Granted Patent
Utility
US 6,207,739 · App. 09/196,310
Polyamide acid composition containing metal, polyimide film, flexible printed wiring board and method for producing them
Inventors:
Kuzuhiro Ono, Masaru Nishinaka, Kiyokazu Akahori
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Nov 20, 1998
Inventors
Kuzuhiro Ono
Masaru Nishinaka
Kiyokazu Akahori
Assignee (at issue)
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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.