Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938811 | Steel wire for a spring and method for the production thereof | Teruyuki Murai, Hideo Ogita, Seizo Takamuku | 1990-07-03 |
NM
Norihisa Matsushima
Overall (All Time): #3,906,480 of 4,157,543Top 95%
1
Patents All Time