Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806984 | Optical scanning apparatus capable of reducing variations in shading and improving light usage | Kohji Sakai | 2004-10-19 |
| 6704129 | Optical scanning apparatus capable of reducing variations in shading and improving light usage | Kohji Sakai | 2004-03-09 |