Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359462 | Lock case interlockable with an anti-theft latch | — | 2025-07-15 |
| 12338656 | Heavy duty lock case | — | 2025-06-24 |
| 12297659 | Lock case with an anti-pick function | — | 2025-05-13 |
| 12215522 | Electronic control door lock | — | 2025-02-04 |
| 12104405 | Door lock permitting electric locking and unlocking | — | 2024-10-01 |
| 11814876 | Lock device with a clutch | — | 2023-11-14 |
| 10269544 | Gas ring for plasma system and method of manufacturing the same | Wen-Pao Tsai, Chung-Hsien Liao | 2019-04-23 |
| 9784017 | Lock device with a electric locking function | — | 2017-10-10 |
| 9680197 | Micro bandpass filter | Ta-Jen Yen, Ruei-Han Jiang, Yu-Kai Wang | 2017-06-13 |
| 9378596 | Door access control system | Jimmy Shen | 2016-06-28 |
| 9378597 | Door access control system with a cloud function | Jimmy Shen | 2016-06-28 |
| 9225050 | Wideband high frequency bandpass filter | Ta-Jen Yen, Ruei-Han Jiang, Ai-Ping Yen | 2015-12-29 |