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| Aug. 1926 |
Established at Ogu, Arakawa-ku, Tokyo by Mr. Hajime Bekki |
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| Dec. 1934 |
Moved to Odai, Adachi-ku, Tokyo |
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| Jun. 1954 |
Designated as a factory who can indicate JIS code to products
(JIS = Japanese Industrial Standards) |
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| Apr. 1974 |
Completion of Koyo-Sha Bldg. (current Tokyo business office) |
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| May 1981 |
Mr. Hiromu Bekki, the son of founder became Managing Director, President. |
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| Jan. 1990 |
Opened Shirakawa factory in Shirakawa-city, Fukushima |
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| Jun. 2000 |
Head office moved to Shirakawa-city, Fukushima |
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| May 2001 |
Mr. Toshihiko Yui became C.E.O. & President. |
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| Sep. 2001 |
Acquired The Certification of ISO 9001 |
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| Oct. 2002 |
Completed the full relocation of factory from Tokyo to Shirakawa. |
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| Apr. 2005 |
Opened Osaka Sales Office |
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| Oct. 2006 |
Acquired The Certification of ISO 14001 |
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| May 2009 |
Mr. Kazuo Yamazaki became C.E.O. & President. |
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| May. 2025 |
Mr. Katsuyuki Kondo became C.E.O. & President. |
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