Issued Patents 1994
Showing 1–2 of 2 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 |
Showing 1–2 of 2 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 |