Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12229186 | Place search by audio signals | Yongzhong Lee, Alastair Tse, Hsun Tang, Ken Kawamoto, Ricardo Escutia | 2025-02-18 |
| 11841900 | Place search by audio signals | Yongzhong Lee, Alastair Tse, Hsun Tang, Ken Kawamoto, Ricardo Escutia | 2023-12-12 |
| 11468116 | Place search by audio signals | Yongzhong Lee, Alastair Tse, Hsun Tang, Ken Kawamoto, Ricardo Escutia | 2022-10-11 |
| D948724 | Vision assessment chart | Fuxiang Zhang | 2022-04-12 |
| D643004 | Television receiver | Tatsuya Honda | 2011-08-09 |
| 6508727 | Method for making a bamboo-made golf tee | — | 2003-01-21 |
| 5776011 | Golf club head | Phil Soo Chang | 1998-07-07 |
| 5713800 | Golf club head | — | 1998-02-03 |
| D365614 | Golf club head | — | 1995-12-26 |
| 5087048 | Golf ball | Donald J. C. Sun | 1992-02-11 |