Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300383 | Method and toner for full color development | Masahiko Kubo, 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 |
| 5225300 | Electrophotographic toner for negative charging | Masahiko Kubo, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-07-06 |
| 5215850 | Electrophotographic toner for negative charging | Masahiko Kubo, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-06-01 |
| 5212033 | Electrophotographic toner for negative charging | Masahiko Kubo, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-05-18 |
| 5212038 | Developer and process for preparation thereof | Akihiro Watanabe, Katsumi OYAMA, Yoshihisa Kuramae, Mitsushi Kuroki | 1993-05-18 |
| 5209999 | Electrophotographic tower for negative charging | Masahiko Kubo, Kazuo Fuji, Akihiro Watanabe, Yoshihisa Kuramae | 1993-05-11 |
| 5202730 | Developing process using two-component type magnetic developer | Kazuo Fuji, Akira Nakakuma, Masahiko Kubo, Kazuhisa Edahiro | 1993-04-13 |
| 4849318 | Processes for producing electrophotographic toner | Toshiro Tokuno | 1989-07-18 |