Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10356535 | Method and system for self-managed sound enhancement | Charles Andrew Van Hasselt, Pui Tong Paul Lee, Ka Kui Cheng | 2019-07-16 |
| 9782131 | Method and system for self-managed sound enhancement | Charles Andrew Van Hasselt, Pui Tong Paul Lee, Ka Kui Cheng | 2017-10-10 |
| 9468401 | Method and system for self-managed sound enhancement | Charles Andrew Van Hasselt, Pui Tong Paul Lee, Ka Kui Cheng | 2016-10-18 |
| 9138178 | Method and system for self-managed sound enhancement | Pui Tong Paul Lee, Ka Kui Cheng, Ka Keung John Sung, Ka Cheong Terence Wong, Charles Andrew Van Hasselt +1 more | 2015-09-22 |
| 5570459 | Delivering and fetching font information | — | 1996-10-29 |