Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201023 | Change-over switch and switch device | Kazufumi Osaki, Akira Ueno | 2021-12-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201023 | Change-over switch and switch device | Kazufumi Osaki, Akira Ueno | 2021-12-14 |