ABOUT US

Company History  

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Soon after foundation,   Takeshiro Izumiya
《Around 1955》
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Company recreation trip
《Around 1960》
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Completed Saitama Plant
《Around 1965》
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Completed Saitama Plant
《Around 1965》
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Soma Plant,
in process of construction
《1980》
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Soma Plant,
Completion ceremony
《1980》
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Press conference to announce Construction of Fukui Plant
《1987》
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Fukui Plant,
In process of construction
《1988》
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50th Anniversary
of the Foundation
《2001》
1951 Takeshiro Izumiya established former company, Mitsuboshi Chemical Institute.
1953 Mitsuboshi Chemical Co.,Ltd. was established with capital of JP yen 300,000.
1954 Increased the capital to JP yen 900,000.

1956 Transferred Head office and Plant to Funado, Itabashi-Ku, Tokyo.
1957 Increased the capital to JP yen 3 million.

1961 Increased the capital to JP yen 6 million.

1963 Increased the capital to JP yen 10 million.

1964 Completed Saitama Plant in Koshigaya city, Saitama.

1970 Transferred Head office to new location at Funado, Itabashi-ku, Tokyo.
Transferred plant functions to Saitama Plant.
1972 Increased the capital to JP yen 20 million.

1974 Increased the capital to JP yen 30 million.

1976 Increased the capital to JP yen 60 million.

1980 Completed Soma Plant in Soma city, Fukushima.

1983 Number of employees exceeded a hundred.

1985 Consructed Head Office building in Takashimadaira, Itabashi-ku, Tokyo.
Harumi Izumiya was inaugurated as President.
Takeshiro Izumiya was inaugurated as Chairman.
1988 Established employee domitories at Saitama Plant.
Completed Fukui Plant in Fukui city, Fukui.
1989 Increased the capital to JP yen 90 million.

1994 Fukui Plant accredited to ISO 9001(JCQA-0022).
Recognized as a commendable corporation by tax office.
1996

Soma Plant accredited to ISO 9001(JCQA-0114).

1997 Takehiko Izumiya was inaugurated as President.
Number of employees exceeded two hundreds.
1999 Recognized again as a commendable corporation by tax office.

2001 Saitama Plant accredited to ISO 9001(JCQA-0868).

2002 Awarded a Director-General's prize by Agency for Natural Resources & Energy, METI.
2004 Recognized again as a commendable corporation by tax office.

2005 Awarded a Director-General's prize by Fire Defense Agency.

2008 Established employee domitories at Soma Plant.

2009 Recognized again as a commendable corporation by tax office.

2011 Soma plant restarted operation in one month after suffering damage from the Great East Japan Earthquake  and Tsunami on March 11.

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