Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7578157 | Piercing-rolling method and piercing-rolling apparatus for seamless tubes | Kazuhiro Shimoda | 2009-08-25 |
| 7536888 | Process for manufacturing a seamless tube | Kazuhiro Shimoda | 2009-05-26 |
| 7530248 | Plug for use in piercing mill | Kazuhiro Shimoda | 2009-05-12 |
| 7506526 | Seamless tube piercing/rolling plug, and seamless tube producing method using same | Kazuhiro Shimoda | 2009-03-24 |
| 7383710 | Seamless tube piercing/rolling apparatus, and seamless tube producing therewith | Kazuhiro Shimoda | 2008-06-10 |
| 7260966 | Tube shell for manufacturing a seamless steel pipe and a method for its manufacture | Kazuhiro Shimoda, Hiroyuki Semba, Hirofumi Hori, Tsuneo Kondo | 2007-08-28 |
| 7100410 | Method of manufacturing seamless tube | Kazuhiro Shimoda | 2006-09-05 |
| 6988387 | Making method for seamless metallic tube | Hirotsugu Nakaike, Kazuhiro Shimoda, Toshiro Anraku | 2006-01-24 |
| 5713234 | Piercing-rolling method and piercing-rolling apparatus for seamless tubes | Kazuhiro Shimoda | 1998-02-03 |
| 5636542 | Piercing-rolling method and piercing/rolling apparatus for seamless steel tube | Chihiro Hayashi, Kazuhiro Shimoda | 1997-06-10 |
| 5477719 | Inclined-rolling method and inclined rolling apparatus | Masayoshi Akiyama | 1995-12-26 |