Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11211678 | Dual-band resonator and dual-band bandpass filter using same | Naoto Sekiya, Takahiro Unno, Tsutomu Tsuruoka, Kazuhito Kishida, Yasuo Sato | 2021-12-28 |
| 10629974 | Tunable dual-band resonator | Naoto Sekiya, Katsuhiro Terao, Kazuhito Kishida, Yasuo Sato | 2020-04-21 |
| 9979064 | Tunable dual-band band-pass filter | Naoto Sekiya, Katsuhiro Terao, Kazuhito Kishida, Yasuo Sato | 2018-05-22 |