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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic field measuring device
Patent number
11,275,128
Issue date
Mar 15, 2022
National University Corporation Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Grant
Leakage magnetic flux flaw inspection method and device
Patent number
9,146,214
Issue date
Sep 29, 2015
National University Corporation Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Grant
Measuring device and measuring method that use pulsed electromagnet...
Patent number
8,710,440
Issue date
Apr 29, 2014
National University Corporation Okayama University
Toshihiko Kiwa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ion sensor
Patent number
8,608,927
Issue date
Dec 17, 2013
National University Corporation Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Grant
Measurement device for the distribution of chemical concentration
Patent number
8,300,223
Issue date
Oct 30, 2012
National Univeristy Corporation Okayama Univeristy
Toshihiko Kiwa
G01 - MEASURING TESTING
Information
Patent Grant
Gas sensor
Patent number
8,283,704
Issue date
Oct 9, 2012
National University Corporation Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Grant
Living body inspection apparatus
Patent number
7,798,981
Issue date
Sep 21, 2010
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Device for measuring magnetic impedance
Patent number
7,759,931
Issue date
Jul 20, 2010
National University Corporation, Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic detecting device and material identifying device
Patent number
7,525,308
Issue date
Apr 28, 2009
Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Grant
Living body inspection apparatus
Patent number
7,455,648
Issue date
Nov 25, 2008
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of measuring a biomagnetic field, method of analyzing a meas...
Patent number
7,433,506
Issue date
Oct 7, 2008
Hitachi, Ltd.
Kazuhisa Machida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic shields and instruments for measuring biomagnetic fields
Patent number
7,432,705
Issue date
Oct 7, 2008
Hitachi, Ltd.
Yusuke Seki
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring method and apparatus
Patent number
7,403,809
Issue date
Jul 22, 2008
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic measurement apparatus
Patent number
7,400,984
Issue date
Jul 15, 2008
Hitachi High-Technologies, Corp.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic measurement apparatus
Patent number
7,363,070
Issue date
Apr 22, 2008
Hitachi High-Technologies Corporation
Kuniomi Ogata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring apparatus
Patent number
7,340,289
Issue date
Mar 4, 2008
Hitachi High-Technologies Corporation
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Magnetic field measurement apparatus
Patent number
7,193,413
Issue date
Mar 20, 2007
Hitachi High-Technologies Corp.
Akihiko Kandori
G01 - MEASURING TESTING
Information
Patent Grant
Method of measuring a biomagnetic field, method of analyzing a meas...
Patent number
7,194,121
Issue date
Mar 20, 2007
Hitachi, Ltd.
Kazuhisa Machida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for processing biomagnetic field data, magnetic field contou...
Patent number
6,961,605
Issue date
Nov 1, 2005
Hitachi, Ltd.
Hiroyuki Suzuki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic field measurement system
Patent number
6,853,185
Issue date
Feb 8, 2005
Hitachi, Ltd.
Akira Tsukamoto
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic field measurement apparatus
Patent number
6,842,637
Issue date
Jan 11, 2005
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Apparatus for measuring a magnetic field
Patent number
6,815,949
Issue date
Nov 9, 2004
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring apparatus
Patent number
6,745,063
Issue date
Jun 1, 2004
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetic field measuring method and apparatus
Patent number
6,735,460
Issue date
May 11, 2004
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of measuring a biomagnetic field, method of analyzing a meas...
Patent number
6,711,281
Issue date
Mar 23, 2004
Hitachi, Ltd.
Kazuhisa Machida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus for measuring bio-magnetic fields
Patent number
6,681,131
Issue date
Jan 20, 2004
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Gradiometer integrating pickup coils and magnetic field measurement...
Patent number
6,665,552
Issue date
Dec 16, 2003
Hitachi, Ltd.
Koichi Yokosawa
G01 - MEASURING TESTING
Information
Patent Grant
Biomagnetic field measuring apparatus using squid magnetometers for...
Patent number
6,665,553
Issue date
Dec 16, 2003
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biomagnetism measurement device and method of biomagnetism measurem...
Patent number
6,628,978
Issue date
Sep 30, 2003
Hitachi, Ltd.
Shoji Kondo
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Physiological magnetic field measuring instrument for measuring mag...
Patent number
6,609,019
Issue date
Aug 19, 2003
Hitachi, Ltd.
