early turnaround by mobilizing all our resources, including the production technology and materials development centers of the head office branches, in addition to the business divisions.
In parallel, for businesses in the automotive industry, where the time and time cycle for design into the mass production is long, we are working to further tighten the criteria for the decision-making to go when business is committed. With regard to power supplies for EVs, their profitability is on an improving trend as procurement issues, such as semiconductor shortages, have been resolved, and we are aiming for an early turnaround. As for MEMS microphones, we expect the demand for digital microphones for smartphones and wearable devices to increase, and we will aim to secure the top line by acquiring new businesses. As explained above, now we will further strengthen our business portfolio by continuing to further strengthen our highly profitable businesses, while continuing to implement appropriate measures to turn around our problem businesses.
Although the current economic environment is very uncertain, we will continue to promote our growth strategy by continuing to implement measures that we can and should take internally. That is, measures to increase our own strengths, to ensure that we can ride the big wave of the EX and DX. The measures and the actions I have just explained will lead to the basic concept of the next mid-term business plan. More specific details of the plan will be announced in May of next year. But in order to achieve a new stage of growth for our company, we will improve capital efficiency and significantly grow strategic growth businesses, such as passive components and sensors, as a major earnings pillar following the rechargeable battery business. That concludes my presentation. Thank you very much for your kind attention. Thank you very much.