YH

Yoshihiko Hirose

Canon: 3 patents #216 of 1,247Top 20%
Overall (1989): #5,989 of 140,708Top 5%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4887101 Image forming apparatus Tomohiro Aoki, Kazuyoshi Chiku, Yasushi Murayama, Takashi Uchida, Kunihiko Matsuzawa 1989-12-12
4873541 Image forming apparatus Tomohiro Aoki, Kazuyoshi Chiku, Yasushi Murayama, Takashi Uchida, Kunihiko Matsuzawa +1 more 1989-10-10
4847642 Electrophotographic apparatus Yasushi Murayama, Kazunori Kanekura, Tomohiro Aoki, Kazuyoshi Chiku, Takashi Uchida +1 more 1989-07-11