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March 1946 Founding of Mitsuba Electric Mfg. Co., Ltd. in Kiryu , Gunma Prefecture.
June 1946 Start of sale of generator lamps for bicycles.
June 1951 Start of production/sale of auto horns.
Start of auto related operations.
January 1970 Establishment of Ryomo Computing Center Co., Ltd.
(Name changed in July1982 to Ryomo Systems Co., Ltd.)
July 1976 Completion of Niisato Plant. Start of operations.
June 1977 Introduction of shares to Tokyo Over-the-Counter Market.
July 1987 Establishment of CME Corporation in
Mt. Pleasant, Michigan.
February 1988 Listing of shares on the Second Section of the Tokyo Stock Exchange.
June 1989 Completion of testing center in Niisato.
September 1989 Designated change to the First Section of the Tokyo Stock Exchange.
May 1993 Announcement of Mitsuba Environmental Declaration and Directions for Action.
December 1993 Achieved goal of totally eliminating use of harmful fluorocarbons.
May 1995 Successfully achieves goal of totally eliminating use of trichloroethane.
July 1996 Implementation of CI.
October 1996 Change of name to Mitsuba Corporation.
September 1997 Release of New Mitsuba Environmental Declaration and Directions for Action.
October 2001 Concentrated R&D departments in Kiryu region.
Established the Mitsuba R&D Center.
April 2002 Acquired business operations of automotive mirrors and lamps from Oshima Electric Works Co., Ltd., a Mitsuba-affiliated company.
December 2002 Signend an agreement of business and capital alliance with Jidosha Denki Kogyo Co., Ltd.
August 2003 Issued Environmental Report.
August 2004 Jidosha Denki Kogyo Co., Ltd. became a wholly owned subsidiary through an exchange of stock.
April 2005 The automotive component and accessories operations underwent a spin-off into a separate company through corporate separation.
December 2006 Established The MITSUBA WAY.
April 2007 Merged with Jidosha Denki Kogyo Co., Ltd.