US Patent Application No: 2003/0097,056

Number of patents in Portfolio can not be more than 2000

Biomagnetic field measuring apparatus

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Abstract

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Disclosed is to provide means for supporting the diagnosis by quantitatively measuring the presence of abnormal condition in the heart of a to-be-tested person and the factor thereof (cause of the disease) from the data of magnetic field strengths measured at a plurality of measuring positions. Feature parameters are automatically picked up from the measured data to calculate Mahalanobis distances thereof, and any abnormal function of the heart is detected relying upon the magnitude thereof. Further, chief factors that cause an increase in the Mahalanobis distance are analyzed to specify the cause of a disease.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HITACHI HIGH-TECHNOLOGIES CORPORATIONTOKYO2164
HITACHI, LTD.TOKYO13790

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyashita, Tsuyoshi Fuchuu, JP 34 203
Suzuki, Hiroyuki Hitachinaka, JP 685 5137
Tobita, Tomoyuki Hitachinaka, JP 24 421
Tsukada, Keiji Kashiwa, JP 46 413

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 4,951,674 Biomagnetic analytical system using fiber-optic magnetic sensors 32 1989
 
TOSHIBA MEDICAL SYSTEMS CORPORATION (1)
* 6,187,032 Measurement of intracardiac electrophysiological phenomena 31 1998
 
Takenaka Corporation (1)
* 7,123,952 Cardiac magnetic field diagnozer for atrial flutter and atrial fibrillation and method for identifying electric turning path of atrial flutter and atrial fibrillation 5 2001
 
NATIONAL SECURITY AGENCY (1)
* 7,106,057 High frequency scanning SQUID microscope and method of measuring high frequency magnetic fields 2 2005
 
Heart Map, Inc. (1)
* 4,974,598 EKG system and method using statistical analysis of heartbeats and topographic mapping of body surface potentials 112 1989
 
Biomagnetic Technologies, Inc. (1)
* 4,977,896 Analysis of biological signals using data from arrays of sensors 56 1989
 
LUMA IMAGING CORPORATION (1)
* 6,421,553 Spectral data classification of samples 74 2000
 
DAIKIN INDUSTRIES, LTD. (1)
* 5,211,178 Method and apparatus for synchronously detecting a magnetocardiogram and method and apparatus for synchronously adding magnetocardiograms 9 1991
 
FUJITSU LIMITED (2)
* 5,349,291 Superconducting magnetic sensor having a cryostat for improved sensitivity of magnetic detection 4 1993
* 5,495,849 Biologic magnetometer for determining an electric current distribution in a living organ 7 1994
 
HITACHI, LTD. (1)
* 6,275,719 Biomagnetic field measurement apparatus 12 1999
 
NEW YORK UNIVERSITY (1)
* 6,195,576 Quantitative magnetoencephalogram system and method 40 1998
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
* 2007/0154,077 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor 0 2007
9,053,431 Intelligent control with hierarchical stacked neural networks 0 2014
 
TOSHIBA MEDICAL SYSTEMS CORPORATION (1)
* 8,727,989 Automatic diagnosis support apparatus, ultrasonic diagnosis apparatus, and automatic diagnosis support method 0 2010
 
NIHON KOHDEN CORPORATION (4)
7,907,995 Electrocardiography chart apparatus and method thereof 1 2003
* 2005/0182,333 Electrocardiograohy chart apparatus and method thereof 1 2004
* 8,508,530 Electrocardiogram chart device and method thereof 0 2007
8,688,205 Electrocardiogram chart device and method thereof 0 2011
 
HITACHI, LTD. (5)
* 6,681,131 Apparatus for measuring bio-magnetic fields 16 2001
* 2002/0062,076 Apparatus for measuring bio-magnetic fields 1 2001
* 6,711,281 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, and method of displaying biomagnetic field data, and apparatus therefor 14 2002
7,194,121 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor 1 2004
7,433,506 Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and an apparatus therefor 0 2007
 
DAINIPPON SUMITOMO PHARMA CO., LTD. (2)
* 2008/0021,338 ELECTROCARDIOGRAM CHART DEVICE AND METHOD THEREOF 1 2007
* 2011/0166,469 ELECTROCARDIOGRAM CHART DEVICE AND METHOD THEREOF 0 2011
 
THINKVILLAGE LLC (1)
* 2009/0118,632 Effort-Independent, Portable, User-Operated Capnograph Devices And Related Methods 17 2008
* Cited By Examiner