Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771628 | Duplex stainless steel and production method therefor | Daisuke Motoya, Masahiko Hamada, Hisashi Amaya, Kenta Yamada | 2017-09-26 |
| 9579870 | Welded joint of duplex stainless steel | Kenta Yamada, Masahiko Hamada, Daisuke Motoya, Hisashi Amaya | 2017-02-28 |