Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300355 | Vibration damping material | Naoto Mifune, Yasutaka Nagai, Masaaki Ashizawa, Kazuo Nishimoto, Takahiro Niwa +1 more | 1994-04-05 |
MH
Masanori Hansaka
Railway Technical Research Institute: 1 patents #70 of 233Top 35%
Overall (All Time): #3,794,452 of 4,157,543Top 95%
1
Patents All Time