Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8406678 | Cleaning roller for cleaning image bearing member | Junpei Shouno, Yohei Nakade | 2013-03-26 |
| 8160470 | Cleaning roller for cleaning charging roller and image forming apparatus | Junpei Shouno, Yohei Nakade | 2012-04-17 |
| 8045903 | Roller for use with image forming apparatus | Junpei Shouno, Yohei Nakade | 2011-10-25 |
| 7860436 | Image forming apparatus with toner supplying roller | Tetsuo Sano, Yohei Nakade, Yoshikazu Aoki, Yuusuke Okuno, Takuya Okada | 2010-12-28 |
| 7729648 | Developing roller having specific surface layer, developing device provided with the developing roller and image-forming apparatus provided with developing device equipped with the developing roller | Tetsuo Sano, Yohei Nakade, Junpei Shouno | 2010-06-01 |
| 7639973 | Image forming apparatus with developer supply roller | Tetsuo Sano, Yohei Nakade, Yoshikazu Aoki, Yuusuke Okuno | 2009-12-29 |
| 7260349 | Developing roller for use in image-forming apparatus and developing device equipped with the same | Yohei Nakade, Tetsuo Sano | 2007-08-21 |
| 7224927 | Developing roller for use in image-forming apparatus and developing apparatus equipped with the same | Tetsuo Sano, Yohei Nakade | 2007-05-29 |
| 6681093 | Developing device of monocomponent development system | Ryuji Inoue, Yoshiko Yaoi, Minoru Wada | 2004-01-20 |
| 6343201 | Developing apparatus comprising developing roller that is rotated upward from below in developing area and image forming apparatus using the same | Minoru Wada, Tetsumaru Fujita, Eiji Gyotoku, Akihiro Kawasaki, Yoichi Fujieda +1 more | 2002-01-29 |
| 6051356 | Toner for electrostatic latent image developing | Yoshikazu Nishihara, Yoshihiro Mikuriya, Hiroshi Fukao, Fumiko Hirano, Hiroyuki Fukuda | 2000-04-18 |
| 5914210 | Developer and developing method | Yoshikazu Nishihara, Yoshihiro Mikuriya, Takeshi Ishida | 1999-06-22 |
| 5879848 | Toner for full color developing | Katsunori Kurose, Masayuki Hagi, Takeshi Arai, Junichi Tamaoki, Hiroyuki Fukuda | 1999-03-09 |
| 5824446 | Toners for developing electrostatically charged images | Yoshikazu Nishihara, Yoshihiro Mikuriya, Fumiko Nakazawa, Hiroshi Fukao | 1998-10-20 |
| 5807653 | Toner for two-component developing agent | Yoshikazu Nishihara, Yoshihiro Mikuriya, Fumiko Nakazawa, Hiroshi Fukao | 1998-09-15 |
| 5794105 | Image forming apparatus and toner for full color development | Junichi Tamaoki, Takeshi Arai, Katsunori Kurose, Masayuki Hagi, Hiroyuki Fukuda | 1998-08-11 |
| 5731120 | Carrier for electrophotography with surface coated with specified co-polymer resin of organopolysiloxane with radical monomer | Yukio Tanigami, Mitsutoshi Nakamura, Yasuki Nagai, Osamu Maeda | 1998-03-24 |
| 5622802 | Toner for electrostatic latent image developing | Yasuki Nagai, Mitsutoshi Nakamura, Yukio Tanigami, Hideaki Ueda | 1997-04-22 |
| 5604067 | Toner for electrostatic latent image developing and manufacturing method of same | Yasuki Nagai, Hideaki Ueda, Mitsutoshi Nakamura, Yukio Tanigami | 1997-02-18 |
| 5547794 | Toner for electrostatic latent image developing | Yasuki Nagai, Mitsutoshi Nakamura, Yukio Tanigami, Hideaki Ueda | 1996-08-20 |
| 5272040 | Toner for developing electrostatic latent images | Shinobu Nakasawa, Hiroshi Fukao, Keiji Asakawa, Toshikazu Muramatsu | 1993-12-21 |
| 5219696 | Toner for developing electrostatic latent image | Mitsutoshi Nakamura, Hiroshi Fukao | 1993-06-15 |
| 5212039 | Developing method of electrostatic latent images for full color image formation | Mitsutoshi Nakamura, Hiroshi Fukao, Yuji Shintani, Shinobu Nakasawa | 1993-05-18 |
| 5204204 | Carrier for developing electrostatic latent image | Yuji Shintani, Etsuaki Urano, Osamu Doi, Shinobu Nakasawa, Miyoko Ito +6 more | 1993-04-20 |
| 4973540 | Developer for electrostatic latent image containing fine particle comprising positively and negatively chargeable polar group | Junji Machida, Masashi Yamamoto, Kouichi Etou | 1990-11-27 |