Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751423 | Developing apparatus and image forming apparatus | Satoshi Tsuruya, Seiichi Shinohara, Masahiro Shibata | 2004-06-15 |
| 6714754 | Developing roller for electrophotography, developing apparatus, apparatus unit and image forming apparatus | Yukihiro Ozeki, Makoto Nonomura, Manami Sekiguchi | 2004-03-30 |