HK

Hiroyuki Kataoka

Canon: 3 patents #216 of 1,247Top 20%
📍 Tokyo, CA: #16 of 121 inventorsTop 15%
Overall (1989): #5,061 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4881013 Flash photographic apparatus Tosiyuki Kumakura 1989-11-14
4845522 Data communication system for camera system 1989-07-04
4808811 Light integrating circuit for use in a light measuring device which is accurate for both low and high light values Tosiyuki Kumakura, Kouichi Ohmori 1989-02-28
4806963 Aperture decision system for flash photographing Ryuichi Kobayashi, Yoshihito Harada, Masaharu Kawamura, Toshiyuki Kumakura 1989-02-21