Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8223071 | Handheld electronic apparatus and method thereof | Meng-Shu Lee, Wen-Hung Chung | 2012-07-17 |
| 8097987 | Movable magnet type linear motor with improved end cover assembly | Chih-Hsien Chao | 2012-01-17 |
| 7938237 | Brake structure for a main shaft of a direct drive torque motor | Chih-Hsien Chao | 2011-05-10 |
| 7939974 | Movable magnet type linear motor with heat-dissipating assembly | Chih-Hsien Chao | 2011-05-10 |
| 7886625 | Actuator with self-locking assist device | — | 2011-02-15 |
| 7633199 | Direct drive torque motor | Chih-Hsien Chao | 2009-12-15 |
| D589994 | Direct-drive torque motor | Chih-Hsien Chao | 2009-04-07 |
| D589993 | Direct drive torque motor | Chih-Hsien Chao | 2009-04-07 |
| 7499557 | Driving method of speaker and the driving circuit thereof | Brian Hang Wai Yang, Kuo-Hsiang Chen | 2009-03-03 |
| 7474025 | Main shaft clearance eliminating structure for a direct drive torque motor | Chih-Hsien Chao | 2009-01-06 |
| D567802 | Remote control | — | 2008-04-29 |
| D563906 | Remote control | — | 2008-03-11 |
| 7062336 | Time-division method for playing multi-channel voice signals | Brian Hang Wai Yang, Kuo-Hsiang Chen | 2006-06-13 |
| D496259 | Caster | — | 2004-09-21 |
| D494786 | Base stand for a seat | — | 2004-08-24 |
| D492894 | Caster | — | 2004-07-13 |
| 6034669 | Joystick control device having cursor correcting function | Ting-Chi Chiang, Huai-Yi Chen | 2000-03-07 |