Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11121444 | Directional coupler | Kenta Seki, Katsuya Shimizu | 2021-09-14 |
| 11043978 | Bidirectional coupler | — | 2021-06-22 |
| 10964996 | Bidirectional coupler | Katsuya Shimizu, Yasushi Shigeno, Daisuke Tokuda, Mikiko Fukasawa | 2021-03-30 |