Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9718150 | Weld metal excellent in hydrogen embrittlement resistance | Hidenori Nako, Wataru Urushihara, Munenobu Sato, Yoshihiko Kitagawa | 2017-08-01 |
| 9650704 | Seamless steel pipe for hollow spring | Hitoshi Hatano, Eiichi Tamura, Kotaro Toyotake | 2017-05-16 |
| 9592575 | Weld metal having excellent resistance to hydrogen embrittlement susceptibility | Hidenori Nako, Wataru Urushihara, Munenobu Sato, Yoshihiko Kitagawa | 2017-03-14 |