Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11471923 | Production method of seamless steel pipe | Kazuhiro Shimoda, Yuji Arai, Akihiro Sakamoto, Yasuhiko Daimon, Haruka Obe | 2022-10-18 |
| 11313005 | Seamless steel pipe and method for producing the seamless steel pipe | Atsushi Soma, Yuji Arai, Yosuke Tatebayashi, Keisuke Furo, Takenori Kuramoto +1 more | 2022-04-26 |
| 11305320 | Method for producing seamless metal pipe | Kazuhiro Shimoda, Yuji Inoue, Shusuke Shimooka, Yuichi Yamanari | 2022-04-19 |