Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178488 | Acoustic device | Toru Nakagawa, Tetsunori Itabashi, Shigetoshi Hayashi, Toru Chinen, Asaya Hondo +1 more | 2021-11-16 |
| 11159886 | Acoustic device | Shigetoshi Hayashi, Tetsunori Itabashi, Toru Nakagawa, Takuma Domae | 2021-10-26 |