Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7162050 | Compound sound generator | Masahito Furuya | 2007-01-09 |
| 7158650 | Electroacoustic transducer | Masahito Furuya | 2007-01-02 |
| 7142686 | Compound sound generator | Masahito Furuya | 2006-11-28 |