Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9403505 | Seat belt presenter | Hang Fung Chang, Hang Cheong Ma | 2016-08-02 |
| 9272686 | Seat belt buckle assembly | Hang Fung Chang, Hang Cheong Ma | 2016-03-01 |
| 8783723 | Safety belt system and belt winder | Hang Fung Chang, Hang Cheong Ma | 2014-07-22 |