SO

Seiichi Oishii

SP Seiko Precision: 2 patents #55 of 173Top 35%
Overall (All Time): #1,997,915 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9395599 Focal plane shutter and optical apparatus Shoichi Tokura 2016-07-19
9239511 Focal plane shutter and optical apparatus Shoichi Tokura 2016-01-19