Granted Patent
Utility
US 5,570,210 · App. 08/188,901
Liquid crystal display device with directional backlight and image production capability in the light scattering mode
Inventors:
Hidefumi Yoshida, Kazutaka Hanaoka, Kimiaki Nakamura, Hideaki Tsuda, Fumiaki Yamada
Patented Case
View Patent ↗
Granted: Oct 29, 1996
Filed: Jan 31, 1994
Inventors
Hidefumi Yoshida
Kazutaka Hanaoka
Kimiaki Nakamura
Hideaki Tsuda
Fumiaki Yamada
Assignee (at issue)
Fujitsu Limited
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.