Granted Patent
Utility
US 6,319,570 · App. 09/597,280
Liquid crystalline compound, liquid crystal composition comprising the liquid crystal-line compound, and liquid crystal display device using the liquid crystal composition
Inventors:
Tugumiti Andou, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasuyuki Koizumi, Yasuko Sekiguchi, Etsuo Nakagawa, Fusayuki Takeshita
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Jun 19, 2000
Inventors
Tugumiti Andou
Shuichi Matsui
Kazutoshi Miyazawa
Hiroyuki Takeuchi
Yasuyuki Koizumi
Yasuko Sekiguchi
Etsuo Nakagawa
Fusayuki Takeshita
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.