Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9783876 | Stainless steel for oil wells and stainless steel pipe for oil wells | Shinjiro Nakatsuka, Taro Ohe, Hideki Takabe, Yohei Otome, Yusaku Tomio +3 more | 2017-10-10 |
| 9771628 | Duplex stainless steel and production method therefor | Daisuke Motoya, Masahiko Hamada, Hiroyuki Nagayama, Kenta Yamada | 2017-09-26 |
| 9579870 | Welded joint of duplex stainless steel | Hiroyuki Nagayama, Kenta Yamada, Masahiko Hamada, Daisuke Motoya | 2017-02-28 |
| 9555496 | Process for producing welded joint using GMA welding and CO2 as a shielding gas | Kenta Yamada, Masahiko Hamada, Daisuke Motoya, Shinjiro Nakatsuka, Hideki Takabe | 2017-01-31 |