HS

Hitoshi Shimizu

PE Pentax: 3 patents #27 of 186Top 15%
Overall (1997): #15,610 of 185,788Top 9%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5671449 Switching system for camera — 1997-09-23
5594519 Blade mechanism — 1997-01-14
5592250 Driving mechanism for a photograhing optical system — 1997-01-07