Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8789890 | Abrasion detecting apparatus detecting abrasion of component of cutter head and tunnel boring machine including abrasion detecting apparatus | Hiroyoshi Iwata, Yasunori Kondo, Yoshio Sakai | 2014-07-29 |