1918

Sakuzo Yamamoto established Yamamoto Shoten in Kitakyuhojimachi, Higashi-ku, Osaka-shi, to commence sales of dyestuffs for textile industry. Concluded special agent contract with Hoechst Japan Ltd., sole agent of Hoechst AG in Japan.

1953

Founded Company Limited. Began selling pigments and specialty chemicals in such non-textile fields as paints, printing inks, plastics, and stationery.

1959

Concluded special agent contract with BASF Japan Ltd., sole agent of BASF AG in Japan.

1961

Concluded special agent contract with Ciba-Geigy Japan Limited, sole agent of Ciba-Geigy AG in Japan.

1962

Concluded special agent contract with ICI Japan Ltd., sole agent of Imperial Chemical Industries PLC. in Japan.

1964

Set up Tokyo branch office.

1965

Concluded special agent contract with Bayer Limited, sole agent of Bayer AG in Japan.

1967

Set up Nagoya branch office.

1971

Concluded special agent contract with Merck Japan Ltd., sole agent of E. Merck AG in Japan.

1976

Concluded special agent contract with Degussa Japan Ltd., sole agent of Degussa AG in Japan

1980

Was appointed as sole distributor of Eckart Werke in Japan.

1982

Concluded special agent contract with Goldschmidt Japan Ltd., sole agent of TH.Goldschmidt AG in Japan.

1988

Concluded special agent contract of measurement instruments with Minolta Camera Sales Co.,Ltd.

1992

Concluded agency contract with American Chrome & Chemicals lnc., U.S.A..

1993

Zeneca Ltd., divided from ICI Japan Ltd., Concluded special agent contract with them.
Concluded agency contract with Sterling Industrial Colours Ltd, UK.

1994

Was appointed as special agent of Mettler-Toledo Ltd., sole agent of Mettler-Toledo AG in Japan.
Was appointed as special agent of Shinagawa Fuel Co.,Ltd.

1995

Was appointed as special agent of Nikkiso Co.,Ltd.
Was appointed as special agent of Iwasaki Electoric Co.,Ltd.

1997

Established Yamamoto Trading (Thailand) Co.,Ltd.

1998

Concluded agency contract with Nisshinbo Industries Inc. Color Systems Dept.
Concluded special agency contract with Wacker Asahikasei Silicolle Co.,Ltd., sole agent of Wacker Chemie GmbH in Japan.

2000

Concluded agency contract of Dromont s.p.a
Concluded specisl agent contract with Air Products Japan, Inc., sole agento of Air Products and Chemicals,Inc. in Japan.

2002

Concluded specisl agent contract with Cognis Japan Ltd. sole agent of Cognis Deutschland GmbH Co.& KG in Janan.

2004

Concluded special agent contract with Lubrizol Japan Ltd. sole agent of Lubrizol Ltd. in Japan.
Concluded special agent contract with Arch Chemicals Japan Ltd. sole agent of Arch Chemicals Inc. in Japan.

2005

Concluded agency contract with Sensient Colors Inc., U.S.A..
Concluded special agent contract with Buhler Japan Ltd. sole agent of Buhler AG in Japan.
Acquired ISO14001 certification.

2007

Concluded sole agent contract with Buhler PARTEC GmbH.
Concluded sole agent contract with Degussa Coatings & Colorants Pty Ltd..
Established Yamamoto Trading Korea Co.,Ltd.

2008

Established Yamamoto Trading(China)Co.,Ltd.

2011

Established Yamamoto Trading(Taiwan)Co.,Ltd.
Established Yamamoto Trading(Hong Kong)Limited.
Established Yamamoto Trading Malaysia Sdn.Bhd.

2018

YTC Headquarters transferred.