Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045736 | Sound field reproduction system | Masanobu Maeda | 2011-10-25 |
| 7912239 | Flat speaker | Takeshi Nishimura, Masato Sorimachi, Yuuzo Nakajima, Hiroshi Ikeda, Kiyoshi Ootani +2 more | 2011-03-22 |