Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747776 | Semiconductor optical modulator, optical multiplexing module, and control method thereof | Kozo Fujii | 2004-06-08 |
| 6714754 | Developing roller for electrophotography, developing apparatus, apparatus unit and image forming apparatus | Katsuhiro Sakaizawa, Makoto Nonomura, Manami Sekiguchi | 2004-03-30 |