Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020897 | Joint structure of steel pipe and light metal pipe | Toshiyuki Katayama, Takashi Yagi, Masamichi Matsui | 2011-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020897 | Joint structure of steel pipe and light metal pipe | Toshiyuki Katayama, Takashi Yagi, Masamichi Matsui | 2011-09-20 |