Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8071020 | High strength Cr-Ni alloy material and seamless pipe for oil well | Yohei Otome, Masaaki Igarashi, Hisashi Amaya | 2011-12-06 |
| 8013589 | Semiconductor device | — | 2011-09-06 |
| 7951469 | Welding material and welded joint structure | Takahiro Osuki, Kazuhiro Ogawa | 2011-05-31 |