Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857117 | Method of manufacturing a cold-rolled steel sheet having a good deep drawability | Koichi Hashiguchi, Shinobu Okano | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857117 | Method of manufacturing a cold-rolled steel sheet having a good deep drawability | Koichi Hashiguchi, Shinobu Okano | 1989-08-15 |