Granted Patent
Utility
US 6,027,455 · App. 09/086,750
Blood pressure estimating apparatus and method
Inventors:
Hidekatsu Inukai, Akihiro Yokozeki, Keizoh Kawaguchi
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: May 29, 1998
Inventors
Hidekatsu Inukai
Akihiro Yokozeki
Keizoh Kawaguchi
Assignee (at issue)
Colin Corporation
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.