History

From the 1930s to the 1950s, the company mainly manufactured testing equipment for paper, textiles, and inks.  Since the 1960s, TOYOSEIKI has been manufacturing and selling mainly testing equipment for plastics and rubber.

• 1934 – Founded by Shozo Endo in Sarugaku-cho, Kanda, Tokyo. (March 1st)
• 1939 – Moved to Takinogawa, Tokyo and established company.

Takinogawa new company building dedication ceremony (1939)

• 1950 – Focused on development of pulp and paper testing machines.
• 1953 – Production of Inkometer and Hoover type Muller begins.

 Inkometer (R), Hoover type Muller (L)

• 1955 – Production of Melt Flow Indexer begins.

Melt Flow Indexer (1955) 

• 1958 – Itabashi Factory begins operations.

 Takinogawa Head Office (1959)

• 1960 – Production of the “Strograph” load cell type universal testing machine begins.

Universal Testing Machine “Strograph” (1960)

• 1962 – Musashi Factory begins operations; Osaka Branch opens.

Musashi Factory (1962)

• 1963 – Production of rubber vulcanization tester “Oscillating Disk Rheometer” begins.
• 1964 – Received certification as an export-contributing company
• 1968 – Production of Building Material Combustibility Tester begins; Nagoya Branch opens.
• 1970 – Production of Torque Rheometer “Labo Plastomill™” begins.
• 1974 – Production of Biaxial Stretching Tester begins.
• 1978 – Production of Automatic Densimeter begins.
• 1982 – Production of Capillary Rheometer “Capillograph™” begins.
• 1988 – Tokyo Factory begins operations.

 Tokyo Factory (1988)

• 1997 – Obtained ISO 9001 certification, the international standard for quality management systems.
• 2002 – Tokyo Factory Funado Support Center begins operations.
• 2012 – Established Dongyang Jingji Trading (Shanghai) Co., Ltd. (China)

Products history

Vintage catalogs