Granted Patent
Utility
US 6,606,139 · App. 10/126,940
Liquid crystal display device with improved viewing angle property and portable electronic apparatus using the same
Inventors:
Katsumasa Yoshii, Tatsuya Moriike, Mitsuru Kano
Patented Case
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Granted: Aug 12, 2003
Filed: Apr 18, 2002
Inventors
Katsumasa Yoshii
Tatsuya Moriike
Mitsuru Kano
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.