Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803935 | Method for generating a watermark on a photo picture using a thermal printer | Hsu-Chu Chien | 2004-10-12 |
| 6726383 | Color printer with a single sensor for detecting ink ribbon position | — | 2004-04-27 |
| 6686944 | Method for recognizing a color of a printing ribbon and ribbon format thereof | Sheng-Chih Lin | 2004-02-03 |