Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582235 | Method and apparatus for displaying music piece data such as lyrics and chord data | Tom Jen Tsai | 2003-06-24 |
| 6504090 | Apparatus and method for practice and evaluation of musical performance of chords | Tom Jen Tsai | 2003-01-07 |
| 6346666 | Apparatus and method for practice and evaluation of musical performance of chords | Tom Jen Tsai | 2002-02-12 |