Granted Patent
Utility
US 6,219,117 · App. 09/411,850
Liquid crystal display device
Inventors:
Hideaki Nagakubo, Mitsuaki Yamazaki, Satoshi Matsubara, Ryohei Kakuta
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Oct 4, 1999
Inventors
Hideaki Nagakubo
Mitsuaki Yamazaki
Satoshi Matsubara
Ryohei Kakuta
Assignee (at issue)
ALPS ELECTRIC 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.