KK

Kazumasa Katakura

SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
SK Seiko Seiki Kabushiki Kaisha: 1 patents #47 of 125Top 40%
Overall (All Time): #1,603,770 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6741337 End face polishing apparatus and method of polishing end face Kouji Minami 2004-05-25
6722945 Endface polishing method and endface polishing apparatus Kouji Minami 2004-04-20
5957752 Grinding wheel dressing method and device 1999-09-28