Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9782131 | Method and system for self-managed sound enhancement | Charles Andrew Van Hasselt, Chi Shan Anna Kam, Ka Kui Cheng | 2017-10-10 |
| 9584920 | System for fitting audio signals for in-use ear | Ka Kui Cheng | 2017-02-28 |