Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7731896 | Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acid | Akira Usami, Shunji Sakamoto, Satoshi Nishimura, Motohiro Okushima | 2010-06-08 |
| 7718014 | Low alloy steel and weld joint thereof excellent in corrosion resistance to hydrochloric acid and sulfuric acid | Akira Usami, Shunji Sakamoto, Satoshi Nishimura, Motohiro Okushima | 2010-05-18 |
| 7231318 | Method for predicting degree of corrosion of weather-resistant steel | Hiroshi Kihira, Yasumori Fujii, Yoshiyuki Harada, Norihito Fujikawa, Hiroshi Takezawa +2 more | 2007-06-12 |