Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687111 | Electromagnetic mark device for a magnetism encoder | Dong-Liang Lee, Chi-Ming Yang, Hsin Ming Chang, Chuan-Fu Huang | 2004-02-03 |
| 6680688 | Measuring system and method for detecting object distance by transmitted media with different wave velocities | Hung-Chuan Chien, Dong-Liang Lee, Chi-Ming Yang, Hsin Ming Chang, Chuan-Fu Huang | 2004-01-20 |