Issued Patents 2004
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6683718 | Diffractive optical element and image reader using the same | Takayuki Sugiyama, Motomu Fukasawa, Hidekazu Shimomura | 2004-01-27 |
| 6683707 | Scanning optical apparatus and image forming apparatus using the same | Keiichiro Ishihara, Manabu Kato, Hidekazu Shimomura | 2004-01-27 |