Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501012 | Musical apparatus using multiple light beams to control musical tone signals | Shigeru Takahashi | 2002-12-31 |
| 6153822 | Musical apparatus using multiple light beams to control musical tone signals | Shigeru Takahashi | 2000-11-28 |
| 5998727 | Musical apparatus using multiple light beams to control musical tone signals | Shigeru Takahashi | 1999-12-07 |