Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128799 | Conduit interior smoothing device | Yukiaki Nagata, Tadashi Kanayama, Kouichi Itoh | 2000-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128799 | Conduit interior smoothing device | Yukiaki Nagata, Tadashi Kanayama, Kouichi Itoh | 2000-10-10 |