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Shigeru KAKUGAWA
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for analyzing operating point of permanent magnet, program t...
Patent number
8,781,763
Issue date
Jul 15, 2014
Hitachi, Ltd.
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
Rotating electric machine having rotor embedded-permanent-magnets w...
Patent number
RE44037
Issue date
Mar 5, 2013
Hitachi, Ltd.
Fumio Tajima
310 - Electrical generator or motor structure
Information
Patent Grant
Permanent magnet rotating electric machine and electric car using t...
Patent number
8,067,871
Issue date
Nov 29, 2011
Hitachi, Ltd.
Fumio Tajima
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Claw-teeth-type rotating electrical machine
Patent number
7,714,466
Issue date
May 11, 2010
Hitachi Industrial Equipment Systems Co., Ltd.
Masashi Kitamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotating electric machine having rotor embedded-permanent-magnets w...
Patent number
7,521,832
Issue date
Apr 21, 2009
Hitachi, Ltd.
Fumio Tajima
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Nuclear magnetic resonance spectrometer for liquid-solution
Patent number
7,492,159
Issue date
Feb 17, 2009
Hitachi, Ltd.
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
Split type NMR superconductive magnet device and NMR apparatus for...
Patent number
7,292,040
Issue date
Nov 6, 2007
Hitachi, Ltd.
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
NMR analyzer
Patent number
7,212,003
Issue date
May 1, 2007
Hitachi, Ltd.
Katsuzou Aihara
G01 - MEASURING TESTING
Information
Patent Grant
NMR analyzer
Patent number
7,208,954
Issue date
Apr 24, 2007
Hitachi, Ltd.
Katsuzou Aihara
G01 - MEASURING TESTING
Information
Patent Grant
Nuclear magnetic resonance spectrometer for liquid-solution
Patent number
7,190,167
Issue date
Mar 13, 2007
Hitachi, Ltd.
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
Split type NMR Superconductive magnet device and NMR apparatus for...
Patent number
7,154,271
Issue date
Dec 26, 2006
Hitachi, Ltd.
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
Permanent magnet rotating electric machine and electric car using t...
Patent number
7,151,335
Issue date
Dec 19, 2006
Hitachi, Ltd.
Fumio Tajima
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Nuclear magnetic resonance apparatus probe
Patent number
7,138,802
Issue date
Nov 21, 2006
Hitachi, Ltd.
Hiroshi Morita
G01 - MEASURING TESTING
Information
Patent Grant
Nuclear magnetic resonance apparatus probe
Patent number
7,084,634
Issue date
Aug 1, 2006
Hitachi, Ltd.
Hiroshi Morita
G01 - MEASURING TESTING
Information
Patent Grant
Split type NMR magnet device and NMR apparatus for solution analysi...
Patent number
7,053,621
Issue date
May 30, 2006
Hitachi, Ltd.
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
Nuclear magnetic resonance spectrometer using split magnets
Patent number
7,046,007
Issue date
May 16, 2006
Hitachi, Ltd.
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
Nuclear magnetic resonance spectrometer for liquid-solution
Patent number
7,026,817
Issue date
Apr 11, 2006
Hitachi, Ltd.
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
Supersensitive nuclear magnetic resonance micro imaging apparatus
Patent number
6,975,118
Issue date
Dec 13, 2005
Hitachi, Ltd.
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic pole magnet device using the magnetic pole, and magnetic r...
Patent number
6,937,017
Issue date
Aug 30, 2005
Hitachi, Ltd.
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
Supersensitive nuclear magnetic resonance micro imaging apparatus
Patent number
6,937,019
Issue date
Aug 30, 2005
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
Magnet for magnetic resonance imaging apparatus
Patent number
6,909,347
Issue date
Jun 21, 2005
Hitachi, Ltd.
Tsuyoshi Wakuda
G01 - MEASURING TESTING
Information
Patent Grant
Low-leakage magnetic-field magnet and shield coil assembly
Patent number
6,909,348
Issue date
Jun 21, 2005
Hitachi, Ltd.
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
Nuclear magnetic resonance spectrometer for liquid-solution
Patent number
6,897,657
Issue date
May 24, 2005
Hitachi, Ltd.
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
Nuclear magnetic resonance spectrometer using split magnets
Patent number
6,888,352
Issue date
May 3, 2005
Hitachi, Ltd.
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Grant
NMR analyzer
Patent number
6,859,036
Issue date
Feb 22, 2005
Hitachi, Ltd.
Katsuzou Aihara
G01 - MEASURING TESTING
Information
Patent Grant
Magnet apparatus and mri apparatus
Patent number
6,853,281
Issue date
Feb 8, 2005
Hitachi Medical Corporation
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
Nuclear magnetic resonance apparatus probe having a solenoid coil a...
Patent number
6,828,791
Issue date
Dec 7, 2004
Hitachi, Ltd.
Hiroshi Morita
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic resonance imaging apparatus
Patent number
6,816,047
Issue date
Nov 9, 2004
Hitachi Medical Corporation
Hirotaka Takeshima
G01 - MEASURING TESTING
Information
Patent Grant
Open MRI system with a vertical static field and an imaging volume...
Patent number
6,600,318
Issue date
Jul 29, 2003
Hitachi Medical Corporation
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic resonance imaging apparatus
Patent number
6,580,346
Issue date
Jun 17, 2003
Hitachi Medical Corporation
Hirotaka Takeshima
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
ELECTRIC ROTATING MACHINE AND METHOD FOR MANUFACTURING A STATOR COR...
