KEY POINTSJapan’s 154 major semiconductor-related manufacturers post record fiscal 2025 sales of 7.91 trillion yen and profit of 712.5 billion yenKioxia ranks first by revenue, while TSMC unit JASM records the fastest sales growth at roughly 143 times the prior-year levelTokyo Shoko Research flags uneven earnings and lingering disruption after the July 2026 Kumamoto earthquake
A chart shows the record-high revenue and profit of Japanese semiconductor manufacturers in 2025. Note: Japanese text in the original image from press release has been translated into English by our editorial team.
Tokyo Shoko Research
Tokyo Shoko Research said on September 4 that Japan’s major semiconductor-related manufacturers posted record sales and profit in fiscal 2025, helped by the spread of generative AI and stronger demand from data centers.
Combined sales at 154 domestic semiconductor-related manufacturers rose 17.1% from a year earlier to 7.91 trillion yen, while total profit increased 5.4% to 712.5 billion yen. Both were the highest in the past five years.
Demand for semiconductors used in solid-state drives and advanced processors expanded sharply, supporting shipments of higher-value products for AI servers. Kioxia was the top company by sales, with revenue rising 38.5% from the previous year as it captured demand for high-performance SSDs for data centers.
The top five companies accounted for 79.1% of total sales among the 154 companies, indicating further concentration in the sector. The top three by revenue were Kioxia at 2.26 trillion yen, Sony Semiconductor Solutions at 2.12 trillion yen and Renesas Electronics at 926.99 billion yen.
The release also showed uneven profit trends despite the broader market expansion. A total of 66 companies, or 42.8% of the group, remained profitable but posted lower earnings than a year earlier. Tokyo Shoko Research said rising raw material, energy and labor costs, difficulty passing on those costs and weak demand for some general-purpose products were among the factors weighing on profits across the sector.
Among the 154 companies, 113 were profitable in fiscal 2025, up from 107 a year earlier. Companies posting both higher sales and higher profit totaled 61, while 48 reported declines in both sales and profit. Another 18 companies posted higher sales but lower profit.
By size, 18 companies had annual sales of 50 billion yen or more, up by one from the previous year, and 68 companies, or 44.1% of the total, posted sales of 1 billion yen or more. At the other end, 36 companies, or 23.3%, had sales of less than 100 million yen.
Japan Advanced Semiconductor Manufacturing, the Japanese unit of Taiwan Semiconductor Manufacturing Co., posted the fastest sales growth, with revenue of 72.42 billion yen, up 14,240.5% from a year earlier, or roughly 143 times the previous year’s level. Only three companies in the survey recorded revenue growth of 100% or more from a year earlier.
Tokyo Shoko Research said the fiscal 2025 rebound followed a downturn in fiscal 2023, when demand that had expanded during earlier growth in smartphones, personal computers and digital services ran its course. In fiscal 2025, rising demand tied to generative AI and a global shortage of NAND flash memory lifted selling prices and supported revenue growth.
The report also pointed to disruption from the Kumamoto earthquake in July 2026. Production sites in the TSMC group and surrounding suppliers were affected by shutdowns. Some companies resumed operations quickly, but others had yet to return to full production, leaving attention focused on supplies of materials such as specialty gases and knock-on effects on nearby businesses.