Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7907742 | Exciter for directly vibrating board and speaker apparatus used the same | Yuichi Nakajima, Kiyoshi Ootani, Akira Nishikawa | 2011-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7907742 | Exciter for directly vibrating board and speaker apparatus used the same | Yuichi Nakajima, Kiyoshi Ootani, Akira Nishikawa | 2011-03-15 |