Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073149 | Loudspeaker device | — | 2011-12-06 |
| 7974423 | Loudspeaker system | Toshiyuki Matsumura, Shuji Saiki, Sawako Kano | 2011-07-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073149 | Loudspeaker device | — | 2011-12-06 |
| 7974423 | Loudspeaker system | Toshiyuki Matsumura, Shuji Saiki, Sawako Kano | 2011-07-05 |