Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9052678 | Cleaning device, process cartridge and image forming apparatus | Hideto Oka, Masao Uyama, Kenji Shindo, Nobuyoshi Yoshida, Ryosuke Kanai | 2015-06-09 |
| 8929795 | Cleaning device, process cartridge and image forming apparatus | — | 2015-01-06 |
| 8346104 | Image forming apparatus | Nobuyoshi Yoshida | 2013-01-01 |
| 8175475 | Image forming apparatus | Nobuyoshi Yoshida | 2012-05-08 |
| 7995931 | Image forming apparatus | Nobuyoshi Yoshida | 2011-08-09 |
| 7454160 | Developing apparatus including a cylindrical developer carrying member conveying a magnetic mono-component developer | Masaki Ojima, Masahito Kato, Nobuyoshi Yoshida, Tadashi Dojo | 2008-11-18 |
| 7444092 | Image forming apparatus | Norihito Naito, Takayuki Namiki | 2008-10-28 |
| 7430378 | Image forming apparatus setting an image forming condition based on characteristics of a cartridge, cartridge used in the image forming apparatus, and storage medium mounted on the cartridge | Nobuo Komiya, Daisuke Baba | 2008-09-30 |
| 7426482 | Image processing apparatus, method of placing order for expendables of image processing apparatus, storage medium, and program | Masanobu Saito, Seiichi Shinohara, Takayuki Namiki | 2008-09-16 |
| 7346300 | Developing apparatus | Daisuke Baba, Masahito Kato | 2008-03-18 |
| 6873350 | Image forming apparatus and image forming method | Masanobu Saito, Seiichi Shinohara, Takayuki Namiki | 2005-03-29 |
| 6636251 | Image forming apparatus and method | Masanobu Saitou, Seiichi Shinohara, Takayuki Namiki | 2003-10-21 |
| 6337964 | Agitating member, developing apparatus and process cartridge | Junichi Kato, Masahiro Yoshida, Yusuke Nakazono, Seiichi Shinohara | 2002-01-08 |
| 6317574 | Charging member, process cartridge, and image forming apparatus | Seiichi Shinohara, Junichi Kato, Atsutoshi Ando, Yusuke Nakazono | 2001-11-13 |
| 6175703 | Image forming apparatus and process cartridge | Yusuke Nakazono, Junichi Kato, Koichi Suwa, Masahiro Yoshida, Atsutoshi Ando +2 more | 2001-01-16 |
| 6169869 | Image forming apparatus and process cartridge | Junichi Kato, Masahiro Yoshida, Yusuke Nakazono, Seiichi Shinohara | 2001-01-02 |
| 6163663 | Image forming apparatus using a developer of a given polarity and an externally added additive of an opposite polarity | Seiichi Shinohara, Junichi Kato, Masahiro Yoshida, Yusuke Nakazono | 2000-12-19 |
| 6128462 | Cleaning member, image forming apparatus provided with a cleaning blade member, and process cartridge detachably attachable on the image forming apparatus | Junichi Kato, Masahiro Yoshida, Yusuke Nakazono, Satoshi Sunahara, Seiichi Shinohara | 2000-10-03 |
| 6038414 | Developing apparatus with magnetic seals for preventing toner leakage | Junichi Kato, Toshiyuki Karakama, Atsushi Numagami, Masahiro Yoshida, Yusuke Nakazono +1 more | 2000-03-14 |
| 5995785 | Image forming apparatus having a mechanism for preventing stripping off of a lubricant from a cleaning blade | Junichi Kato, Tadashi Onimura, Koichi Suwa, Jun Suzuki, Atsutoshi Ando | 1999-11-30 |
| 5946522 | Image forming apparatus and cartridge mountable on the same | — | 1999-08-31 |
| 5805951 | Image forming apparatus detecting useful life of an image bearing member | Junichi Kato, Jun Suzuki, Atsutoshi Ando | 1998-09-08 |
| 5790927 | Charging member and process cartridge having same | Atsutoshi Ando, Junichi Kato, Jun Suzuki | 1998-08-04 |
| 5765077 | Charging member, charging device and process cartridge detachably mountable to image forming apparatus | Kazushige Sakurai, Junichi Kato, Kouichi Suwa, Masaki Ojima, Hiroshi Sato +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, Kouichi Suwa +4 more | 1997-10-28 |