Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6726093 | Keyboard and key structure with scissors-shaped frame | Chien-Shih Hsu | 2004-04-27 |
| 6614364 | Rubber membrane used in a computer keyboard | — | 2003-09-02 |
| 6581483 | Air buffer type apparatus for key durability testing | — | 2003-06-24 |
| 6531671 | Membrane circuit board switch with a pressure regulating reservoir | — | 2003-03-11 |
| 6448514 | Elastic strip of keyboard and method for producing the same | — | 2002-09-10 |
| 6137071 | Multiple-width keyswitch capable of inhibiting noise thereof induced during operation | Mao-Sung Huang | 2000-10-24 |