Granted Patent
Utility
US 6,373,541 · App. 09/365,883
Reflection type liquid crystal display element
Inventors:
Tomoaki Sekime, Hisanori Yamaguchi, Yoshio Iwai
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Aug 3, 1999
Inventors
Tomoaki Sekime
Hisanori Yamaguchi
Yoshio Iwai
Assignee (at issue)
SUMITOMO ELECTRIC 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.