- Asahi Glass Co.,Ltd.
- CASIO Computer Co.,Ltd.
- Central Research Institute of Electric Power Industry
- Dai Nippon Printing Co.,Ltd.
- Ebara Corporation
- Eudyna Devices Inc.
- Fujikura ,Ltd.
- Fuji Photo Film Co.,Ltd.
- Fujitsu ,Ltd.
- Furukawa Electric Co.,Ltd.
- Japan Tabacco Inc.
- HITACHI ,Ltd.
- Hitachi Cable ,Ltd.
- Kawasaki Heavy Industries ,Ltd.
- KOBE Steel ,Ltd.
- KONICA MINOLTA
- Mitsubishi Chemical Corporation
- Nippon Telegraph and Telephone Corporation
- OKI Electric Industry Co.,Ltd.
- Pioneer Electronic Corporation
- Shin-Etsu Chemical Co.,Ltd.
- Showa Denko Corporation
- Showa Electric Wire & Cable Co.,Ltd.
- SONY Corporation
- Spansion Japan ,Ltd.
- Stanley Electric Co.,Ltd.
- SUMCO Corporation
- Sumitomo Chemical Co.,Ltd.
- Sumitomo Electric Industries ,Ltd.
- Taiyo Nippon Sanso Corporation
- Tokyo Electron ,Ltd.
- Tokyo Gas Co.,Ltd.
- Toshiba Corporation
- Toshiba International Fuel Cells Corporation
- TOPPAN Printing Co.,Ltd.
- Victor Company of Japan ,Ltd.
- Others
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