---Jun.1934

Founding president, Shiro Yamamoto,
established Yamamoto Press Industry in Azabu, Minato-ward Tokyo.
This is taken as the foundation year of Yamamoto Electric Corporation.


---May.1945
Moved to Sukagawa-city, Fukushima-prefecture, due to the war.

Jan.1951---
Founding president Shiro Yamamoto's elder brother,
Tokuji Yamamoto, founded SAN-EI Electric Trading Co.,Ltd.
This is taken as the foundation year of
Yamamoto Electric Trading Co.,Ltd.
---Apr.1952
Company became a public corporation and
name changed to Yamamoto Electric Industry Co.,Ltd.

---Jan.1965
Headquarters moved to Uwano plant
in order to strengthen the management structure.
Aug.1969---
Family Denki Seisakusho Co.,Ltd.
established in Asahimachi, Sukagawa-city
.
---Aug.1972
Machinery plant,
Oshioe plant of Yamamoto Electric Industry Co.,Ltd.,
newly constructed in Shioda, Sukagawa-city.
Dec.1972---
Yamamoto Denko Co.,Ltd.,
established in Yokoyama-machi, Sukagawa-city.

May.1973---
Headquarters of Yamamoto Electric Trading Co.,Ltd.,
moved to Togoshi, Shinagawa-ward, Tokyo
.
Sep.1979---
Taiwan Yamamoto Electric Industrial Co.,Ltd.,
established in Taiwan

.
---Dec.1985
Company name changed to
Yamamoto Electric Corporation with the introduction of CI.
Expanded construction of the Oshioe plant to enrich
a commercial production framework.
Oct.1994---
Shanghai Yamamoto Electric Co.,Ltd.,
established in Shanghai, China.

May.1997---
ISO9002 certification was registered for
Taiwan Yamamoto Electric Industrial Co.,Ltd.
.
Sep.1997---
Acquisition of ISO9001 certification.

Jul.1999---
ISO9002 certification was registered for
Shanghai Yamamoto Electric Co.,Ltd.

---Sep.1997
Nov.1999
Yamamoto Electric Corporation and
Yamamoto Electric Trading Co.,Ltd.,
merged to from Yamamoto Electric Corporation.
Nov.2000---
ISO9001 certification was registered for
Yamamoto Denko Co.,Ltd.
---Feb.2002
Tokyo office moved from Togoshi,
Shinagawa-ward, Tokyo.

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