Rapidus

A foundry founded in 2022 to bring leading-edge logic manufacturing back to Japan. It is building a 2 nm fab, IIM-1, in Chitose, Hokkaido, with technology developed together with IBM, and targets mass production in 2027.

Rapidus・Chipmakers・Last updated: October 15, 2026

Overview

Rapidus was founded in August 2022 with investment from eight Japanese companies, including Toyota, Sony, NTT, NEC, SoftBank, Denso, Kioxia and MUFG Bank, and receives substantial support from the Japanese government. It is headquartered in Chiyoda, Tokyo.

Its first fab, IIM-1 in Chitose, started a pilot line in 2025. Engineers were trained at IBM's research facilities in the United States as part of the 2 nm technology partnership.

Business: Leading-edge logic foundry (2 nm, in development)

Why it matters

Rapidus is Japan's attempt to re-enter leading-edge logic, which it had left for more than a decade.

The Chitose fab is drawing suppliers to Hokkaido, a new semiconductor region alongside Kyushu and Tohoku.

Main products

•2 nm logic foundry services (in development)
•Pilot line in Chitose, Hokkaido

Sites in Japan

Head officeHeadquarters

Chiyoda, Tokyo

IIM-1Plant

Chitose, Hokkaido

Other Japanese companies: Chipmakers

KioxiaJapanNAND flash memory and SSDs

Sources

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