Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498324 | Induction heating device for rolling roller and method of induction heating | Tatsufumi Aoi, Keiji Mizuta | 2002-12-24 |
| 6425278 | Roll changing apparatus of rolling mill | Hiroshi Aratani, Hisao Matsushima, Yoshiki Mito | 2002-07-30 |