Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10707546 | Dielectric filter unit comprising three or more dielectric blocks and a transmission line for providing electromagnetically coupling among the dielectric resonators | Akio Yamamoto, Hiromichi Yoshikawa | 2020-07-07 |
| 10693205 | Resonator, filter, and communication device | Hiromichi Yoshikawa, Katsuro Nakamata | 2020-06-23 |