Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4909121 | Tone signal generation device with reasonance tone effect | Hideo Suzuki | 1990-03-20 |
SU
Satoshi Usa
Overall (All Time): #53,008 of 4,157,543Top 2%
51
Patents All Time