Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10372227 | Information display device, information display system, and non-transitory computer-readable storage medium | — | 2019-08-06 |
| 10310567 | Acoustic device | Keiichi Imamura | 2019-06-04 |