Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501845 | Electroacoustic transducer | Youichi Gotoh, Yoshiharu Oishi, Susumu Tanikawa, Morimasa Fushimi | 2002-12-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501845 | Electroacoustic transducer | Youichi Gotoh, Yoshiharu Oishi, Susumu Tanikawa, Morimasa Fushimi | 2002-12-31 |