Granted Patent
Utility
US 5,985,116 · App. 08/989,426
Biosensor
Inventors:
Shin Ikeda, Toshihiko Yoshioka, Shiro Nankai
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Dec 12, 1997
Inventors
Shin Ikeda
Toshihiko Yoshioka
Shiro Nankai
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.