Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11845121 | Metal pipe forming method, metal pipe, and forming system | Masayuki Saika, Masayuki Ishizuka, Norieda Ueno, Kimihiro Nogiwa | 2023-12-19 |
| 11691212 | Arc welding apparatus and arc welding method | — | 2023-07-04 |
| 11642715 | Forming device and metal pipe | Masayuki Ishizuka, Norieda Ueno, Kimihiro Nogiwa | 2023-05-09 |