YO

Yutaka Ohsawa

PE Pentax: 3 patents #2 of 57Top 4%
Overall (1989): #5,815 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4872069 Electric power supply control device for camera Satoshi Takami 1989-10-03
4831400 Stop-down signal adjusting circuit in automatic aperture control camera Satoshi Takami 1989-05-16
4806748 Photo-electric conversion circuit Satoshi Takami 1989-02-21