Alpine Electronics, Inc. / ICHIKOH INDUSTRIES, LTD. / Science & Technical Research Laboratories(NHK STRL)/ Orion Electric Co., Ltd. / Clarion Co., Ltd. / Ktechnology Corporation / Sanritsu Chemicals Co. Ltd. / Sharp Corporation / JANOME SEWING MACHINE CO.,LTD. / SUMITRONICS CORPORATION / SEIKO EPSON CORPORATION / Taito Corporation / Takahata Electronics Corporation / Takekawa electronics / Teraoka Seiko Co., Ltd. / TEIKOKU TSUSHIN KOGYO CO., LTD. / TKR CORPORATION / D&M Holdings Inc. / TOKYO RADAR CORPORATION / TOSHIBA CORPORATION / Tohoku Pioneer Corporation / Towada Audio Corporation / Namiki Precision Jewel Co., Ltd. / NOMURA Co.,Ltd. / BANDAI NAMCO Entertainment Inc. / PIONEER CORPORATION / PIONEER DJ / Onkyo & Pioneer Corporation / Bio Silver / bio sync / Foster Electric Company, Limited / FUJITSU GENERAL LIMITED / Fujifilm Corporation / Mitsubishi Electric Corporation / MITSUI & CO., LTD / Mitsubishi Electric Home Appliance Co., / etc
Sharp Corporation/ Ktechnology Corporation/ Takahata Electronics Corporation/ Pionner VC Corporation / Takaha Kiko Co.,Ltd. / SUGIYAMA-GEN Co., Ltd. / Nissen Co.Ltd. / Nihon Visual Science, Inc. / KeenusDesign Corp. / ACRONAINEN / RF Products / Oki Electric Industry Co., Ltd. / IKEN Engineering Co.,Ltd. / Kohyei Trading Co.,Ltd.( Zippertubing (Japan),Ltd.)/ Namiki Precision Jewel Co., Ltd. / Koha Co., Ltd. / SHINTAKE SANGYO Co.,Ltd / SANYO Techno Solutions Tottori Co., Ltd. / Mag. Layers Scientific Technics Co,.Ltd. / DAIN(INTERNATIONAL)CO.,LTD. / Han Touch Company / KINGMAX Semiconductor Inc. / DFI Inc. / DPT GROUP / UNIVERSAL MICROELECTRONICS CO.,LTD. / IANGSU HUAFENG ELECTRONICS CO.,LTD. / Hangzhou Xinxing Optical Electronics Co.,Ltd. / DEXATEK Technology Ltd. / etc