Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10911873 | Method and apparatus for multifunction audio signal controller | Yajun Zhang | 2021-02-02 |
| 10573471 | System for electric load controlling using smart three-way switches | Yajun Zhang | 2020-02-25 |
| 7023883 | Method for providing a network timing reference clock in ethernet-connected VOIP equipment | Albert S. Lui, Uzoma Anozie | 2006-04-04 |