Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10848045 | Sound production device | — | 2020-11-24 |
| 10735863 | Sound producing device | Akihiro Tsuchiya | 2020-08-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10848045 | Sound production device | — | 2020-11-24 |
| 10735863 | Sound producing device | Akihiro Tsuchiya | 2020-08-04 |