RY

Ryoichi Yoshikawa

Canon: 2 patents #105 of 392Top 30%
Overall (1982): #8,035 of 81,411Top 10%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4361391 Film magazine holding device for camera Shosuke Haraguchi 1982-11-30
4322148 Information indicating device for single lens reflex camera with built-in flash unit 1982-03-30