FO

Fumio Oshima

PE Pentax: 1 patents #515 of 761Top 70%
📍 Shiki, JP: #102 of 163 inventorsTop 65%
Overall (All Time): #4,048,417 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4372663 Rear aperture converter — 1983-02-08