Asahi Diamond Industrial Co.,Ltd. , SMC Corporation ,
EBARA Corporation , OSG Corporation , KOMATSU Ltd. ,
Sanden Corporation , ShinMaywa Industries,Ltd. , Tungaloy Corporation , Tsubakimoto Chain Co. , Teikoku
Piston Ring Co.,Ltd. , NSK Ltd. , Nabtesco Corporation ,
Nippon Piston Ring Co.,Ltd. , Brother Industries,Ltd. , Hitachi
Tool Engineering,Ltd. , Mitsubishi Heavy Industries,Ltd. ,
Minebea Co.,Ltd. , Riken Corporation , Ricoh Company,Ltd.
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Akita Shindengen Co.,Ltd. ,Asahi Kasei Electronics Co.,Ltd.,
Alps Electric Co.,Ltd. , Omron Corporation , Kyocera Corporation , Konika Minolta HD Co.,Ltd. , Sanken Electric
Co.,Ltd. , Sanyo Electric Co.,Ltd. , Geomatec Co.,Ltd. , Sharp Corporation , Seiko Epson Corporation , Sony Corporation , Taiyo Yuden Co.,Ltd. , TDK Corporation , Toshiba Corporation , Nippon Tungsten Co.,Ltd. , NEC Corporation , Nidec-Read Group , Pioneer Corporation , Panasonic Electronic Devices Co.,Ltd. , Hitachi,Ltd. , Fuji Xerox Co.,Ltd. , Fujitsu Corporation , Fujitsu Hitachi Plasma Display Limited , Fuji Electric Group , Matsushita Electric Industrial Co.,Ltd. , Mitsubishi Electric Corporation , Mitsumi ElectricCo.,Ltd. , Murata Manufacturing Co.,Ltd. , ROHM Group
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