Granted Patent
Utility
US 6,319,338 · App. 09/308,986
High-strength steel plate having high dynamic deformation resistance and method of manufacturing the same
Inventors:
Osamu Kawano, Yuzo Takahashi, Junichi Wakita, Hidesato Mabuchi, Manabu Takahashi, Akihiro Uenishi, Riki Okamoto, Yukihisa Kuriyama, Yasuharu Sakuma
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Jul 6, 1999
Inventors
Osamu Kawano
Yuzo Takahashi
Junichi Wakita
Hidesato Mabuchi
Manabu Takahashi
Akihiro Uenishi
Riki Okamoto
Yukihisa Kuriyama
Yasuharu Sakuma
Assignee (at issue)
NIPPON STEEL CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.