Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7954222 | Key, X-structure and manufacturing method thereof | Chien-Shih Hsu | 2011-06-07 |
| 7882609 | Key, X-structure and manufacturing method thereof | Chien-Shih Hsu | 2011-02-08 |
| 7388167 | Keyboard structure | Chien-Shih Hsu | 2008-06-17 |
| 7336368 | Optical detecting module and optical detector thereof | Kuo-Tong Ma | 2008-02-26 |
| 7239303 | Keyboard structure | Chien-Shih Hsu | 2007-07-03 |
| 6582549 | Method of manufacturing a pointing stick | Jia Liu | 2003-06-24 |
| 6570556 | Pointing stick device and the manufacturing method thereof | Ta-Yuan Lee | 2003-05-27 |
| 6441330 | Keyboard circuit using conduits within a bus for air flow | — | 2002-08-27 |
| 6396016 | Electronic component incorporating push switch and rotary encoder | Chen-Yu Lin | 2002-05-28 |
| 6388219 | Computer keyboard key device made from a rigid printed circuit board | Chien-Shih Hsu | 2002-05-14 |
| 6379061 | Silicon cap for use in the pointing stick device | — | 2002-04-30 |
| 5763840 | Membrane switch with improved actuation sensitivity | — | 1998-06-09 |
| 5743386 | Membrane switch assembly | — | 1998-04-28 |
| 5710397 | Switch actuator for membrane switch | — | 1998-01-20 |
| 5594214 | Signal transmission flat cable | — | 1997-01-14 |