Granted Patent
Utility
US 6,319,621 · App. 09/451,317
Copper foil having glossy surface with excellent oxidation resistance and method of manufacturing the same
Inventors:
Hideta Arai, Kazuhiko Sakaguchi
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Nov 30, 1999
Inventors
Hideta Arai
Kazuhiko Sakaguchi
Assignee (at issue)
Nikko-Materials 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.