Mar 1924Keizo Izawa founds Miyama Corporation in Shirokane Sanko-cho, Shiba-ku, Tokyo, and begins manufacturing radio parts
Mar 1933Utility model rights aquired, and many kinds of radio parts developed, such as chip jacks and vacuum tube sockets
Oct 1933Relocated the head office and plant to Ebara-ku, Tokyo, and established Miyama Manufacturing Co. Ltd.
Mar 1940Second plant established in Nishi-Togoshi, Ebara-ku, Tokyo
May 1944Designated as a wartime production plant by the Japanese Navy
Aug 1944Chichibu Plant established in Chichibu-cho, Saitama Prefecture
May 1945First and second plants hit by air raids
Jul 1945Company evacuated to Morioka City to prepare for construction of a new plant, but was forced to stop due to the defeat in the war
May 1948Company relocates to 56 Kamiikegami, Ota-ku, Tokyo and business resumed
Mar 1949Miyama Electric Co., Ltd. established with capital of 300,000 yen
Oct 1953Released a cushioning socket for GT pipe and a new product, the “Minomushi Clip” (practical proposal)
Oct 1960Constructed head office building at current location
Mar 1962Foreign exports begin. Capital reaches 3.5 million yen
Mar 1967Osaka office opened
Sep 1968UL Certification aquired
Dec 1969CSA Certification aquired
Dec 1973Magome Branch opened and production department relocated
Sep 1974Capital reaches 47.25 million yen
Sep 1976Keizo Izawa appointed Chairman of the Board. Ryo Izawa appointed President
Mar 1981Nagoya Sales Office opened
Jun 1982Kanda Sales Office opened
Jun 1984Capital reaches 94.5 million yen
Dec 1985Kisou Takase appointed as President
May 1986Tamagawa plant opened in Kariyado, Nakahara-ku, Kawasaki City
Oct 1988VDE Certification aquired
Sep 1996Soichiro Ueda appointed as President
Dec 1997Miyama Electric Co., Ltd. aquires ISO 9001 Certification
Aug 2000Hideki Matsuyama appointed as President
Nov 2002New Head Office building constructed
Sep 2003SHANGHAI XINSHAN MOULD MANUFACTURE CO., LTD. established
Jul 2004GUANGZHOU XINSHAN AUTO-PARTS CO., LTD. established
Oct 2004Miyama aquires ISO 14001 Certification
Oct 2007SIAM MIYAMA ELECTRIC CO., LTD. established
Aug 2013SIAM MIYAMA ELECTRIC CO., LTD. aquires ISO 9001 Certification
Nov 2013SHANGHAI XINSHAN MOULD MANUFACTURE CO., LTD. aquires TS16949 (now IATF16949) Certification
Mar 2014SHANGHAI XINSHAN MOULD MANUFACTURE CO., LTD. aquires ISO14001 Certification
Apr 2015SIAM MIYAMA ELECTRIC CO., LTD. aquires IATF16949 Certification
Mar 2021MIYAMA ELECTRIC INDIA PRIVATE LIMITED established
Sep 2021MIYAMA ELECTRIC INDIA PRIVATE LIMITED aquires ISO 9001 & ISO 14001 Certification
Aug 2023Hideki Matsuyama appointed Chairman of the Board. Fumio Yoshida appointed CEO