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Mar.1973 Established as Isahaya Electronics Industry Co., Ltd..
in Kaizu, Isahaya City, Nagasaki Pref..
Aug.1973 Commenced production of SS-Transistors. (Monthly Production: 4,000,000 units)
Apr.1979 Commenced IC chip visual inspection and production of Hybrid ICs.
Jul.1985 Established IDC Co., Ltd. as an engineering Company of
Isahaya Electronics Industry Co., Ltd..
Oct.1986 Hybrid ICs Production transferred from Mitsubishi Electric Corp. to IDC.
Mar.1991 Built staff dormitory "Houshikan" in Isahaya.
Apr.1991 Merged with IDC Co., Ltd. and changed the name to Isahaya Electronics Corporation.
Jul.1991 Built training center (Arcadia. Obama), currently Obama training center.
Jul.1995 Consigned production of Hybrid ICs commenced in China.
Oct.1995 SS-Transistors production transferred from Mitsubishi Electric Corp. to IDC.
Apr.1996 Consigned production of SS-Transistors commenced in Philippines.
Dec.1996 ISO9001 certification acquired. (SS-Transistors, Hybrid ICs)
Mar.1998 Set up production lines of SS-Transistors.
(Monthly Production Capability: 100,000,000 units)
Mar.2000 Built "Head Office". (Tsukuba)
Mar.2001 ISO14001 certification acquired.
Nov.2002 Established Overseas Sales Office,
ISAHAYA ELECTRONICS SALES ASIA LIMITED. (IESA)
Apr.2003 Established Overseas Sales Office,
ISAHAYA ELECTRONICS SALES ASIA LIMITED SINGAPORE REPRESENTATIVE OFFICE. (IESG)

Commenced the independent business of Hybrid ICs, SS-Transistors.
Oct.2003 Established Overseas Sales Office,
ISAHAYA ELECTRONICS SALES U.S.A.,INC.. (IESU)
Established Overseas Production Facilities,
IDC PHILIPPINES ELECTRONIC CORPORATION. (IPEC)
Nov.2004 Established Overseas Production Facilities,
ISAHAYA ELECTRONICS TECHNOLOGY (SHENZHEN) CO.,LTD..(IDC-C)
IESG Incorporated Under
ISAHAYA ELECTRONICS SALES SINGAPORE PTE. LTD.. (IESS)
Mar.2005 Built "Tsukuba Laboratory".
Nov.2006 Received the 54th Governor's prize of Nagasaki Prefectural. (Hybrid ICs)
Nov.2008 Received the 56th Governor's prize of Nagasaki Prefectural. (Hybrid ICs)
Sep.2009 Concluded Industry-university cooperation with Nagasaki University.
Nov.2009 Received the 57th Governor's prize of Nagasaki Prefectural. (SS-Trasistors)
Nov.2012 Received the 60th Governor's prize of Nagasaki Prefectural. (Hybrid ICs)
Sep.2013 Received the 5th Director's prize of Kyusyu Bureau of Economy,Trade and Industry. (Hybrid ICs)