Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595724 | Tunnel excavating machine and excavating method | Shinichi Konda | 2003-07-22 |
HO
Hirohiko Obayashi
Overall (All Time): #3,517,901 of 4,157,543Top 85%
1
Patents All Time