Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294862 | Ladder-type piezo-electric filter | Hisao Banno | 1994-03-15 |
YN
Yasuhiko Nakagawa
Overall (1994): #49,830 of 165,921Top 35%
1
Patents 1994