Granted Patent
Utility
US 5,169,556 · App. 07/542,099
Liquid crystal composition
Inventors:
Akihiro Mochizuki, Mitsuaki Hirose, Hideo Hama, Masakatsu Nakatsuka
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Jun 22, 1990
Inventors
Akihiro Mochizuki
Mitsuaki Hirose
Hideo Hama
Masakatsu Nakatsuka
Assignees (at issue)
Fujitsu Limited
Mitsui Toatsu Chem., Inc.
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.