Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11072944 | Electronic lock | — | 2021-07-27 |
| 9347241 | Pushbutton-type easy-code-change handle lock | — | 2016-05-24 |
| 9181730 | Driving structure of electronic lock | — | 2015-11-10 |
| 8356499 | Electric lock | — | 2013-01-22 |
| 7712800 | Fireproof door lock assembly | — | 2010-05-11 |
| 7712799 | Hidden lock locked to an inner side of a doorplate | — | 2010-05-11 |
| 6974163 | Tubular door lock having selective actuators | Alan Liang, Chih-Hung Hsiao | 2005-12-13 |
| 6935149 | Electric door lock openable by key | Alan Liang, Chih-Hung Hsiao | 2005-08-30 |
| D502859 | Electric lock device | Alan Liang, Chih-Hung Hsiao | 2005-03-15 |
| 6623050 | Safety and anti-theft door lock assembly | — | 2003-09-23 |