Granted Patent
Utility
US 5,976,684 · App. 08/990,091
Organic substrate provided with a light absorptive antireflection film and process for its production
Inventors:
Takuji Oyama, Hisashi Ohsaki, Tomohiro Yamada, Toshihiko Higuchi
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Dec 12, 1997
Inventors
Takuji Oyama
Hisashi Ohsaki
Tomohiro Yamada
Toshihiko Higuchi
Assignee (at issue)
ASAHI GLASS 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.