Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350753 | Method for monitoring welding of electric resistance welded steel pipe, method for manufacturing electric resistance welded steel pipe, device for monitoring welding of electric resistance welded steel pipe, and device for manufacturing electric resistance welded steel pipe | Noboru Hasegawa, Takashi Miyakawa, Michimasa Mukai | 2025-07-08 |
| 9446473 | Electric resistance welding operation management device, electric resistance welding operation management method, and computer program | Noboru Hasegawa, Nobuo Mizuhashi, Hideki Hamatani, Yoshifumi Karube, Takao Miura +2 more | 2016-09-20 |