Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425278 | Roll changing apparatus of rolling mill | Hisao Matsushima, Mikio Yamamoto, Yoshiki Mito | 2002-07-30 |
HA
Hiroshi Aratani
Overall (2002): #207,405 of 266,432Top 80%
1
Patents 2002