Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11523908 | Dysphonia treatment tool | Nobuhiko Isshiki | 2022-12-13 |
| 11517424 | Tool for molding dysphonia treatment tool, and method for bending front piece of dysphonia treatment tool | — | 2022-12-06 |