20250818 Rohm and Toshiba

Japan's Toshiba and Rohm have been exploring collaboration in the power chip segment as Chinese competition rises. (Nikkei montage/Source photos by Yoshiyuki Tamai, Hiromasa Matsuura and Toshiki Sasazu) 

Japan's fragmented power chip industry struggles to meet China's challenge

Workhorse chips control current flow in power grids and EVs, but rivals catching up

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