Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788822 | Method and device for correcting lightness of image | Xiaomang Zhang, Hiroyuki Okuhata, Akimasa Niwa | 2004-09-07 |
| 6765587 | Image processing apparatus | Xiaomang Zhang, Yasuji Obuchi | 2004-07-20 |