Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325030 | Voice coil motor driving circuit with retracting function | Norihisa Yamamura, Kotaro Okada | 1994-06-28 |
SU
Shunichi Utsumi
Overall (1994): #67,670 of 165,921Top 45%
1
Patents 1994