Corporate History

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1950

  • 1950

    • Established Sato tekkousho by Tamotsu Sato
  • 1952

    • Started manufacturing large dia. bearing steel ball
  • 1953

    • Started manufacturing carbon steel ball

1970

  • 1972

    • Started mass production of Pachinko ball
  • 1973

    • Established Sato tekkou Co.,Ltd. CEO Tamotsu Sato capital 3 million yen

1980

  • 1981

    • Started research and development Plastic ball or Ceramic ball

1990

  • 1991

    • Increased capital to 6 million yen
  • 1994

    • Elected Koshi Sato as CEO and elected Tamotsu Sato as chairman
  • 1995

    • Increased capital to 10 million yen
  • 1999

    • Entered the Asian market

2000

  • 2000

    • Research and development precision Plastic ball
  • 2001

    • Research and development optical Glass ball
  • 2007

    • Expanded headquarters factory and office

2010

  • 2017

    • Increased capital to 30 million yen

2020

  • 2023

    • Elected Kazuhiko Sato as CEO and elected Koshi Sato as chairman