Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8957721 | Level shift circuit | Seiichiro Kihara | 2015-02-17 |
| 5325030 | Voice coil motor driving circuit with retracting function | Norihisa Yamamura, Kotaro Okada | 1994-06-28 |
SU
Shunichi Utsumi
Overall (All Time): #2,022,883 of 4,157,543Top 50%
2
Patents All Time