History

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Company history

 Company profile

1935 Established DAITOKYO TORYO CO., LTD.(President:Toyohide Inaba)in Kamata,Tokyo
and started production of varnish.
1943 Merged with KANSAI PAINT CO., LTD. due to the wartime consolidation policy.
1946 Established TOKYO TOKUSYU-DENSEN TORYO LABORATORY in Sakai,Edogawa-ku,Tokyo.
1950 Started TOKYO TOKUSYU-DENSEN TORYO CO., LTD. with a capital of 500,000 Japanese yen
in Komatsugawa,Edogawa-ku,Tokyo,and began production on insulating varnish.
1954 Obtained patent for PVF Electric Wire Purpose Varnish,and began prodcution on
synthetic resin varnish.
1960 Obtained patent for polyester vanish in August and began production on it.
1962 Constructed specilalized factory for synthetic resin varnish and a laboratory in 
Honjo City,Saitama in May,and began operations.
1969 Started expansion of facilities at Honjo factory and began increasing production
on synthetic resin varnish.
1975 Acquired JIS plant certification in Februray.
1976 Established joint venture company  FUPAO CHEMICAL CO., LTD. in Taoyuan Taiwan,and began 
production on varnish.
1979 Changed company name to TOTOKU TORYO CO., LTD.in May.
1980 Started expansion of facilities at Honjo factory in April.
1983 Constructed office buliding in Kamezawa Sumida-ku,Tokyo in November,and 
moved head office there.
1984 Changed organization in January and moved technology developmental division 
to the head office.
1985 Began operations with completed factory automation at Honjo factory.
Started the new developed products business (products related to bonding and lamination),
and strengthened organization.
1987 Began sales the new developed products in electronic machinery filed(prodcuts
related to bonding)materials for industry and products dealing with lamination.
1988 Began sales the new developed products in electronic machinery filed(prodcuts
related to bonding)materials for industry and products dealing with lamination.
1989 Started on-line network of computers among headquarters,sales offices and factory.
1992 Erected R&D center building at Honjo factory in September.Strengthened  the new developed products business.
1996  Expanded polyesterimide(EI)production facilities.
2000 Acquired ISO9001 in April. 
2001 Established PT.TOTOKU TORYO INDONESIA in Karawang Indonesia in June.
Established TOTOKU TORYO(TAICANG)CO., LTD.in Jiangsu Taicang P.R.C. in August.
Introduced zero-emission machinery for EI in October.
2002 Began operation in PT.TOTOKU TORYO INDONESIA in Feburary.
2003 Began operations in TOTOKU TORYO(TAICANG)CO., LTD. in January.
Set up computer network system for 4 bases.
2004 Introduced environment-friendly,energy-saving mixed combustion boilers in April.
Acquired ISO 14001 in May.
2005 Installed deodorizing equipment at each plant in February.
2008 Solar generation system in Honjo factory for environmental protection in January.
New JIS plant has been recertificated.
2011 Constructed new office building of Honjo factory in November.
2012 Installed deodorizing equipment in wire test and drum washing areas at Honjo factory in Fabruary.
2013 Erected new developed product building and production line at Honjo factory in October.
2014 Changed the certification organization to JQA in October.
New JIS mark re-certification in November(delete W41).
2015 Established DONGGUAN TOKUPAO CO., LTD.at Guandong Dongguan P.R.C in April.
Erected new enamel wire test building and test oven lines at Honjo factory in June.
2017 Changed company name from TOTOKU TORYO(TAICANG)CO., LTD. to SUZHOU TOTOKU INSULATION TECHNOLOGY CO.,LTD. in March.