Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320910 | Piezoelectric composite material | Kohji Ogura | 1994-06-14 |
| 5294862 | Ladder-type piezo-electric filter | Yasuhiko Nakagawa | 1994-03-15 |
| 5259099 | Method for manufacturing low noise piezoelectric transducer | Kohji Ogura | 1993-11-09 |
| 5246610 | Piezoelectric composite material | Kohji Ogura | 1993-09-21 |
| 5235298 | Temperature compensated stripline filter for microwaves | Masahiro Nishiki | 1993-08-10 |
| 5168253 | High frequency ladder type piezo-electric filter with differently poled series and parallel resonators | Yasuhiko Nakagawa | 1992-12-01 |
| 4841494 | Underwater piezoelectric arrangement | — | 1989-06-20 |
| 4695988 | Underwater piezoelectric arrangement | — | 1987-09-22 |