Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10959020 | Audio signal control circuit and audio signal control method | Mitsutaka Goto, Ken Iwayama | 2021-03-23 |
DH
David Hatmaker
Overall (All Time): #2,717,660 of 4,157,543Top 70%
1
Patents All Time