Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302214 | Heat resisting ferritic stainless steel excellent in low temperature toughness, weldability and heat resistance | Yoshihiro Uematsu, Naoto Hiramatsu | 1994-04-12 |
| 5279688 | Steel shaft material which is capable of being directly cut and induction hardened and a method for manufacturing the same | Kenji Isokawa, Toshimitsu Fujii | 1994-01-18 |