Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860363 | Loudspeaker system | Hitoshi Suzuki, Kozo Hara, Shigeru Morita | 1989-08-22 |
SK
Shiro KOGA
Overall (All Time): #3,936,085 of 4,157,543Top 95%
1
Patents All Time