Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8111869 | Speaker device | Minoru Horigome, Hiroshi Sato, Takuei Nagasawa | 2012-02-07 |
| 5822444 | Loudspeaker | Fumio Murayama | 1998-10-13 |
HO
Hiroya Oizumi
Tohoku Pioneer: 1 patents #179 of 312Top 60%
Tohoku Pioneer Electronic: 1 patents #21 of 73Top 30%
Overall (All Time): #2,085,354 of 4,157,543Top 55%
2
Patents All Time