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Toyohisa Asaji

KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #3,629,792 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
6129643 Variable diameter pulley Takao Tamagawa, Shinji Yasuhara, Yasuhiko Hasuda 2000-10-10