Granted Patent
Utility
US 5,406,396 · App. 08/274,388
Liquid crystal display device using uniaxial birefringent films for improving viewing angle
Inventors:
Minoru Akatsuka, Yuji Sohda, Kazutoshi Sawada
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jul 13, 1994
Inventors
Minoru Akatsuka
Yuji Sohda
Kazutoshi Sawada
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.