Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441203 | Method for quenching steel pipe, equipment for quenching steel pipe, and method for manufacturing steel pipe | Hiroyuki Fukuda, Hiroyuki Yamasaki, Ryosuke Tachi, Shunsuke Sasaki | 2022-09-13 |