YM

Yasushi Murayama

Canon: 4 patents #132 of 1,247Top 15%
Overall (1989): #3,310 of 140,708Top 3%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4887101 Image forming apparatus Yoshihiko Hirose, Tomohiro Aoki, Kazuyoshi Chiku, Takashi Uchida, Kunihiko Matsuzawa 1989-12-12
4873541 Image forming apparatus Yoshihiko Hirose, Tomohiro Aoki, Kazuyoshi Chiku, Takashi Uchida, Kunihiko Matsuzawa +1 more 1989-10-10
4847642 Electrophotographic apparatus Kazunori Kanekura, Tomohiro Aoki, Kazuyoshi Chiku, Yoshihiko Hirose, Takashi Uchida +1 more 1989-07-11
4816844 Superimposed image forming apparatus Takashi Uchida, Osamu Hoshino, Kazuyoshi Chiku, Kunihiko Matsuzawa 1989-03-28