Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070663 | Damping device for tower-like structure | Shingo Takaeda, Toshihiro Tamaki | 1991-12-10 |
FS
Fujikazu Sakai
Overall (All Time): #3,891,284 of 4,157,543Top 95%
1
Patents All Time