Yunquan Chen

Person

Delta, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Non-toxic liquid column sphygmomanometer
- Patent number 7,717,856
- Issue date May 18, 2010
- QDevice Medical Inc.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ear sensor assembly
- Patent number 7,263,396
- Issue date Aug 28, 2007
- Cardiodigital Limited
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Flexible heat exchangers for medical cooling and warming applications
- Patent number 7,077,858
- Issue date Jul 18, 2006
- Coolhead Technologies, Inc.
- R. David Fletcher
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Continuous non-invasive blood pressure monitoring method and apparatus
- Patent number 6,893,401
- Issue date May 17, 2005
- VSM Medtech LTD
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for measuring blood pressure by the oscillomet...
- Patent number 6,719,703
- Issue date Apr 13, 2004
- VSM Medtech Ltd.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for measuring values of physiological parameters
- Patent number 6,602,199
- Issue date Aug 5, 2003
- VSM Technology Inc.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Continuous non-invasive blood pressure monitoring method and apparatus
- Patent number 6,599,251
- Issue date Jul 29, 2003
- VSM Medtech LTD
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus having redundant sensors for continuous monitoring of vit...
- Patent number 6,503,206
- Issue date Jan 7, 2003
- VSM Medtech LTD
- Luya Li
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method and apparatus for measuring values of physiological parameters
- Patent number 6,332,867
- Issue date Dec 25, 2001
- VSM Technology Inc.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Multi-patient monitoring apparatus and method
- Patent number 5,907,291
- Issue date May 25, 1999
- VSM Technology Inc.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Nerve cuff having one or more isolated chambers
- Patent number 5,824,027
- Issue date Oct 20, 1998
- Simon Fraser University
- Joaquin Andreas Hoffer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Recording biological signals using Hilbert transforms
- Patent number 5,497,781
- Issue date Mar 12, 1996
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Brush-tip electrode
- Patent number 5,443,559
- Issue date Aug 22, 1995
- The University of British Columbia
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Biological electrode array
- Patent number 5,299,572
- Issue date Apr 5, 1994
- University of British Columbia
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
CARDIAC DEVICE TESTING
- Publication number 20250032260
- Publication date Jan 30, 2025
- VIVITRO LABS INC.
- Yunquan CHEN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS AND CALIBRATION METHOD FOR BLOOD PRESSURE MEASUREMENT
- Publication number 20120289841
- Publication date Nov 15, 2012
- QDevice Medical, Inc.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR AUTOMATIC ERROR DETECTION IN PRESSURE MEASUREMENT AND AN...
- Publication number 20110092830
- Publication date Apr 21, 2011
- PRECISION MEDICAL TECHNOLOGY LTD.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS AND METHOD FOR DIGITAL SPHYGMOMANOMETER
- Publication number 20110077535
- Publication date Mar 31, 2011
- PRECISION MEDICAL TECHNOLOGY LTD.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Non-toxic liquid column sphygmomanometer
- Publication number 20060247541
- Publication date Nov 2, 2006
- QDevice Medical Inc.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS AND METHODS FOR WARMING AND COOLING BODIES
- Publication number 20060191675
- Publication date Aug 31, 2006
- Coolhead Technologies, Inc.
- R. David FLETCHER
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Flexible heat exchangers
- Publication number 20050061473
- Publication date Mar 24, 2005
- Coolhead Technologies, Inc.
- R. David Fletcher
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Flexible heat exchangers for medical cooling and warming applications
- Publication number 20050065581
- Publication date Mar 24, 2005
- Coolhead Technologies, Inc.
- R. David Fletcher
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Ear sensor assembly
- Publication number 20050033131
- Publication date Feb 10, 2005
- VSM MedTech
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Continuous non-invasive blood pressure monitoring method and apparatus
- Publication number 20030199770
- Publication date Oct 23, 2003
- VSM Medtech Ltd.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method and apparatus for measuring blood pressure by the oscillomet...
- Publication number 20030045801
- Publication date Mar 6, 2003
- VSM Medtech Ltd.
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Continuous non-invasive blood pressure monitoring method and apparatus
- Publication number 20020058876
- Publication date May 16, 2002
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method and apparatus for measuring values of physiological parameters
- Publication number 20020035332
- Publication date Mar 21, 2002
- Yunquan Chen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Yunquan Chen

Person

Patents Grantslast 30 patents

Non-toxic liquid column sphygmomanometer

Ear sensor assembly

Flexible heat exchangers for medical cooling and warming applications

Continuous non-invasive blood pressure monitoring method and apparatus

Method and apparatus for measuring blood pressure by the oscillomet...

Method and apparatus for measuring values of physiological parameters

Continuous non-invasive blood pressure monitoring method and apparatus

Apparatus having redundant sensors for continuous monitoring of vit...

Method and apparatus for measuring values of physiological parameters

Multi-patient monitoring apparatus and method

Nerve cuff having one or more isolated chambers

Recording biological signals using Hilbert transforms

Brush-tip electrode

Biological electrode array

Patents Applicationslast 30 patents

CARDIAC DEVICE TESTING

APPARATUS AND CALIBRATION METHOD FOR BLOOD PRESSURE MEASUREMENT

METHOD FOR AUTOMATIC ERROR DETECTION IN PRESSURE MEASUREMENT AND AN...

APPARATUS AND METHOD FOR DIGITAL SPHYGMOMANOMETER

Non-toxic liquid column sphygmomanometer

APPARATUS AND METHODS FOR WARMING AND COOLING BODIES

Flexible heat exchangers

Flexible heat exchangers for medical cooling and warming applications

Ear sensor assembly

Continuous non-invasive blood pressure monitoring method and apparatus

Method and apparatus for measuring blood pressure by the oscillomet...

Continuous non-invasive blood pressure monitoring method and apparatus

Method and apparatus for measuring values of physiological parameters