Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514113 | Metal pipe having thickened end portion, and method of manufacturing same | Masaaki Mizumura | 2019-12-24 |
| 10335843 | Method for manufacturing bent member, and hot-bending apparatus for steel material | Atsushi Tomizawa, Naoaki Shimada | 2019-07-02 |