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According to Fuji Economic Research, a Japanese market research firm, the global power semiconductor market is estimated to grow by over 12% to 3.02 trillion yen (approximately 208 billion USD) in 2023. This growth is mainly driven by increased demand for electric vehicles and the widespread adoption of renewable energy sources like solar power. Moreover, the market is expected to continue expanding to 13.4 trillion yen in 2035, more than three times its size in 2023. China and Europe are predicted to play major roles, with the SiC (silicon carbide) market expected to rise to 230 billion yen in 2023 and expand to 5.3 trillion yen by 2035.
Electronics giants ROHM and Toshiba announced on December 8th that they will collaborate in the power semiconductor business to jointly produce and expand the production capacity of SiC, Si-based power semiconductors, and SiC wafers. The total investment is set at 388.3 billion yen (ROHM: 289.2 billion yen, Toshiba: 99.1 billion yen), with the Japanese government providing a maximum subsidy of 129.4 billion yen for this investment. In this collaboration, Toshiba will entrust most of the SiC power semiconductor production to ROHM, while ROHM will rely on Toshiba for Si-based power semiconductor production. The former aims to increase power semiconductor production capacity to 2.5 times that of 2021 by 2024, while the latter hopes to raise SiC power semiconductor production to 6.5 times that of 2021 by 2025.
According to data from UK research firm Omdia, Germany's Infineon leads the global power semiconductor market share at 21.4%, followed by ON Semiconductor from the US at 10.1% and STMicroelectronics from Switzerland at 8.5%. Among Japanese manufacturers, Mitsubishi Electric leads at 5.2%, ranking fourth, followed by Fuji Electric at 4.7% in fifth place. Toshiba and ROHM hold 3.7% and 3.2% respectively, ranking seventh and ninth. In the current global semiconductor market dominated by European and American manufacturers, Japan is making concerted efforts to catch up and overturn the situation where Japanese manufacturers are numerous but have lower market shares. The collaboration between ROHM and Toshiba could be a pivotal opportunity for Japanese manufacturers to revitalize their position in the industry.
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