Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231858 | Method of controlling edge drop in cold rolling of steel | Michio Yamashita, Ikuo Yarita | 1993-08-03 |
| 5061441 | Highly wear-resistant roll steel for cold rolling mills | Ken'ichi Aoki, Yoshikazu Seino, Ken'ichi Tokoro | 1991-10-29 |