Granted Patent
Utility
US 6,350,844 · App. 09/434,179
Polyimide film and electric/electronic equipment bases with the use thereof
Inventors:
Kazuhiro Ono, Kiyokazu Akahori, Hidehito Nishimura
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Nov 5, 1999
Inventors
Kazuhiro Ono
Kiyokazu Akahori
Hidehito Nishimura
Assignee (at issue)
KANEKA 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.