Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342972 | Microwave device employing coaxial resonator | Youhei Ishikawa, Sadahiro Tamura, Haruo Matsumoto | 1982-08-03 |
| 4325035 | Oscillator using dielectric resonator | Yoji Ito, Youhei Ishikawa, Sadahiro Tamura | 1982-04-13 |
| 4321560 | Oscillator using dielectric resonator | Yoji Ito, Youhei Ishikawa, Sadahiro Tamura | 1982-03-23 |