KY

Kouich Yamauch

KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #3,958,948 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4770549 Ceramics bearing Kazuo Rokkaku, Hiroaki Takebayashi 1988-09-13