RF

Ryoichi Fujita

Canon: 31 patents #1,730 of 19,416Top 9%
FU Fujita: 1 patents #13 of 39Top 35%
Overall (All Time): #113,993 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5700617 Toner for developing electrostatic images and charge-controlling agent Tsuyoshi Takiguchi, Kenji Okado, Masaaki Taya, Makoto Kanbayashi, Wakashi Iida +1 more 1997-12-23
5670288 Carrier for electrophotography, two-component type developer, and image forming method Kenji Okado, Toshiyuki Ugai, Makoto Kanbayashi, Tsuyoshi Takiguchi, Yasuhiro Ichikawa +1 more 1997-09-23
5637432 Toner for developing electrostatic image comprising titanium oxide particles Kenji Okado, Toshiyuki Ugai, Tsuyoshi Takiguchi, Yasuhiro Ichikawa 1997-06-10
5620824 Toner, developer and image forming method Kenji Okado, Akihiko Nakazawa, Makoto Kanbayashi 1997-04-15
5604071 Toner for developing electrostatic image Kenji Okado, Tsuyoshi Takiguchi 1997-02-18
5512402 Carrier for electrophotography, two-component type developer, and image forming method Kenji Okado, Toshiyuki Ugai, Makoto Kanbayashi, Tsuyoshi Takiguchi, Yasuhiro Ichikawa +1 more 1996-04-30
5418102 Developer for developing electrostatic image, image forming method, toner imager fixing method and image forming apparatus Takaaki Kotaki, Yoshihiko Hyosu, Makoto Kanbayashi, Minoru Shimojo 1995-05-23