Toshin Koqyo started business as a company of Silk-reeling at Maruko (Ueda-City) in Nagano Prefecture in Japan at 1950. The entrepreneurship is targeting a reliable company, a company with high quality, and a company contributing to society which have been growing up for 60 years.
Depending on an economical change, TK changed the business from silk-reeling to manufacturer of Electrolytic capacitors and Film capacitors.
The Japanese Company established a reliable TK brand by developing unique products matched to the customer’s needs. TK contribute to the society by developing the product which protects the natural environment.