Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11530471 | Rail and method for manufacturing same | Keisuke Ando, Tatsumi Kimura | 2022-12-20 |
| 11492689 | Rail and method for manufacturing same | Keisuke Ando, Tatsumi Kimura | 2022-11-08 |
| 10189065 | Steel pipe, steel pipe structure, method of manufacturing steel pipe, and method of designing steel pipe | Hisakazu Tajika | 2019-01-29 |
| 9833856 | Circumferential welded joint of line pipe, method of forming circumferential welded joint of line pipe, and line pipe | Takahiro Sakimoto, Tomoyuki Yokota | 2017-12-05 |
| 9205475 | UOE steel pipe and structure | Hisakazu Tajika, Takahiro Sakimoto | 2015-12-08 |