Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11178075 | Relay device | Yoshifumi Kaku | 2021-11-16 |
| 10356842 | Repeater | Yoshifumi Kaku | 2019-07-16 |
| 10299215 | Relay apparatus | Yoshifumi Kaku | 2019-05-21 |
| 10166881 | Charge-discharge controller | Mitsuhiro Kanayama | 2019-01-01 |
| 10171157 | Repeater | Yoshifumi Kaku | 2019-01-01 |