Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084143 | High-yield-ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield-ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same | Shunji Hiwatashi, Yasuharu Sakuma, Atsushi Itami | 2011-12-27 |
| 8057913 | Steel sheet having high young'S modulus, hot-dip galvanized steel sheet using the same, alloyed hot-dip galvanized steel sheet, steel pipe having high young'S modulus and methods for manufacturing the same | Natsuko Sugiura, Shunji Hiwatashi, Manabu Takahashi, Koji Hanya, Nobuyoshi Uno +3 more | 2011-11-15 |
| 8052807 | Steel sheet excellent in workability | Nobuhiro Fujita, Manabu Takahashi, Koji Hashimoto, Shinya Sakamoto, Kaoru Kawasaki +2 more | 2011-11-08 |