YS

Yoshio Sawada

PE Pentax: 4 patents #3 of 50Top 6%
Overall (1982): #1,390 of 81,411Top 2%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4329032 Automatic focus indicating device for camera Harumi Aoki 1982-05-11
4326127 Focus detecting device Harumi Aoki 1982-04-20
4320946 Camera focus detecting device Harumi Aoki, Katsuhiko Miyata 1982-03-23
4319813 Automatic focus indicating device for camera Harumi Aoki 1982-03-16