Corporate History

1950 '50 Established Sato tekkousho by Tamotsu Sato
'52 ・Started manufacturing large dia. bearing steel ball
'53 ・Started manufacturing carbon steel ball
1970 '72 ・Started mass production of Pachinko ball
'73 Established Sato tekkou Co.,Ltd.
  CEO Tamotsu Sato
  capital 3 million yen
1980 '81 ・Started research and development Plastic ball or Ceramic ball
1990 '91 ・Increased capital to 6 million yen
'94 ・Elected Koshi Sato as CEO and elected Tamotsu Sato as chairman
'95 ・Increased capital to 10 million yen
'99 ・Entered the Asian market
2000 '00 ・Research and development precision Plastic ball
'01 ・Research and development optical Glass ball
'07 ・Expanded headquarters factory and office
2010 '17 ・Increased capital to 30 million yen
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