Granted Patent
Utility
US 6,792,791 · App. 09/958,886
Inspection chip for sensor measuring instrument
Inventors:
Yoshiharu Sato, Masufumi Koike, Yasuhito Kawamata, Yoshinobu Tokuno
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Dec 12, 2001
Inventors
Yoshiharu Sato
Masufumi Koike
Yasuhito Kawamata
Yoshinobu Tokuno
Assignees (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
ARKRAY, Inc.
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.