Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10121613 | Keyswitch device, keyboard, and membrane circuit board | Ching-Cheng Tsai, Tsung-Min Chen, Pai-Hsiang Wang, Chun-Wei Lu | 2018-11-06 |
| 8975659 | Chip on board light emitting diode device having dissipation unit array | — | 2015-03-10 |
| 8037586 | Method for fabricating blind via structure of substrate | Wei-Ming Cheng, Shao-Wei Lin | 2011-10-18 |
| 5847337 | Structure of computer keyboard key switch | — | 1998-12-08 |
| 5457297 | Computer keyboard key switch | — | 1995-10-10 |
| 5422790 | Computer chip mounting hardware for heat dissipation | — | 1995-06-06 |
| 5401929 | Structure of computer key switch | — | 1995-03-28 |
| 5399824 | Computer key switch | — | 1995-03-21 |
| 5389755 | Computer key switch device | — | 1995-02-14 |
| 5385282 | Beeper holder | — | 1995-01-31 |
| 5229919 | Hard disk drive case with electrical switch and dust guard for receiving a hard disk drive | — | 1993-07-20 |
| 5209588 | Computer key switch | — | 1993-05-11 |