Kenji Teshigawara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
NON-DESTRUCTIVE INSPECTION DEVICE
Publication number
20210072187
Publication date
Mar 11, 2021
National University Corporation Okayama University
Keiji TSUKADA
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC FIELD MEASURING DEVICE
Publication number
20200110140
Publication date
Apr 9, 2020
National University Corporation Okayama University
Keiji TSUKADA
G01 - MEASURING TESTING
Information
Patent Application
Measuring Device and Measuring Method That Use Pulsed Electromagnet...
Publication number
20120305774
Publication date
Dec 6, 2012
National University Corporation Okayama University
Toshihiko Kiwa
G01 - MEASURING TESTING
Information
Patent Application
LEAKAGE MAGNETIC FLUX FLAW INSPECTION METHOD AND DEVICE
Publication number
20120109565
Publication date
May 3, 2012
National University Corporation Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Ion Sensor
Publication number
20110272280
Publication date
Nov 10, 2011
National University Corporation Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Gas Sensor
Publication number
20110169057
Publication date
Jul 14, 2011
National University Corporation Okayama University
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Measurement Device for the Distribution of Chemical Concentration
Publication number
20100220327
Publication date
Sep 2, 2010
Toshihiko Kiwa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
LIVING BODY INSPECTION APPARATUS
Publication number
20090069663
Publication date
Mar 12, 2009
Hitachi, Ltd.
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Magnetic Impedance Measurement Device
Publication number
20080211492
Publication date
Sep 4, 2008
NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Magnetic Detecting Device and Material Identifying Device
Publication number
20080074109
Publication date
Mar 27, 2008
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Method of measuring a biomagnetic field, method of analyzing a meas...
Publication number
20070154077
Publication date
Jul 5, 2007
Kazuhisa Machida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Biomagnetic measurement apparatus
Publication number
20050148844
Publication date
Jul 7, 2005
Kuniomi Ogata
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Living body inspection apparatus
Publication number
20050065422
Publication date
Mar 24, 2005
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Magnetic field measurement apparatus
Publication number
20040263162
Publication date
Dec 30, 2004
Akihiko Kandori
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC FIELD MEASUREMENT SYSTEM
Publication number
20040232912
Publication date
Nov 25, 2004
Akira Tsukamoto
G01 - MEASURING TESTING
Information
Patent Application
Biomagnetic measurement apparatus
Publication number
20040210127
Publication date
Oct 21, 2004
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Biomagnetic field measuring method and apparatus
Publication number
20040193037
Publication date
Sep 30, 2004
Hitachi, Ltd.
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method of measuring a biomagnetic field, method of analyzing a meas...
Publication number
20040158168
Publication date
Aug 12, 2004
Kazuhisa Machida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Magnetic shields and instruments for measuring biomagnetic fields
Publication number
20040106863
Publication date
Jun 3, 2004
Hitachi., Ltd.
Yusuke Seki
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Biomagnetic field measuring apparatus
Publication number
20040034299
Publication date
Feb 19, 2004
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Superconducting magnetic shield
Publication number
20030218872
Publication date
Nov 27, 2003
Keiji Tsukada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Biomagnetic field measuring apparatus
Publication number
20030097056
Publication date
May 22, 2003
Hiroyuki Suzuki
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method of measuring a biomagnetic field, method of analyzing a meas...
Publication number
20030063088
Publication date
Apr 3, 2003
Kazuhisa Machida
G01 - MEASURING TESTING
Information
Patent Application
Apparatus for measuring a magnetic field
Publication number
20030016010
Publication date
Jan 23, 2003
Hitachi, Ltd.
Akihiko Kandori
G01 - MEASURING TESTING
Information
Patent Application
Biomagnetic field measuring method and apparatus
Publication number
20020173714
Publication date
Nov 21, 2002
Hitachi, Ltd.
Keiji Tsukada
G01 - MEASURING TESTING
Information
Patent Application
Biomagnetic field measuring apparatus
Publication number
20020158631
Publication date
Oct 31, 2002
Akihiko Kandori
G01 - MEASURING TESTING
Information
Patent Application
Biomagnetic field measuring apparatus
Publication number
20020115927
Publication date
Aug 22, 2002
Keiji Tsukada
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Gradiometer integrating pickup coils and magnetic field measurement...
Publication number
20020115571
Publication date
Aug 22, 2002
Koichi Yokosawa
G01 - MEASURING TESTING
Information
Patent Application
Apparatus for measuring bio-magnetic fields
Publication number
20020062076
Publication date
May 23, 2002
Akihiko Kandori
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Magnetic field measurement apparatus
Publication number
20020050815
Publication date
May 2, 2002
Daisuke Suzuki
G01 - MEASURING TESTING