Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818074 | High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same | Tetsuo Shimizu, Kei Sakata, Osamu Furukimi | 2004-11-16 |
| 6814819 | Methods of manufacturing hot-dip galvanized hot-rolled and cold-rolled steel sheets excellent in strain age hardening property | Tetsuo Shimizu, Kei Sakata, Osamu Furukimi | 2004-11-09 |
| 6676774 | Hot rolled steel plate and cold rolled steel plate being excellent in strain aging hardening characteristics | Tetsuo Shimizu, Kei Sakata, Osamu Furukimi | 2004-01-13 |