JapanRìběn日本three majorsān dà三大semiconductorbàndǎotǐ半导体companies / enterprisesqǐyè企业to signqiānshǔ签署memorandum of understandingyìxiàngshū意向书，plans to / intends tonǐ拟to integrate / to consolidatezhěnghé整合power (electrical)gōnglǜ功率chip / semiconductorxīnpiàn芯片business / operationsyèwù业务。
March 28, 2026 at 12:00 PM
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Science & TechnologyROHM, Toshiba and Mitsubishi Electric Sign MOU to Merge Power Semiconductor Units
ROHM, Toshiba and Mitsubishi Electric have signed a memorandum of understanding to formally begin talks on merging their power semiconductor businesses, a combination that could create the second-largest power chip supplier in the world.
According to Nikkei Asia, ROHM, Toshiba, and Mitsubishi Electric have signed a memorandum of understanding to formally launch three-party power semiconductor business integration negotiations.
After the merger, the combined entity is projected to capture approximately 10-11% of the global power semiconductor market share, becoming the world's second-largest supplier, second only to Germany's Infineon Technologies.
The consolidation is driven by each party's differentiated technological advantages: ROHM excels at automotive silicon carbide semiconductors, Toshiba possesses extensive industrial customer networks, and Mitsubishi Electric specializes in high-voltage industrial equipment sectors.
Notably, the negotiation backdrop is that Japan's automotive parts company Denso is bidding for ROHM at approximately $8.3 billion, and the three-party consolidation may provide the latter an important strategic alternative.
Currently, the three parties have not yet reached final decisions on specific transaction structures and continue conducting thorough financial and legal evaluations.
Power semiconductors are core components for electric vehicles, renewable energy, and industrial automation. This consolidation is regarded by the industry as a strategic move for Japan to reshape its global competitiveness.
Given the accelerating decentralization trend in global supply chains, analysts believe three-party consolidation will help Japanese enterprises resist competitive pressure from counterparts in China and Europe and America.
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