Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5987294 | Toner fixing apparatus | Kaneo Yoda, Kenjiro Yoshioka, Hiroshi Tanaka, Kazutoshi Fujisawa, Takayuki Shiraki +1 more | 1999-11-16 |
| 5893665 | Image forming apparatus | Kazuhiro Ichikawa | 1999-04-13 |
| 5870132 | Laser beam scanning image forming apparatus having two-dimensionally disposed light emitting portions | Nozomu Inoue, Kyu Takada, Hajime Kurihara | 1999-02-09 |
| 5729804 | Toner storage device and supply mechanism for image forming | Tomoe Aruga, Kiyoharu Momose, Junichi Okada, Junichiro Shinozaki, Hiroshi Niki +1 more | 1998-03-17 |
| 5729811 | Contact transfer device and image forming equipment | Toshiya Takahata, Tatsuro Ohsawa, Yasuhito Hirashima | 1998-03-17 |
| 5708941 | Developing apparatus using non-magnetic spherical toner particles | Masanao Kunugi | 1998-01-13 |
| 5697033 | Image forming apparatus with film transfer member | Kazuhiro Ichikawa | 1997-12-09 |
| 5655197 | Developing device | Hideki Okada, Takashi Suzuki, Yoshihiro Nakashima, Takehiko Okamura | 1997-08-05 |
| 5645966 | Image forming method | — | 1997-07-08 |
| 5633699 | Structure for mounting a rotary member and image forming apparatus using same structure | Tomoe Aruga, Yasuhito Hirashima, Akihiko Ikegami | 1997-05-27 |
| 5570168 | Development process | Masanao Kunugi | 1996-10-29 |
| 5563693 | Contact transfer device and image forming equipment | Toshiya Takahata, Tatsuro Ohsawa, Yasuhito Hirashima | 1996-10-08 |
| 5557060 | Developing device | Hideki Okada, Takashi Suzuki, Yoshihiro Nakashima, Takehiko Okamura | 1996-09-17 |
| 5537191 | Image forming apparatus with toner transport mechanism incorporated therein | Tomoe Aruga, Kiyoharu Momose, Junichi Okada, Junichiro Shinozaki, Hiroshi Niki +1 more | 1996-07-16 |
| 5467174 | Apparatus for forming an image using an electrophotographic process | — | 1995-11-14 |
| 5438395 | Development process | Masanao Kunugi | 1995-08-01 |
| 5424815 | Developing device | Masanao Kunugi, Mamoru Egi | 1995-06-13 |
| 5324885 | Roller member for an electrophotographic device | Masanao Kunugi, Mamoru Egi | 1994-06-28 |
| 5214239 | Apparatus for forming an electrophotographic image having a novel toner carrier | Masanao Kunugi, Mamoru Egi | 1993-05-25 |
| 5184257 | Head positioning control for a spindle motor disk drive | Akihiro Gomi, Takashi Miyasaka, Yasunaga Miyazawa, Kenichi Endo, Junichiro Shinozaki +4 more | 1993-02-02 |
| 5149914 | Development apparatus using a flexible magnetic field forming layer | Shizue Nakazawa, Takehiko Okamura | 1992-09-22 |
| 5023733 | Head positioning control for a spindle motor disk drive | Akihiro Gomi, Takashi Miyasaka, Yasunaga Miyazawa, Kenichi Endo, Junichiro Shinozaki +4 more | 1991-06-11 |
| 5017967 | Method and apparatus for forming images including a toner transporting member having an insulating layer | — | 1991-05-21 |
| 4945301 | Constant-voltage power supply circuit and amplifier circuit and DA converter using the constant-voltage power supply circuit | Hiroshi Kume, Kenji Nakao | 1990-07-31 |
| 4555751 | Rectified and smoothed DC supplying circuitry | Kenji Nakao | 1985-11-26 |