Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378576 | Electrophotographic transfer film and process for forming image | Takashi Sakai, Kishio Jinbo, Koichi Makiyama, Yoshio Shoji, Kazuo Asaka +2 more | 1995-01-03 |
| 5353756 | Valve operating system structure with variable valve timing mechanism | Shinichi Murata, Noriyuki Miyamura, Hirofumi Higashi | 1994-10-11 |
| 5314773 | Black toner for electrophotography | Akihiro Watanabe, Takafumi Nagai, Hironori Maruyama | 1994-05-24 |
| 5300383 | Method and toner for full color development | Noriaki Tsubota, Kazuo Fuji, Kazuhisa Edahiro | 1994-04-05 |
| 5296328 | Magnetic brush development process | Kazuo Fuji, Akira Nakakuma, Naruo Yabe, Akihiro Watanabe, Yoshihisa Kuramae +3 more | 1994-03-22 |
| 5239342 | Method of developing an electrostatic latent image utilizing a two-component developer comprising a magnetic carrier and a toner | Akihiro Watanabe, Takafumi Nagai, Hironori Maruyama | 1993-08-24 |
| 5225300 | Electrophotographic toner for negative charging | Noriaki Tsubota, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-07-06 |
| 5220357 | Image forming method and apparatus | Toshiaki Sagara, Kazuhiko Arai | 1993-06-15 |
| 5215850 | Electrophotographic toner for negative charging | Noriaki Tsubota, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-06-01 |
| 5212033 | Electrophotographic toner for negative charging | Noriaki Tsubota, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-05-18 |
| 5209999 | Electrophotographic tower for negative charging | Noriaki Tsubota, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-05-11 |
| 5202730 | Developing process using two-component type magnetic developer | Kazuo Fuji, Akira Nakakuma, Noriaki Tsubota, Kazuhisa Edahiro | 1993-04-13 |
| 5078085 | Developing process | Kazuo Fuji, Kazuhisa Edahiro | 1992-01-07 |
| 4988599 | Electrophotographic color toner having selected index of refraction range | — | 1991-01-29 |
| 4665001 | Negatively chargeable blue toner comprising indanthrone dye | Masanori Fujii, Nobuyasu Honda, Akira Horiuchi | 1987-05-12 |
| 4645729 | Method for preventing offset in electrophotography | Nobuyasu Honda, Masanori Fujii | 1987-02-24 |
| 4594302 | Developing process for two-colored electrophotography | — | 1986-06-10 |