Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9035885 | Optical input apparatus | Yung-Lung Liu | 2015-05-19 |
| 8247714 | Back lighted membrane keyboard with components being secured together by subjecting to ultrasonic welding | — | 2012-08-21 |
| 7969718 | Computer keyboard with transparent covers for protecting key characters | — | 2011-06-28 |
| 7939773 | Illuminated keyboard with a light guide plate | — | 2011-05-10 |
| 7897885 | Digitizer pen capable of utilizing solar power | — | 2011-03-01 |
| 7847204 | Multicolor transparent computer keyboard | — | 2010-12-07 |
| 7608792 | Membrane keyboard/keypad with arrangement for uniformly lighting keys from background | — | 2009-10-27 |
| 7565180 | Dial system for a steering wheel of an automobile | — | 2009-07-21 |
| 7548770 | Dial system for a steering wheel of an automobile | — | 2009-06-16 |
| 7304860 | Printed circuit board with thin film switches for a keyboard | — | 2007-12-04 |
| 7301112 | Illuminating keyboard | — | 2007-11-27 |
| 7280369 | Multi-layer printed circuit board for a keyboard | — | 2007-10-09 |
| 7057125 | Backlighting keyboard | — | 2006-06-06 |
| 6958458 | Key switch device having high drawability | — | 2005-10-25 |
| 6906272 | Key switch device having high drawability | — | 2005-06-14 |
| 6805507 | Keyboard device | — | 2004-10-19 |
| 6567676 | Dial communication system of a steering wheel of an automobile | — | 2003-05-20 |
| 6538642 | Portable input apparatus | — | 2003-03-25 |
| 6496365 | Input apparatus for wireless communications with a portable computerized apparatus | — | 2002-12-17 |
| 6339700 | Dial device for steering wheel of an automobile | — | 2002-01-15 |
| 6156986 | Computer key switch | — | 2000-12-05 |
| D433682 | Wireless keyboard | — | 2000-11-14 |
| D427596 | Multi-media home computer terminal | — | 2000-07-04 |
| 6020566 | Device of balancing lever in a multiplicative key | — | 2000-02-01 |
| 5994655 | Key switch assembly for a computer keyboard | — | 1999-11-30 |