Granted Patent
Utility
US 5,650,093 · App. 08/583,743
Liquid crystal composition and a LC display device
Inventors:
Norihisa Hachiya, Etsuo Nakagawa, Toyoshiro Isoyama, Tetsuya Matsushita
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Jan 17, 1996
Inventors
Norihisa Hachiya
Etsuo Nakagawa
Toyoshiro Isoyama
Tetsuya Matsushita
Assignee (at issue)
Chisso Corporation
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.