Issued Patents 2003
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 (2003): #211,214 of 273,478Top 80%
1
Patents 2003