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June 1972
|
Established at Ota-ku Tokyo, capitalizes at 5million yen. |
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July 1972
|
Komoro Plant was newly established in Komoro city, Nagano pref. |
|
|
Midorigaoka plant was newly established for business expanding in Komoro.
We began to produce Antenna terminal assembly |
|
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We began to produce transformers and coils for switching power supply. |
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July 1987
|
Increased the capital to 60 million yen. We had a temporary representative
office in Thailand and prepared to come over to East Asia |
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August 1987
|
Aomori Plant was newly established in Mutsu City, Aomori Pref. |
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December 1989
|
EIWA Thailand Co., Ltd. (Bangkadi Plant) was established in Thailand as
an overseas subsidiary. |
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January 1991
|
EIWA Thailand Bangkadi Plant started producing SW transformer/ winding
coil for HDD spindle motor. |
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May 1991
|
Ohata Plant was newly established in Ohata mach, Aomori, and started producing
SW power supply |
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August 1993
|
Increased the capital to 261.2 million yen. |
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January 1995
|
January 1995 EIWA HongKong Co., Ltd. was established in HongKong as an
overseas subsidiary, and started producing SW transformer (EMS). |
|
January 1995
|
EIWA Thailand Bangkadi Plant started producing SW inverter power supply. |
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June 1996
|
Head office was newly built in Kami-ikedai, Ota-ku, Tokyo. |
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December 1997
|
EIWA Pinghu Plant was established in Shenzhen city Guang Dong, China as
an overseas subsidiary, and started producing SW transformer. |
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December 1997
|
Thailand Bangkadi Plant started producing stick coil. |
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August 1998
|
Thailand Bangkadi Plant acquired ISO 9001 certification. |
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February 2001
|
Aomori Plant acquired ISO 9001 certification. |
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May 2002
|
EIWA Pinghu Plant started processing and assembling DVC chip. |
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August 2002
|
Thailand Bangkadi Plant acquired ISO 14001 certification. |
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September 2002
|
Thailand Bangkadi Plant acquired TUV standard. |
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August 2003
|
EIWA Pinghu Plant acquired ISO 9001 certification and "SONY green
partner". |
| May 2006 |
Thailand Bangkadi Plant acquired TS 16949 certification. |
| August 2006 |
EIWA Pinghu Plant acquired ISO 14001 certification. |
| August 2006 |
Bangpa-In Plant of EIWA Thailand Co.,LTD. was newly established in Shenzhen
City Guangdong, China. |
| October 2008 |
Became a subsidiary of Sumida Power Electronics Co., LTD.
(A Member of Sumida Group) |
| January 2009 |
Head office moved to current Asahi Building in Tokyo. |
| January 2010 |
Eiwa merged into Sumida Electric Co.,Ltd. |
