Granted Patent
Utility
US 6,780,258 · App. 10/041,115
Austenitic stainless steel less susceptible to cracking during forming and a manufacturing method thereof
Inventors:
Junichi Katsuki, Teruyoshi Iida, Takashi Yamauchi, Satoshi Suzuki, Naoto Hiramatsu
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Jan 8, 2002
Inventors
Junichi Katsuki
Teruyoshi Iida
Takashi Yamauchi
Satoshi Suzuki
Naoto Hiramatsu
Assignee (at issue)
Nisshin Steel Co., Ltd.
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.