Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671380 | Acoustic transducer with spiral-shaped piezoelectric shell | Chung Chang | 2003-12-30 |
HH
Hiroshi Hori
Overall (2003): #212,853 of 273,478Top 80%
1
Patents 2003