Granted Patent
Utility
US 4,324,455 · App. 06/186,043
Liquid crystal composition
Inventors:
Seiichi Imahori, Masaharu Kaneko, Hitoshi Ono, Shuji Imazeki, Akio Mukoh, Hirosada Morishita
Patented Case
View Patent ↗
Granted: Apr 13, 1982
Filed: Sep 11, 1980
Inventors
Seiichi Imahori
Masaharu Kaneko
Hitoshi Ono
Shuji Imazeki
Akio Mukoh
Hirosada Morishita
Assignees (at issue)
Mitsubishi Chemical Industries, Ltd.
HITACHI, 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.