Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |