Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10937606 | Push-button switch having sound function | Nobuhiko Betsuda, Masahiro Aoyama | 2021-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10937606 | Push-button switch having sound function | Nobuhiko Betsuda, Masahiro Aoyama | 2021-03-02 |