Granted Patent
Utility
US 5,348,685 · App. 08/107,191
Ferroelectric liquid crystal composition
Inventors:
Akihiro Mochizuki, Shigeo Kasahara, Tetsuya Makino, Masashi Watanabe, Masakatsu Nakatsuka, Kunikiyo Yoshio, Masahiro Satoh, Tetsuya Watanabe, Naoko Sugita, Tatsuroh Yanagi
Patented Case
View Patent ↗
Granted: Sep 20, 1994
Filed: Aug 17, 1993
Inventors
Akihiro Mochizuki
Shigeo Kasahara
Tetsuya Makino
Masashi Watanabe
Masakatsu Nakatsuka
Kunikiyo Yoshio
Masahiro Satoh
Tetsuya Watanabe
Naoko Sugita
Tatsuroh Yanagi
Assignees (at issue)
Fujitsu Limited
Mitsui Toatsu Chemicals, Incorporated
SANYO CHEMICAL INDUSTRIES, 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.