Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634988 | High tensile steel having excellent fatigue strength at its weld and weldability and process for producing the same | Katsumi Kurebayashi, Atsushi Seto | 1997-06-03 |
| 5454883 | High toughness low yield ratio, high fatigue strength steel plate and process of producing same | Atsuhiko Yoshie, Masaaki Fujioka, Takashi Fujita, Yasumitsu Onoe | 1995-10-03 |