# Mitsubishi Electric Corp, Toshiba Corp and Rohm Co said Friday they have agreed under a memorandum of understanding to begin talks on merging their power semiconductor businesses.

*semiconductor · news · 2026-03-27 · Japan Today*

## Key points

- Mitsubishi Electric, Toshiba, and Rohm have begun talks to merge their power semiconductor businesses.
- The integration aims to counter potential takeover attempts by Denso Corp., which bought 5% of Rohm.
- The three firms' combined global power semiconductor market share is now 11%, ranking second to Infineon.
- Rohm expects the merger to expand product lines, accelerate new product development, and reduce factory costs.
- The Japanese government is supporting this move to boost domestic chip industry competitiveness amid rising Chinese dominance.

**Companies:** Mitsubishi Electric Corp, Toshiba Corp, Rohm Co
**Countries:** Japan

[Read the full story on Japan Today](https://japantoday.com/category/business/m'bishi-electric-toshiba-rohm-sign-accord-on-chip-business-merger-talks)

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