Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9274482 | Image forming apparatus with developing contrast control | Takahiro Nakase, Hideki Fujita, Yasushi Takeuchi, Kousuke Takeuchi | 2016-03-01 |
| 7347420 | Sheet transport apparatus and image forming apparatus | Shinsuke Kobayashi, Yasuzumi Taba | 2008-03-25 |
| 6040558 | Image heating apparatus | — | 2000-03-21 |
| 5994671 | Image heating apparatus | Hideki Suzuki, Kenjiro Hori, Koichi Okuda | 1999-11-30 |
| 5715499 | Contact charger having an oscillating voltage for charging a photosensitive member | Hiroki Kisu, Erika Asano, Eiji Funabashi, Hiroaki Ogata, Kazumi Yamauchi | 1998-02-03 |
| 5678141 | Charging apparatus and process cartridge | Erika Asano, Hiroki Kisu, Hiroaki Ogata | 1997-10-14 |
| 5546167 | Charging device, process cartridge and image forming apparatus | Hiroaki Ogata, Hiroki Kisu, Erika Asano | 1996-08-13 |
| 5541711 | Charging member having a cavity, charging device, process unit, and image forming apparatus having such a charging member | Hiroki Kisu, Masaharu Ohkubo, Kazushige Sakurai, Erika Asano | 1996-07-30 |
| 5534344 | Charging member having a loosely supported charger portion | Hiroki Kisu, Masaharu Ohkubo, Kazushige Sakurai, Erika Asano, Yasushi Shimizu +1 more | 1996-07-09 |
| 5519472 | Developing apparatus using elastic blade | Masaki Ojima, Masaharu Ohkubo, Hiroki Kisu, Kazushige Sakurai, Yukihiro Ohzeki +6 more | 1996-05-21 |
| 5475471 | Changing member having a charging surface arranged with respect to a tangent line | Hiroki Kisu, Kazushige Sakurai, Erika Asano, Satoru Inami, Hiroaki Ogata +1 more | 1995-12-12 |
| 5084733 | Developing apparatus having developer layer regulation means | Motoi Katoh, Takashi Hino, Keiji Okano, Yasushi Sato, Kimio Nakahata | 1992-01-28 |
| 5027745 | Developing apparatus having developer carrying roller with carbon fibers in surface layer | Katsuhiko Nishimura, Keiji Okano, Kouichi Suwa, Yasuhi Sato, Kimio Nakahata | 1991-07-02 |
| 4989044 | Developing apparatus for developing electrostatic latent images | Katsuhiko Nishimura, Keiji Okano, Motoi Katoh, Kouichi Suwa, Yasushi Sato +1 more | 1991-01-29 |