Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9545658 | Piercing apparatus, plug used for piercing apparatus, and method for producing seamless steel pipe | Kazuhiro Shimoda, Tomio Yamakawa, Kouji Yamane, Yuji Inoue, Kouji Muramatsu | 2017-01-17 |