Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11723993 | Ultraviolet disinfection apparatus | Cho Hang WONG, Pui Yan Wong, Kai Lai CHAN | 2023-08-15 |
| 11696964 | Ultraviolet device | Cho Hang WONG | 2023-07-11 |
| 11664484 | UV LED array with power interconnect and heat sink | Cho Hang WONG | 2023-05-30 |
| 11107962 | UV LED array with power interconnect and heat sink | Cho Hang WONG | 2021-08-31 |
| 11042097 | Multi-mirror UV-LED optical lithography system | Cho Hang WONG | 2021-06-22 |
| 9452766 | Goods fixing structure for a trolley | — | 2016-09-27 |
| 9434399 | Fastening belt structure for a trolley | — | 2016-09-06 |
| D713113 | Trolley recessed fixed frame | Hung-Ching Hsieh | 2014-09-09 |
| D468882 | Handcart | Yung-Shun Hsieh | 2003-01-14 |
| D415600 | Stretchable and foldable cart | Hung-Ching Hsieh | 1999-10-19 |
| D411679 | Handcart | Hung-Ching Hsieh | 1999-06-29 |
| D386309 | Seat frame for suitcase | — | 1997-11-18 |
| D370997 | Tow frame for suitcase | — | 1996-06-25 |