Corporate Data
August1939
Jiro and Saburo Yanagisawa established Yanagisawa Organic Chemical Industry in Tokyo
April1946
Yanagisawa purchased Towa Kagaku Industry Co., Ltd. (established in 1924) as a sales subsidiary and changed the company name to Nihon Kagaku Sangyo Co., Ltd.
January1948
Yanagisawa Organic Chemical Industry merged into Nihon Kagaku Sangyo Co., Ltd.
July1951
Began manufacturing chemicals for printing ink, drying agents for paints and catalysts for organic synthesis
June1952
Established Osaka Branch, the Company's first expansion into western Japan
December1956
Established Nagoya Sales Office
October1960
Built factory in Soka, Saitama (Saitama Piant)
October1961
Shares listed on the Tokyo Stock Exchange, Second Section
July1963
Increased capital to ¥300 million; began molding and surface treatment of aluminum spandrel at Saitama Plant
October1963
Nagoya, Sales Office became Nagoya Branch; sales offices increased in the Chukyo and Tokai areas
January1967
Built Aoyagi Plant for aluminum molding in Soka, Saitama
July1968
Increased capital to ¥450 million; construction of new head office and factories
June1970
Rebuilt Aoyagi Plant for production of shutters
December1970
Increased capital to ¥700 million; rise in production of shutters
December1977
Built factory in Hironomachi, Fukushima (Fukushima Plant)
April1980
Increased capital to ¥940 million
April1981
Increased capital to ¥1,034 million
March1991
Built factory in Otonemachi, Saitama (Otone Plant)
August1998
Chemicals Production Division acquired ISO 9002 covering all its products
April1999
Thai subsidiary NEXAS ELECHEMIC Co., Ltd. established
October1999
Capital investment in Philippine company Pacific Rare Metal Industries, Inc.
October1999
Building Materials Division acquired ISO 9002 certification for its housing materials
May2000
Saitama, Otone and Fukushima plants acquired ISO 14001 certification
June2000
Thai subsidiary SIAM NKS Co., Ltd. established
November2000
Building Materials Division acquired ISO 9001 certification
November2001
Aoyagi plant acquired ISO 14000 certification
January2002
Capital investment in Pacific Rare Speciaity Metals and Chemicals, Inc., an affiliated company in the Philippines
December2004
Obtained IS09001 certification for Chemicals BusinessDivision's General R & D Laboratory
March2011
Built factory in Narahamachi, Futabagun, Fukushima(Fukushima Plant No.2)
December2014
Hanoi representative office was established in Vietnam.
Head Office:
20-5 Shitaya 2-chome,Tito-ku,Tokyo,Japan
TEL.+81-3-3876-3135 FAX.+81-3-3876-3278