Established in Tendo City, Yamagata Prefecture (Japan) as a speaker manufacturing plant through the capital contribution of Pioneer Corporation.
Begins car stereo production for Pioneer Corporation.
Builds a press factory for parts production.
Constructs Yonezawa Plant to launch labor-saving speaker assembly operations.
Begins factory automation (FA) systems production and marketing.
Obtains N.I.V. (no inspection validation) from General Motors, U.S.A.
Enters North American market. (Establishes a U.S. sales subsidiary)
Begins electronic accessory business.
Launches production at the manufacturing subsidiary in Mexico.
Obtains ISO 9001 certification for Tendo Plant and ISO 9002 certification for Yonezawa Plant.
Launches production at the manufacturing subsidiaries in Thailand and China.
Establishes a subsidiary in Hong Kong to procure parts and materials from Asian suppliers.
Succeeds in the world's first mass production of OLED displays.
Obtains QS-9000 certification for HQs, Tendo Plant, Yonezawa Plant and manufacturing subsidiaries.
Builds FA Management Office and Precision Molding Center.
Begins mass production of OLED displays for car stereos.
Obtains ISO 14001 certification for HQs, Tendo Plant and Yonezawa Plant.
Listed on the Second Section of Tokyo Stock Exchange.
Starts supplying OLED displays for Motorola mobile phones.
Accepts the transfer of optical disc production system business from Pioneer Video Corporation.
Obtains ISO/TS 16949 certification for quality management systems.
Builds an annex to FA facilities in Tendo, Japan.
Establishes new FA office and facilities in Shanghai, China.
Establishes a manufacturing subsidiary in Vietnam.
Delisted from the Second Section of Tokyo Stock Exchange due to TOB by Pioneer Corporation.
Tohoku Pioneer EG Corporation is newly launched for FA business.
Mogami Denki Corporation, one of the affiliates, establishes a manufacturing subsidiary in Vietnam.
Establishes a manufacturing subsidiary (TPMX) in Mexico.
Transfers all stocks of Tohoku Pioneer EG Corporation to DENSO Corporation.
Transfers all stocks of Piotech Corporation to NIPRO Corporation.
Spins off Yonezawa Plant (OLED and ODM/EMS business base).
Obtains ISO 45001 certification.