Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10782329 | Phase analysis circuit | — | 2020-09-22 |
| 9401695 | Immittance conversion circuit and filter | — | 2016-07-26 |
| 8264263 | Quasi-resonant composite resonance circuit | — | 2012-09-11 |
| 8179209 | Complex resonance circuit | — | 2012-05-15 |
| 7893784 | Composite resonance circuit and oscillation circuit using the circuit | — | 2011-02-22 |
| 6057629 | Piezoelectric vibrator for suppressing harmonic vibrations of lower orders | Kiyoshi Nakamura | 2000-05-02 |
| 4703657 | Gas pressure sensor | Yuji Miyazawa, Haruhiko Kotake | 1987-11-03 |