Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660648 | Microalloyed steel for hot forging free of subsequent quenching and tempering, process for producing hot forging, and a hot forging | Yoshiro Koyasu, Motohide Mori, Masami Suzuki | 1997-08-26 |