Granted Patent
Utility
US 6,830,669 · App. 09/890,761
Biosensor
Inventors:
Shoji Miyazaki, Haruhiro Tsutsumi, Eriko Yamanishi
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Oct 16, 2001
Inventors
Shoji Miyazaki
Haruhiro Tsutsumi
Eriko Yamanishi
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.