HK

Harumi Kugoh

Canon: 6 patents #8,497 of 19,416Top 45%
Overall (All Time): #888,006 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5809379 Electrophotography having photosensitive member with charge blocking overlayer Hideyuki Yano, Yasushi Sato, Junji Araya, Yukihiro Ohzeki, Katsuhiro Sakaizawa +2 more 1998-09-15
5499080 Image forming apparatus having a voltage controlled contact charger Tadashi Furuya, Junji Araya, Hideyuki Yano 1996-03-12
5485248 Image forming apparatus having a contact charger for varying a charge applied to a photosensitive drum based on a resistance of the photosensitive layer Hideyuki Yano, Junji Araya, Norio Hashimoto, Takashi Shibuya, Tadashi Furuya 1996-01-16
5390007 Charging member, charging device, process cartridge and image forming apparatus Junji Araya, Hideyuki Yano 1995-02-14
5384626 Charging member, process cartridge and image forming apparatus Junji Araya, Hideyuki Yano, Tadashi Furuya 1995-01-24
5202729 Developing apparatus having a coated developing roller Toshio Miyamoto, Yasushi Sato, Akihiko Takeuchi, Hiroshi Sasame, Katsuhiko Nishimura +4 more 1993-04-13