Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4630303 | Speaker system having a movable high range unit | — | 1986-12-16 |
| 4206830 | Vehicle speaker system provided with a passive radiator | Hiroshi Sohma | 1980-06-10 |
TT
Toshihiro Tanno
Overall (All Time): #2,350,781 of 4,157,543Top 60%
2
Patents All Time