Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10139745 | Toner | Atsushi Nakamoto, Makoto Fukatsu, Masayoshi Kato, Kei Inoue, Kazuyuki Sato | 2018-11-27 |
| 10108099 | Toner | Makoto Fukatsu, Atsushi Nakamoto, Masayoshi Kato, Kazuhisa Kemmochi, Takahiro Kawamoto +1 more | 2018-10-23 |
| 9829815 | Toner | Makoto Fukatsu, Atsushi Nakamoto, Masayoshi Kato, Kazuhisa Kemmochi, Takahiro Kawamoto +1 more | 2017-11-28 |
| 9594320 | Toner and method of producing the toner | Makoto Fukatsu, Atsushi Nakamoto, Kazunari Hagiwara, Tatsuaki Orihara, Shuhei Tokiwa | 2017-03-14 |
| 9298128 | Image forming apparatus | Tatsuaki Orihara, Shuhei Tokiwa, Kazunari Hagiwara, Makoto Fukatsu, Atsushi Nakamoto | 2016-03-29 |
| 9261814 | Developer carrying member, developing assembly, process cartridge, and image forming apparatus | Kazunari Hagiwara, Tatsuaki Orihara, Shuhei Tokiwa, Yasuyuki Matsumoto, Atsushi Nakamoto +1 more | 2016-02-16 |
| 9134649 | Image forming apparatus | Tatsuaki Orihara, Shuhei Tokiwa, Kazunari Hagiwara, Makoto Fukatsu, Atsushi Nakamoto | 2015-09-15 |
| 9026011 | Image forming apparatus | Kenta Kubo, Juun Horie, Shuji Moriya, Tomoaki Miyazawa, Hirokazu Usami +2 more | 2015-05-05 |
| 8835089 | Toner and method for producing the same, and two-component type developer | Emi Hagiwara, Yasunori Chigono, Hirokazu Usami, Ryo Inoue, Shintaro Ishida +1 more | 2014-09-16 |
| 8326165 | Image forming apparatus having a photosenstive member of high capacitance | Kenta Kubo, Takeshi Yamamoto | 2012-12-04 |
| 8204412 | Image forming apparatus generating electrostatic forces in first and second directions with a predetermined duty ratio | Kenta Kubo, Takeshi Yamamoto, Tomoaki Miyazawa, Juun Horie | 2012-06-19 |
| 8114562 | Two-component developer, replenishing developer, and image-forming method | Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto +5 more | 2012-02-14 |
| 8059995 | Image forming apparatus including a developer bearing member with an alternate electric field being applied thereto | Takeshi Yamamoto, Yoshinobu Baba, Kenta Kubo | 2011-11-15 |
| 7912389 | Image forming apparatus | Takeshi Yamamoto, Kenta Kubo, Yoshinobu Baba, Koh Ishigami | 2011-03-22 |
| 7906262 | Two-component developer, replenishing developer, and image-forming method | Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto +5 more | 2011-03-15 |
| 7877030 | Image forming apparatus | Juun Horie, Takeshi Yamamoto, Kenta Kubo, Tomoaki Miyazawa, Hirokazu Usami | 2011-01-25 |
| 7826758 | Image forming apparatus | Tomoaki Miyazawa, Takeshi Yamamoto, Kenta Kubo, Juun Horie | 2010-11-02 |
| 7767370 | Two-component developer, replenishing developer, and image-forming method | Koh Ishigami, Kazuo Terauchi, Noriyoshi Umeda, Tetsuya Ida, Naoki Okamoto +5 more | 2010-08-03 |
| 7764910 | Image forming apparatus | Takeshi Yamamoto, Yoshinobu Baba, Kenta Kubo | 2010-07-27 |
| 7715744 | Image forming apparatus using peak AC potentials to move toner toward an image bearing member and a developer carrying member, respectively | Tomoaki Miyazawa, Takeshi Yamamoto, Kenta Kubo, Juun Horie | 2010-05-11 |
| 7471909 | Image forming apparatus | Kenta Kubo, Takeshi Yamamoto | 2008-12-30 |
| 7072607 | Developing apparatus | Takeshi Yamamoto, Makoto Fukatsu | 2006-07-04 |
| 6829464 | Developing apparatus | Kazuhisa Kemmochi | 2004-12-07 |
| 6647229 | Image forming apparatus with flexible charging member for use with spherical toner | Katsuhiro Sakaizawa | 2003-11-11 |
| 6564027 | Image forming apparatus | Katsuhiro Sakaizawa | 2003-05-13 |