Issued Patents 2022
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492688 | Steel material suitable for use in sour environment | Shinji Yoshida | 2022-11-08 |
| 11471923 | Production method of seamless steel pipe | Kouji Yamane, Kazuhiro Shimoda, Akihiro Sakamoto, Yasuhiko Daimon, Haruka Obe | 2022-10-18 |
| 11473177 | Steel material suitable for use in sour environment | Shinji Yoshida | 2022-10-18 |
| 11453925 | Seamless steel pipe and method for producing same | Takeshi Miki, Yusuke Mihara, Yohsuke Uchida, Masahiro Yamazaki, Masayuki Yamamoto | 2022-09-27 |
| 11434554 | Steel material suitable for use in sour environment | Hiroki Kamitani, Atsushi Soma, Keiichi Kondo, Shinji Yoshida | 2022-09-06 |
| 11332813 | Steel material suitable for use in sour environment | Shinji Yoshida, Atsushi Soma, Hiroki Kamitani | 2022-05-17 |
| 11313005 | Seamless steel pipe and method for producing the seamless steel pipe | Atsushi Soma, Yosuke Tatebayashi, Keisuke Furo, Takenori Kuramoto, Hiroki Kamitani +1 more | 2022-04-26 |