KY

Kisaburo Yoshida

SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #3,497,831 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6830501 End face polishing device Kouji Minami, Hisayuki Hirayama, Masaharu Sugiyama 2004-12-14