Granted Patent
Utility
US 6,599,376 · App. 09/997,386
FE-CR soft magnetic material and a method of manufacturing thereof
Inventors:
Hiroshi Morikawa, Tomoharu Shigetomi, Ryoji Hirota, Takashi Yamauchi
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Nov 29, 2001
Inventors
Hiroshi Morikawa
Tomoharu Shigetomi
Ryoji Hirota
Takashi Yamauchi
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.