Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313005 | Seamless steel pipe and method for producing the seamless steel pipe | Atsushi Soma, Yuji Arai, Keisuke Furo, Takenori Kuramoto, Hiroki Kamitani +1 more | 2022-04-26 |
| 10300513 | Piercing plug and manufacturing method of piercing plug | Yasuyoshi Hidaka, Yasuto Higashida, Kouji Nakaike, Takateru Inage | 2019-05-28 |
| 9764366 | Method for regenerating a plug for use in a piercing machine | Yasuto Higashida, Yasuyoshi Hidaka, Kazuhiro Shimoda | 2017-09-19 |