Granted Patent
Utility
US 6,151,090 · App. 08/672,380
LCD using liquid crystal of ferroelectric and/or antiferroelectric phase having pretilt angle of 1 degree or less
Inventors:
Tomio Tanaka, Jun Ogura, Tetsushi Yoshida
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: May 28, 1996
Inventors
Tomio Tanaka
Jun Ogura
Tetsushi Yoshida
Assignee (at issue)
CASIO COMPUTER 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.