| RP Toho Plastics Co., Ltd. |
IHI Corporation |
Aisin Corporation |
| Achilles Corporation |
Asahi Kasei Corporation |
Asahi Organic Materials Industry Co., Ltd. |
| Alps Alpine Co., Ltd. |
Aron Kasei Co., Ltd. |
Ichikoh Industries, Ltd. |
| Idemitsu Kosan Co., Ltd. |
SMC Corporation |
ENEOS NUC Co., Ltd. |
| FP Corporation |
Okura Industry Co., Ltd. |
Otsuka Pharmaceutical Co., Ltd. |
| Otsuka Techno Co., Ltd. |
Olympus Corporation |
Kao Corporation |
| Kaneka Corporation |
Canon Inc |
Kyocera Corporation |
| Kubota Chemix Co., Ltd. |
Kuraray Co., Ltd. |
KEIWA Incorporated |
| Koito Manufacturing Co., Ltd. |
Kobe Steel, Ltd. |
Konica Minolta, Inc. |
| Sanko Co., Ltd. |
CKD Co., Ltd. |
シード株式会社 |
| JVC KENWOOD Corporation |
Shin-Etsu Polymer Co., Ltd. |
Suzuki Motor Corporation |
| Stanley Electric Co., Ltd. |
Subaru Corporation |
Sumitomo Chemical Co., Ltd. |
| Sumitomo Electric Industries, Ltd. |
Sekisui Chemical Co., Ltd. |
Sekisui Jushi Co., Ltd. |
| Sony Corporation |
Taika Kogyo Co., Ltd. |
DaikyoNishikawa Co., Ltd. |
| Dai Nippon Printing Co., Ltd. |
Daihatsu Motor Co., Ltd. |
Taiyo Yuden Co., Ltd. |
| Takiron C.I. Co., Ltd. |
Takeuchi Industry Co., Ltd. |
Takeda Pharmaceutical Company Limited |
| Chuo Kagaku Co., Ltd. |
DIC Corporation |
Teijin Limited |
| TDK Corporation |
Terumo Corporation |
Denka Co., Ltd. |
| Denso Corporation |
Tenma Co., Ltd. |
Tokai Rika Co., Ltd. |
| Toyo Cloth Co., Ltd. |
東洋鋼鈑株式会社 |
Toyo Seikan Co., Ltd. |
| Toyobo Co., Ltd. |
Toli Co., Ltd. |
Toray Industries, Inc. |
| TOPPAN Inc. |
Toyoda Gosei Co., Ltd. |
Toyota Motor Corporation |
| TOYOTA INDUSTRIES CORPORATION. |
Nanjo Equipment Industry Co., Ltd. |
Nikon Corporation |
| Nissan Motor Co., Ltd |
NIDEC CORPORATION |
Nipro Corporation |
| J.S.T. Mfg. Co., Ltd. |
Japan Aviation Electronics Industry, Ltd. |
NIPPON STEEL CORPORATION |
| ZEON CORPORATION |
House Foods Co., Ltd. |
Panasonic Corporation |
| Bando Chemical Co., Ltd. |
Hitachi, Ltd. |
広化東リフロア株式会社 |
| Hiroshima Kasei Co., Ltd. |
Fukusuke Industry Co., Ltd. |
FUJIFILM Corporation |
| Bridgestone Corporation |
Furukawa Electric Co., Ltd. |
Hokkai Can Co., Ltd. |
| HOYA Corporation |
Polyplastics Co., Ltd. |
Honda motor industry stock company |
| Maezawa Chemical Industry Co., Ltd. |
Maxell, Ltd. |
Mazda Corporation Inc |
| Mitsui Chemicals, Inc. |
Mitsubishi Chemical Corporation |
Mitsubishi Motors Corporation |
| Mitsubishi Electric Corporation |
Mitsuboshi Belting Co., Ltd. |
Moonstar Co., Ltd. |
| Meiji Co., Ltd. |
Morinaga & Co., Ltd. |
Yamaso Co., Ltd. |
| Yamaha Corporation |
Yamaha Motor Co., Ltd. |
Unitika Ltd. |
| Yoshino Industry Co., Ltd. |
LIXIL Corporation |
Ricoh Company, Ltd |
| Resonac Corporation |
Lotte Co., Ltd. |
