Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7761040 | Image forming apparatus having developer with opposite polarity particles | Shigeo Uetake, Junya Hirayama, Masahiko Matsuura, Takeshi Maeyama | 2010-07-20 |
| 7761041 | Developing apparatus, image forming apparatus and method for forming image using opposite polarity particles | Takeshi Maeyama, Junya Hirayama, Shigeo Uetake | 2010-07-20 |
| 7738814 | Development apparatus, image-forming apparatus and developing method using reverse polarity particles | Masahiko Matsuura, Junya Hirayama, Takeshi Maeyama, Shigeo Uetake | 2010-06-15 |
| 7734227 | Developing device and image-forming apparatus using multiple-component developer | Shigeo Uetake, Yuji Nagatomo, Junya Hirayama, Takeshi Maeyama, Masahiko Matsuura | 2010-06-08 |
| 7697873 | Development apparatus, image forming apparatus and developing method that employ a magnetic brush | Masahiko Matsuura, Junya Hirayama, Takeshi Maeyama, Shigeo Uetake | 2010-04-13 |
| 7689150 | Image forming apparatus using trapezoidal shaped electric field and method for forming image | Shigeo Uetake, Junya Hirayama, Takeshi Maeyama | 2010-03-30 |
| 7653335 | Developing apparatus and image forming apparatus | Junya Hirayama, Masahiko Matsuura, Takeshi Maeyama, Shigeo Uetake | 2010-01-26 |
| 6476357 | Fixing device provided with a fixing belt | Yasuhiro Ohno, Eiichi Sano, Ken Tanino, Yoshihiro Fukuhata, Masami Miyazaki | 2002-11-05 |
| 6291123 | Toner for toner-jetting | Yasuhiro Ohno, Ken Tanino, Masahiro Anno | 2001-09-18 |
| 6291124 | Toner for toner-jetting | Yasuhiro Ohno, Ken Tanino, Masahiro Anno | 2001-09-18 |
| 6171745 | Toner for toner-jetting | Yasuhiro Ohno, Ken Tanino, Masahiro Anno | 2001-01-09 |
| 6171746 | Toner for toner-jetting | Ken Tanino, Yasuhiro Ohno | 2001-01-09 |
| 6145977 | Apparatus and method for ink jet recording | Yasuhiro Ohno, Hideo Hotomi, Masakazu Takahashi | 2000-11-14 |
| 5985014 | Ink for ink-jet recording containing specified glycol derivatives | Takamasa Ueda, Masaki Asano, Hideo Hotomi | 1999-11-16 |
| 5910211 | Ink for ink-jet recording containing alkylene oxide adduct of acetylene glycol | Takamasa Ueda, Masaki Asano, Hideo Hotomi | 1999-06-08 |
| 5701569 | Image forming apparatus with transfer member and parallel circuit of grounded electrode and power supply | Masaharu Kanazawa, Kazuyoshi Hara, Yasuo Tanaka | 1997-12-23 |
| 5309206 | Developing device brought into contact with an electrostatic latent image support member | Satoshi Deishi, Hiroshi Mizuno, Toshimitsu Fujiwara, Masami Matsuura, Hideo Yamaki +1 more | 1994-05-03 |
| 5206691 | Developing apparatus | Hiroshi Mizuno, Satoshi Deishi, Toshimitsu Fujiwara | 1993-04-27 |
| 5128722 | Developing device excellent in toner transportability | Hiroshi Mizuno, Yuji Enoguchi, Akihito Ikegawa | 1992-07-07 |
| 5061963 | Monocomponent developing device | Akihito Ikegawa, Yuji Enoguchi, Hiroshi Mizuno, Masashi Yamamoto | 1991-10-29 |
| 5052335 | Electrostatic latent image developing device | Yuji Enoguchi, Hiroshi Mizuno | 1991-10-01 |
| 5035197 | Developing device | Yuji Enoguchi, Hiroshi Mizuno | 1991-07-30 |
| 5008708 | Monocomponent developing device | Yuji Enoguchi, Masashi Yamamoto | 1991-04-16 |
| 4990963 | Developing member composed of conductive particles in a dielectric material and having a variable volume resistivity | Masashi Yamamoto, Yuji Enoguchi, Fumio Masuda | 1991-02-05 |
| 4987454 | Developing method for developing electrostatic latent image | Yuji Enoguchi, Hiroshi Mizuno, Masahiro Anno, Junji Machida | 1991-01-22 |