Granted Patent
Utility
US 5,764,845 · App. 08/265,678
Light guide device, light source device, and liquid crystal display device
Inventors:
Shinpei Nagatani, Fumiaki Yamada, Motohiko Fukuhara
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Jun 24, 1994
Inventors
Shinpei Nagatani
Fumiaki Yamada
Motohiko Fukuhara
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.