Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498617 | Pulse width modulation circuit, optical write unit, image forming apparatus and optical write method | Hidetoshi Ema | 2002-12-24 |
| 6412411 | Position correcting method and apparatus for ink fountain key in printing press | Hiroyuki Sugiyama | 2002-07-02 |
| 6404300 | Microwave module for separating high frequency transmission signals and high frequency reception signals on the basis of their frequencies | — | 2002-06-11 |