Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10189065 | Steel pipe, steel pipe structure, method of manufacturing steel pipe, and method of designing steel pipe | Satoshi Igi | 2019-01-29 |
| 9205475 | UOE steel pipe and structure | Takahiro Sakimoto, Satoshi Igi | 2015-12-08 |