Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6019189 | Noise barrier wall | Hiroshi Shima, Toshiyuki Watanabe, Koich Matsumoto, Toshikazu Osafune | 2000-02-01 |
KN
Kunio Nakasaki
Overall (All Time): #3,605,524 of 4,157,543Top 90%
1
Patents All Time