Granted Patent
Utility
US 6,344,247 · App. 09/269,287
Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element
Inventors:
Tomoyuki Kondou, Shuichi Matsui, Kazutoshi Miyazawa, Hiroyuki Takeuchi, Yasuhiro Kubo, Fusayuki Takeshita, Etsuo Nakagawa
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Mar 25, 1999
Inventors
Tomoyuki Kondou
Shuichi Matsui
Kazutoshi Miyazawa
Hiroyuki Takeuchi
Yasuhiro Kubo
Fusayuki Takeshita
Etsuo Nakagawa
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.