Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9379089 | Electrical system and core module thereof | Chih-kuang Yang, Cheng-Yi Chang, Yeong-yan Guu | 2016-06-28 |
| 9256209 | Wristwatch structure, electronic core for wristwatch, and method for manufacturing wristwatch | Chih-kuang Yang, Yeong-yan Guu, Cheng-Yi Chang | 2016-02-09 |
| 9223296 | Wristwatch structure, electronic crown for wristwatch, and wristwatch having display | Chih-kuang Yang, Yeong-yan Guu, Cheng-Yi Chang | 2015-12-29 |
| 9182443 | Testing device and testing method thereof | Chih-kuang Yang | 2015-11-10 |