JASM (TSMC Kumamoto)
Japan Advanced Semiconductor Manufacturing (JASM) is TSMC's majority-owned fab company in Kikuyo, Kumamoto, with Sony Semiconductor Solutions, Denso and Toyota as minority shareholders. Its first fab has produced chips since December 2024.
ジャパン・アドバンスド・セミコンダクター・マニュファクチャリング・Chipmakers・Last updated: October 22, 2026
Overview
JASM was established in 2021, started construction in April 2022 and held its opening ceremony in February 2024. The first fab produces 12-inch wafers on 12/16 nm FinFET and 22/28 nm processes, with a monthly capacity of 55,000 wafers. Its main products are chips for image sensors and automotive applications.
In February 2024, TSMC and the minority shareholders announced investment in a second fab at the same site, and the Japanese government announced support for the expansion.
Business: Foundry fab operated by a TSMC-majority joint venture
Why it matters
Main products
- •Foundry wafers on 12/16 nm FinFET and 22/28 nm processes
Sites in Japan
Kikuyo, Kumamoto
Fabs operated
- JASM Fab 1 (Kikuyo, Kumamoto): Foundry logic on 12/16 nm FinFET and 22/28 nm processes