Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145144 | Electric door lock | Po-Yang Chen, Chia-Chen Chang, Ming-Sheng Lin | 2018-12-04 |
| 10047544 | Transmission device of electronic lock | Tony Yen, Po-Yang Chen, Wei-Liang Chiang, Rong-Faa Wu, Kun-Chen Lee | 2018-08-14 |
| 8881562 | Mortise lock | Tsung-Chung Huang, Cheng-Chung Liu, Wei-Liang Chiang, Ju-Lin Yang, Ching-Chuan Kuo | 2014-11-11 |
| 8813530 | Push-button type cylinder lock assembly | Ming-Shyang Chiou, Chia-Min Sun, Yu-Ting Huang, Ching-Chuan Kuo | 2014-08-26 |
| 8746760 | Handle-returning device for a cylinder lock assembly | Po-Yang Chen, Kai-Ting Tung, Yu-Ting Huang, Chia-Min Sun, Ching-Chuan Kuo | 2014-06-10 |
| 8505345 | Door lock assembly having a press button in an inner handle | Chia-Min Sun, Sheen-Youl Gao | 2013-08-13 |
| 8371627 | Latch-bolt mechanism operable to allow for idle rotation of an exterior handle | Wei-Liang Chiang, Ting-Cheng Chang, Ching-Chuan Kuo | 2013-02-12 |
| 8316676 | Re-keyable cylinder lock | Wei-Liang Chiang, Ju-Lin Yang, Cheng-Chung Liu, Kun-Chen Lee, Ching-Chuan Kuo | 2012-11-27 |
| D635838 | Door handle spanner | Ching-Chuan Kuo | 2011-04-12 |
| 5884533 | Device for holding and controlling the opening angle of a door | Wen-Liang Huang | 1999-03-23 |
| 5551740 | Retaining assembly for retaining releasably a door at a desired open position to a door frame | San-Yi Lin, Tong-Pei Wu | 1996-09-03 |