Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851059 | Non-magnetic high hardness austenitic stainless steel | Hidehiko Sumitomo, Takanori Nakazawa, Jun Nakatsuka, Yoshiaki Kanai | 1989-07-25 |
| 4537644 | High-tension high-toughness steel having excellent resistance to delayed fracture and method for producing the same | Hiroshi Yada, Mitsuo Honda | 1985-08-27 |
| 4360390 | Method for direct heat treating austenitic stainless steel wire rod | Wataru Shinada, Wataru Murata, Masahiro Ito | 1982-11-23 |
| 4314860 | Method for direct heat treating hot rolled steel wire rod | — | 1982-02-09 |