Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484007 | Image forming apparatus featuring a conductive developing roller including a mandrel, an elastic layer, an intermediate layer, and a charge-providing layer formed thereon | Yukihiro Ozeki, Katsuhiro Sakaizawa, Makoto Nonomura | 2002-11-19 |
| 6438331 | Image forming apparatus with cleaning sequence of contact charging members | Katsuhiro Sakaizawa | 2002-08-20 |
| 6397032 | Image forming apparatus including a developer bearing member having multiple layers | Katsuhiro Sakaizawa, Yukihiro Ohzeki | 2002-05-28 |
| 6389253 | Image forming apparatus featuring a regulating member for regulating a number of layers of a developer carried by a developer carrying member | Makoto Nonomura, Yukihiro Ozeki, Katsuhiro Sakaizawa | 2002-05-14 |
| 6345166 | Developer scraping member and developing apparatus | Katsuhiro Sakaizawa, Yukihiro Ohzeki, Makoto Nonomura | 2002-02-05 |