April 1981 Electronic Development Center established October 1983 Name changed to Electronic Devices Office February 1984 Production of CMOS process began October 1984 Sales in the U.S. began May 1985 Production of 6-inch......April 1981 Electronic Development Center established October 1983 Name changed to Electronic Devices Office February 1984 Production of CMOS process began October 1984 Sales in the U.S. began May 1985 Production of 6-inch expandable line began July 1987 Tokyo Development Center established April 1989 Yashiro Plant established December 1992 Received ISO 9001 certification June 1994 Yashiro Plan FAB2 began April 1997 Yashiro Plant 8-inch line production began June 1997 Received ISO 14001 certification October 1998 Imaging System LSI Development Center opened October 2000 Company system introduced and commenced operations as the Electronic Devices Company December 2004 Received ISMS certification April 2006 A local subsidiary, Ricoh Electronic Devices Korea Co., Ltd. in Korea established July 2006 A local subsidiary, Ricoh Electronic Devices Shanghai Co., Ltd. in Peoples Republic of China established January 2007 Ricoh Company Ltd. Electronic Devices Company Taipei Office opened