Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10084225 | Directional coupler | Yuta ASHIDA, Noriaki Ootsuka, Takeshi Kijima, Tetsuzo Goto | 2018-09-25 |
| 9893407 | Directional coupler | Noriaki Ootsuka, Takeshi Kijima | 2018-02-13 |
| 9893408 | Directional coupler | Yuta ASHIDA, Noriaki Ootsuka, Tetsuzo Goto, Takeshi Kijima | 2018-02-13 |