Granted Patent
Utility
US 6,186,953 · App. 09/398,457
Non-invasive and continuous blood-pressure estimation apparatus
Inventor:
Kiyoyuki Narimatsu
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Sep 17, 1999
Inventor
Kiyoyuki Narimatsu
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.