Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998647 | Electrical connector | Chia-Hsin Tsai, Charles C. Lee, Yu-Cheng Chang | 2015-04-07 |
| 8876558 | Electrical connector | Charles C. Lee, Chia-Hsin Tsai, Yu-Cheng Chang | 2014-11-04 |
| 8638551 | Card reader having communicating function | Chia-Hsin Tsai | 2014-01-28 |
| 6662831 | Depression container | — | 2003-12-16 |
| 6652251 | Electric pump | — | 2003-11-25 |
| 6635336 | Luminescent mouse pad | Chih-Shen Chen | 2003-10-21 |
| 6609536 | Depression cap for a bottle | — | 2003-08-26 |
| 6578980 | Socket device and switch device with luminescent device | Chih-Shen Chen | 2003-06-17 |
| 6470924 | Depression container | — | 2002-10-29 |
| 6202450 | Uniform yarn delivery method and apparatus for knitting machine | — | 2001-03-20 |
| 5261586 | Yarn feeding device with a guiding flange | — | 1993-11-16 |
| 5048312 | Slip-proof elastic yarn feeding ring device removably mounted on yarn-feeding drum | — | 1991-09-17 |
| D315914 | Yarn feeder | — | 1991-04-02 |
| 4953348 | Synchronous yarn feeding device | — | 1990-09-04 |