Corporate History
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1950
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1950
- Established Sato tekkousho by Tamotsu Sato
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1952
- Started manufacturing large dia. bearing steel ball
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1953
- Started manufacturing carbon steel ball
1970
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1972
- Started mass production of Pachinko ball
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1973
- Established Sato tekkou Co.,Ltd. CEO Tamotsu Sato capital 3 million yen
1980
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1981
- Started research and development Plastic ball or Ceramic ball
1990
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1991
- Increased capital to 6 million yen
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1994
- Elected Koshi Sato as CEO and elected Tamotsu Sato as chairman
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1995
- Increased capital to 10 million yen
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1999
- Entered the Asian market
2000
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2000
- Research and development precision Plastic ball
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2001
- Research and development optical Glass ball
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2007
- Expanded headquarters factory and office
2010
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2017
- Increased capital to 30 million yen
2020
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2023
- Elected Kazuhiko Sato as CEO and elected Koshi Sato as chairman