Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11665030 | Relay device | Yoshifumi Kaku | 2023-05-30 |
| 11388133 | Network switch | Yoshifumi Kaku | 2022-07-12 |
| 11290308 | Relay device | Yoshifumi Kaku | 2022-03-29 |
| 11283713 | Relay device | Yoshifumi Kaku | 2022-03-22 |
| 11252104 | Relay apparatus | Yoshifumi Kaku, Yasuhiro Kotani, Kazuya Ohata | 2022-02-15 |
| 11184297 | Relay device | Yoshifumi Kaku | 2021-11-23 |
| 11171871 | Relay apparatus | Yoshifumi Kaku | 2021-11-09 |
| 11146496 | Relay device | Yoshifumi Kaku | 2021-10-12 |
| 11128577 | Relay apparatus | Yoshifumi Kaku | 2021-09-21 |
| 10958475 | Repeater device | Yoshifumi Kaku | 2021-03-23 |
| 10771400 | Relay device | Yoshifumi Kaku | 2020-09-08 |