History

1919Yoshi Amalgamated Sale, Company
(selling papers for sericulture) established
1923Shimanaka Shokai establrshed
1943Tokyo Sangvo Yoshi, Limited established
1954Tokyo Sangvo Yoshi Co., Ltd. established (Capital: 6 million yen)
1955Began selling metallized papers (MP) for capacitors
1960Began selling capacitor films
1961Began selling electrolytic capacitor paper (ECP)
1964Increased the company's capital to 9 million yen
1968Began selling metallized films(MF) for capacitors
1969Established Mihato Co., Ltd., a sheet cutting and processing subsidranry,
in Nakatsugawa, Gifu Prefecture
1972Began selling Transiormerboard (TB) and Glass papers
1975Established a liaison office in Taipei
(the office reorganized into a Taiwanese subsidiarv in 1986
TOHSAN CORPORATION)
1983The yearly sales revenue exceeded 10 billion yen
1984Celebrated the 65th anniversary of the company's founding and
increased the capital to 27 million yen
1986Established Subsidiary Tohsan Corporation (Taipei, Taiwan)
1987Established TAIWAN ELECTRO-MATERIALS CO., LTD.
(the offrce closed in 2014)
1996Increased capital to 54 million yen
1997Increased capital to 180 million yen
1998Completed the construction of a TSY-Owned warehouse in Yokohama
2003Opened a representative office in Shanghai (the office closed in 2009)
2004Celebrated the 85th anniversarv of the company's founding and
the 50th annrversary of the incorporation as a joint-stock film
2007The yearly sales revenue exceeded 20 billion yen
2011Opened a representative office in India
2014Moved our head office to Hongokucho, Nihonbashi

1969
Established subsidiary Mihato Co., Ltd. (cutting processing in Nakatsugawa City, Gifu Prefecture)

1986
Established Subsidiary Tohsan Corporation
(Taipei, Taiwan)

1998
Completed the construction of a
TSY-Owned warehouse in Yokohama

2011
Opened a representative office in India