Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5027745 | Developing apparatus having developer carrying roller with carbon fibers in surface layer | Michihito Yamazaki, Katsuhiko Nishimura, Kouichi Suwa, Yasuhi Sato, Kimio Nakahata | 1991-07-02 |
| 4989044 | Developing apparatus for developing electrostatic latent images | Katsuhiko Nishimura, Michihito Yamazaki, Motoi Katoh, Kouichi Suwa, Yasushi Sato +1 more | 1991-01-29 |