History

1919 Yoshi Amalgamated Sale, Company
(selling papers for sericulture) established
1923 Shimanaka Shokai establrshed
1943 Tokyo Sangvo Yoshi, Limited established
1954 Tokyo Sangvo Yoshi Co., Ltd. established (Capital: 6 million yen)
1955 Began selling metallized papers (MP) for capacitors
1960 Began selling capacitor films
1961 Began selling electrolytic capacitor paper (ECP)
1964 Increased the company's capital to 9 million yen
1968 Began selling metallized films(MF) for capacitors
1969 Established Mihato Co., Ltd., a sheet cutting and processing subsidiary,
in Nakatsugawa, Gifu Prefecture
1972 Began selling Transiormerboard (TB) and Glass papers
1975 Established a liaison office in Taipei
(the office reorganized into a Taiwanese subsidiary in 1986
TOHSAN CORPORATION)
1983 The yearly sales revenue exceeded 10 billion yen
1984 Celebrated the 65th anniversary of the company's founding and
increased the capital to 27 million yen
1986 Established Subsidiary Tohsan Corporation (Taipei, Taiwan)
1996 Increased capital to 54 million yen
1997 Increased capital to 180 million yen
1998 Completed the construction of a TSY-Owned warehouse in Yokohama
2003 Opened a representative office in Shanghai (the office closed in 2009)
2004 Celebrated the 85th anniversarv of the company's founding and
the 50th annrversary of the incorporation as a joint-stock film
2007 The yearly sales revenue exceeded 20 billion yen
2014 Moved our head office to Hongokucho, Nihonbashi
2019 Celebrated the 100th anniversary of the company’s founding and the 65th anniversary of the incorporation as a joint-stock firm
2023 Subsidiary TOKYO SANGYO YOSHI MALAYSIA SDN. BHD. Established

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