Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8390732 | Method for adjusting a focal length of a camera | Keng-Tuan Chang | 2013-03-05 |
| 8295672 | Video recorder and method for detecting sound occurrence | DA-LONG LEE | 2012-10-23 |
| 8253527 | Alarm system and method for warning of emergencies | Tse-Chung Yang | 2012-08-28 |
| 8248250 | Personal water safety device and method thereof | Chien-Lin Chen | 2012-08-21 |
| 8248251 | Personal water safety device | Chien-Lin Chen | 2012-08-21 |
| 8208345 | Personal water safety device and method thereof | Chien-Lin Chen | 2012-06-26 |