Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6219510 | Charging member employing layers formed with aqueous resin | Atsutoshi Ando, Tadashi Onimura, Satoshi Sunahara | 2001-04-17 |
| 6058284 | Developing apparatus | Keiji Okano, Seiji Yamaguchi, Hideki Matsumoto | 2000-05-02 |
| 5960233 | Temperature control for a fixing apparatus | Masahiro Goto, Takahiro Inoue, Yuko Okama, Satoru Izawa | 1999-09-28 |
| 5765077 | Charging member, charging device and process cartridge detachably mountable to image forming apparatus | Kazushige Sakurai, Junichi Kato, Masaki Ojima, Hiroshi Sato, Satoru Inami +1 more | 1998-06-09 |
| 5682585 | Developing apparatus generating electric field between developer carrying member and developer layer regulating member | Seiji Yamaguchi, Takahiro Inoue, Kazushige Sakurai, Junichi Kato, Masaki Ojima +4 more | 1997-10-28 |
| 5666606 | Image forming apparatus comprising contact type charging member | Keiji Okano, Takahiro Inoue, Kazushige Sakurai, Tadashi Onimura, Masaki Ojima +3 more | 1997-09-09 |
| 5027745 | Developing apparatus having developer carrying roller with carbon fibers in surface layer | Michihito Yamazaki, Katsuhiko Nishimura, Keiji Okano, Yasuhi Sato, Kimio Nakahata | 1991-07-02 |
| 4989044 | Developing apparatus for developing electrostatic latent images | Katsuhiko Nishimura, Michihito Yamazaki, Keiji Okano, Motoi Katoh, Yasushi Sato +1 more | 1991-01-29 |