Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11657941 | Resonant energy stabilizer | — | 2023-05-23 |
| 10121613 | Keyswitch device, keyboard, and membrane circuit board | Pao-Chin Chen, Tsung-Min Chen, Pai-Hsiang Wang, Chun-Wei Lu | 2018-11-06 |
| 9734966 | Membrane circuit board and light-emitting keyboard using the same | Chia-Hsin Chen | 2017-08-15 |
| 8870505 | Riveting assembly | — | 2014-10-28 |
| 8810438 | Membrane circuit board and keyboard having the same | Cheng-Hui Shen | 2014-08-19 |
| 8592702 | Illuminant keyboard device | — | 2013-11-26 |
| 8350172 | Illuminated keyboard | Wen Ching Chiang | 2013-01-08 |
| 8222545 | Keyboard | — | 2012-07-17 |
| 7810961 | Energy-saving light-emitting module | Chia-Hsin Chen | 2010-10-12 |
| 7750261 | Waterproof keyboard | Chia-Hsin Chen | 2010-07-06 |
| 7291037 | Flexible circuit board | — | 2007-11-06 |
| 7045722 | Key structure of computer keyboard | — | 2006-05-16 |
| 6971807 | Waterproof keyboard | Ching-Cheng Cheng | 2005-12-06 |
| 6644874 | Keyboard with liquid-draining function | — | 2003-11-11 |
| 6392176 | Keyswitch of keyboard | — | 2002-05-21 |
| 6259434 | Tactually-activated structure | — | 2001-07-10 |
| 6252184 | Droplet proof keyboard for notebook computer | Wen To Chou | 2001-06-26 |
| 6169255 | Flexible membrane circuit structure for keyswitch | Wen To Chou | 2001-01-02 |
| 6056459 | Balance device for key | — | 2000-05-02 |
| 6040540 | Keyswitch structure | Wen To Chou | 2000-03-21 |
| 5899617 | Flexible component reinforcing mechanism | — | 1999-05-04 |
| 5794762 | Key switch structure | — | 1998-08-18 |
| 5769210 | Scissors-type key switch | — | 1998-06-23 |
| 5770824 | Key switch arrangement for notebook computers | Wen-To Chuo, Fu-Jen Hsu | 1998-06-23 |
| 5763842 | Key switch arrangement for notebook computers | Wen-To Chuo, Fu-Jen Hsu | 1998-06-09 |