Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8037732 | Method of producing seamless metal tube and punch for use therein | Kazuhiro Shimoda, Koji Muramatsu, Yuji Inoue | 2011-10-18 |
| 8020421 | Pusher device for piercing and rolling and method of manufacturing seamless pipe or tube using the same | Kazuhiro Shimoda | 2011-09-20 |
| 7866199 | Method for manufacturing seamless steel pipe made of high Cr-high Ni alloy steel | Naoya Hirase, Kazuhiro Shimoda | 2011-01-11 |