Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480289 | Position measuring apparatus and optical deflection angle measuring apparatus for underground excavators | Yoshiaki Shimomura, Naoki Miyanagi | 2002-11-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480289 | Position measuring apparatus and optical deflection angle measuring apparatus for underground excavators | Yoshiaki Shimomura, Naoki Miyanagi | 2002-11-12 |