Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444889 | Registration apparatus and method for electronic musical instruments | — | 2002-09-03 |
| 6410839 | Apparatus and method for automatic musical accompaniment while guiding chord patterns for play | Rika Okubo | 2002-06-25 |