Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454883 | High toughness low yield ratio, high fatigue strength steel plate and process of producing same | Atsuhiko Yoshie, Masaaki Fujioka, Takashi Fujita, Shuji Aihara | 1995-10-03 |
| 4591133 | Cooling apparatus for thick steel plate | Masaki Umeno, Keiji Fukuda | 1986-05-27 |
| 4591396 | Method of producing steel having high strength and toughness | Hiroo Mazuda, Hiroshi Tamehiro, Mamoru Ohashi, Shinogu Tamukai | 1986-05-27 |
| 4521258 | Method of making wrought high tension steel having superior low temperature toughness | Hiroshi Tamehiro, Hiroo Mazuda, Mamoru Ohashi | 1985-06-04 |