Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10603540 | Tongue pressure strengthening training device and tongue pressure strengthening training method | Yoshihiro Yoshiike, Daiki Aruga, Koichiro Toyota, Kazuhiro Tsuga | 2020-03-31 |