Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178488 | Acoustic device | Ryutaro Watanabe, Toru Nakagawa, Tetsunori Itabashi, Shigetoshi Hayashi, Toru Chinen +1 more | 2021-11-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178488 | Acoustic device | Ryutaro Watanabe, Toru Nakagawa, Tetsunori Itabashi, Shigetoshi Hayashi, Toru Chinen +1 more | 2021-11-16 |