KI

Keiji Ikemori

Canon: 5 patents #89 of 1,247Top 8%
Overall (1989): #2,624 of 140,708Top 2%
5
Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4865434 Zoom lens capable of selecting a focal length beyond a standard focal length range Takashi Matsushita, Sadatoshi Takahashi, Nozomu Kitagishi, Tsunefumi Tanaka 1989-09-12
4836661 Optical system of variable magnification power 1989-06-06
4830477 Zoom lens capable of obtaining focal lengths beyond a variable focal length range Sadatoshi Takahashi, Nozomu Kitagishi, Tsunefumi Tanaka, Takashi Matsushita, Kikuo Momiyama 1989-05-16
4826301 Photographic system having soft focus function 1989-05-02
4804986 Camera Ichiro Ohnuki, Masaharu Eguchi 1989-02-14