Kyushu Semiconductor Region

Overview

Around them are power semiconductor fabs from Mitsubishi Electric and ROHM's LAPIS Semiconductor, Renesas's Kawashiri fab, SUMCO's silicon wafer plants in Saga and Nagasaki, and equipment and materials sites from Tokyo Electron, Ebara and TOK.

Closer look: Kumamoto

Fabs

• JASM Fab 1 Kikuyo, Kumamoto
  JASM (TSMC majority-owned) · Foundry logic on 12/16 nm FinFET and 22/28 nm processes

  In production since December 2024; 55,000 12-inch wafers per month.

• Kumamoto Technology Center Kikuyo, Kumamoto
  Sony Semiconductor Manufacturing · CMOS image sensors
• Nagasaki Technology Center Nagasaki
  Sony Semiconductor Manufacturing · CMOS image sensors
• Oita Technology Center Oita
  Sony Semiconductor Manufacturing · Image sensors
• Kawashiri Factory Kumamoto, Kumamoto
  Renesas Electronics · Front-end wafer fab
• Koshi Factory Koshi, Kumamoto
  Mitsubishi Electric · Power semiconductors
• Miyazaki No. 2 Plant Kunitomi, Miyazaki
  LAPIS Semiconductor (ROHM Group) · SiC power semiconductors

  A former solar-panel plant converted into ROHM's main SiC production site, operating from 2024.

• ROHM Apollo Chikugo Plant Chikugo, Fukuoka
  ROHM Apollo (ROHM Group) · SiC power devices

  A new SiC production building began operating in fiscal 2022 on 6-inch wafers, with equipment prepared for 8-inch.

Equipment, materials and other company sites

• Tokyo Electron (TEL): Koshi site (Koshi, Kumamoto)
  Coat/develop, etch and deposition equipment
• Ebara: Kumamoto plant (Kumamoto)
  CMP systems, dry vacuum pumps and exhaust treatment
• SUMCO: Imari plants (Imari, Saga)
  Silicon wafers
• SUMCO: Saga plant (Kohoku, Saga)
  Silicon wafers
• SUMCO: Nagasaki plant (Omura, Nagasaki)
  Silicon wafers
• Tokyo Ohka Kogyo (TOK): Aso plant (Aso, Kumamoto)
  Photoresists and high-purity process chemicals
• JASM (TSMC Kumamoto): Fab 1 (Kikuyo, Kumamoto)
  Foundry fab operated by a TSMC-majority joint venture
• Renesas Electronics: Kawashiri factory (Kumamoto)
  Microcontrollers, automotive SoCs, analog and power chips
• Sony Semiconductor Solutions: Kumamoto Technology Center (Kikuyo, Kumamoto)
  CMOS image sensors
• Sony Semiconductor Solutions: Nagasaki Technology Center (Nagasaki)
  CMOS image sensors
• Sony Semiconductor Solutions: Oita Technology Center (Oita)
  CMOS image sensors
• Fujifilm (semiconductor materials): FFMT Kyushu (Kumamoto site) (Kikuyo, Kumamoto)
  Photoresists, CMP slurries and process chemicals
• ROHM: ROHM Apollo Chikugo plant (Chikugo, Fukuoka)
  SiC and silicon power devices, analog ICs
• ROHM: LAPIS Semiconductor Miyazaki No. 2 plant (Kunitomi, Miyazaki)
  SiC and silicon power devices, analog ICs
• Mitsubishi Electric (power devices): Power Device Works (Fukuoka, Fukuoka)
  IGBT and SiC power modules, RF and optical devices
• Mitsubishi Electric (power devices): Koshi factory (Koshi, Kumamoto)
  IGBT and SiC power modules, RF and optical devices

Sources

1. TSMC: TSMC Celebrates the Opening of JASM in Kumamoto, Japan
2. Wikipedia: Japan Advanced Semiconductor Manufacturing
3. Wikipedia (Japanese): Sony Semiconductor Manufacturing
4. Wikipedia (Japanese): Renesas Electronics
5. Wikipedia (Japanese): Mitsubishi Electric
6. Wikipedia (Japanese): LAPIS Semiconductor
7. ROHM Group Integrated Report 2023 (PDF)
8. Tokyo Electron official website
9. Ebara official website
10. SUMCO official website
11. TOK official website
12. Renesas: corporate profile
13. Wikipedia: Sony Semiconductor Solutions
14. Fujifilm: CMP slurry production facility in Kumamoto begins full-scale operation (Jan 25, 2024)
15. ROHM corporate profile (PDF)
16. Mitsubishi Electric: new 8-inch SiC wafer plant (Mar 14, 2023, PDF)

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