Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513529 | Audio system and method of controlling conveyer device | Taku Ueda, Hisashi Nagai, Yuji Sakurai, Hisanobu Suzuki | 2022-11-29 |
| 11216243 | Audio visual device, playback method, and playback system | Hisashi Nagai | 2022-01-04 |