Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384550 | Speaker and drive device therefor | Hideaki Miyakawa, Kenichi Nagasawa, Reiji Mitarai | 2002-05-07 |
MS
Masaichi Satoh
Overall (All Time): #3,543,667 of 4,157,543Top 90%
1
Patents All Time