Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6068177 | Continuous hot rolling method | Shinji Matsuo, Katsuhiro Maeda, Seiji Arizumi, Katsuhiro Minamida, Masahiro Ohara +3 more | 2000-05-30 |
| 5994665 | Method of continuous hot rolling and apparatus for welding steel bars thereof | Masahiro Ohara, Katsuhiro Minamida, Tadatsugu Yoshida, Rokuro Kohno, Atsushi Sugihashi | 1999-11-30 |
| 5814787 | Apparatus for welding steel bars in a continuous hot rolling process | Masahiro Ohara, Katsuhiro Minamida, Tadatsugu Yoshida, Rokuro Kohno, Atsushi Sugihashi | 1998-09-29 |