Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5027745 | Developing apparatus having developer carrying roller with carbon fibers in surface layer | Michihito Yamazaki, Keiji Okano, Kouichi Suwa, Yasuhi Sato, Kimio Nakahata | 1991-07-02 |
| 4989044 | Developing apparatus for developing electrostatic latent images | Michihito Yamazaki, Keiji Okano, Motoi Katoh, Kouichi Suwa, Yasushi Sato +1 more | 1991-01-29 |
| 4959695 | Method and apparatus for forming a multicolor picture by electrophotography | Kazuyuki Shinho, Masahiro Kita | 1990-09-25 |
| 4857959 | Method and apparatus of charging for transfer in electrophotograph device | Kazuyuki Shimbo | 1989-08-15 |
| 4761366 | Medium, apparatus and method for cell separation | Toru Nakajima, Masahiro Sato, Sumiaki Tsuru | 1988-08-02 |