Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443770 | Automatic level control circuit | Hisao Ohtawa | 1984-04-17 |
MI
Manabu Itobayashi
Overall (All Time): #4,033,002 of 4,157,543Top 100%
1
Patents All Time