Granted Patent
Utility
US 5,136,388 · App. 07/411,093
Method of evaluating a solid state image sensor using frequency distribution profile
Inventors:
Yoshikazu Sano, Takumi Yamaguchi, Tomoya Tanaka
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Sep 22, 1989
Inventors
Yoshikazu Sano
Takumi Yamaguchi
Tomoya Tanaka
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.