Publication number
20130140930
Publication date
Jun 6, 2013
Hidetoshi Koka
B60 - VEHICLES IN GENERAL
Information
Patent Application
ELECTRIC ROTATING MACHINE AND ELECTRIC VEHICLE USING THE SAME
Publication number
20130127280
Publication date
May 23, 2013
Hitachi, Ltd.
Shinji Sugimoto
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR ANALYZING OPERATING POINT OF PERMANENT MAGNET, PROGRAM T...
Publication number
20120053866
Publication date
Mar 1, 2012
Hitachi, Ltd.
Shigeru KAKUGAWA
G01 - MEASURING TESTING
Information
Patent Application
Permanent Magnet Rotating Electric Machine and Electric Car Using t...
Publication number
20120038236
Publication date
Feb 16, 2012
HITACHI, LTD.
Fumio Tajima
B60 - VEHICLES IN GENERAL
Information
Patent Application
Permanent Magnet Rotating Electric Machine and Electric Car Using t...
Publication number
20090179518
Publication date
Jul 16, 2009
Hitachi, Ltd
Fumio Tajima
B60 - VEHICLES IN GENERAL
Information
Patent Application
Claw-Teeth-Type Rotating Electrical Machine
Publication number
20080018195
Publication date
Jan 24, 2008
Masashi Kitamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
CLAW-POLE TYPE SINGEL-PHASE MOTOR, CLAW-POLE TYPE SINGLE-PHASE MOTO...
Publication number
20080018194
Publication date
Jan 24, 2008
Shigeru KAKUGAWA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SINGLE-PHASE POSITION SENSORLESS PERMANENT MAGNET MOTOR CONTROL APP...
Publication number
20080018289
Publication date
Jan 24, 2008
Fumio Tajima
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
NMR analyzer
Publication number
20070279059
Publication date
Dec 6, 2007
Katsuzou Aihara
G01 - MEASURING TESTING
Information
Patent Application
SINGLE-PHASE MOTOR
Publication number
20070241644
Publication date
Oct 18, 2007
Shigeru Kakugawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Nuclear magnetic resonance spectrometer for liquid-solution
Publication number
20070216414
Publication date
Sep 20, 2007
Hitachi, Ltd
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Application
Permanent Magnet Rotating Electric Machine and Electric Car Using t...
Publication number
20070085436
Publication date
Apr 19, 2007
HITACHI LTD.
Fumio Tajima
B60 - VEHICLES IN GENERAL
Information
Patent Application
NMR magnet device for solution analysis and NMR apparatus
Publication number
20060250134
Publication date
Nov 9, 2006
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Application
Nuclear magnetic resonance apparatus probe
Publication number
20060186885
Publication date
Aug 24, 2006
Hiroshi Morita
G01 - MEASURING TESTING
Information
Patent Application
Nuclear magnetic resonance spectrometer for liquid-solution
Publication number
20060186886
Publication date
Aug 24, 2006
Hitachi, Ltd
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Application
NMR magnet device for solution analysis and NMR apparatus
Publication number
20060125478
Publication date
Jun 15, 2006
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Application
NMR magnet device for solution analysis and NMR apparatus
Publication number
20050253586
Publication date
Nov 17, 2005
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Application
Supersensitive nuclear magnetic resonance imaging apparatus
Publication number
20050248349
Publication date
Nov 10, 2005
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Application
Permanent magnet rotating electric machine and electric car using t...
Publication number
20050200223
Publication date
Sep 15, 2005
HITACHI, LTD.
Fumio Tajima
B60 - VEHICLES IN GENERAL
Information
Patent Application
Nuclear magnetic resonance spectrometer for liquid-solution
Publication number
20050189944
Publication date
Sep 1, 2005
Hitachi, Ltd
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Application
NMR analyzer
Publication number
20050122112
Publication date
Jun 9, 2005
Katsuzou Aihara
G01 - MEASURING TESTING
Information
Patent Application
Nuclear magnetic resonance spectrometer for liquid-solution
Publication number
20050122114
Publication date
Jun 9, 2005
Hitachi, Ltd
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Application
Nuclear magnetic resonance apparatus probe
Publication number
20050083059
Publication date
Apr 21, 2005
Hiroshi Morita
G01 - MEASURING TESTING
Information
Patent Application
NMR analyzer
Publication number
20040245990
Publication date
Dec 9, 2004
Katsuzou Aihara
G01 - MEASURING TESTING
Information
Patent Application
Magnetic pole magnet device using the magnetic pole, and magnetic r...
Publication number
20040124839
Publication date
Jul 1, 2004
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Application
Supersensitive nuclear magnetic resonance imaging apparatus
Publication number
20040046556
Publication date
Mar 11, 2004
Michiya Okada
G01 - MEASURING TESTING
Information
Patent Application
Low-leakage magnetic-field magnet and shield coil assembly
Publication number
20040041673
Publication date
Mar 4, 2004
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Application
NMR magnet device for solution analysis and NMR apparatus
Publication number
20040041565
Publication date
Mar 4, 2004
Shigeru Kakugawa
G01 - MEASURING TESTING
Information
Patent Application
NMR analyzer
Publication number
20030210051
Publication date
Nov 13, 2003
Katsuzou Aihara
G01 - MEASURING TESTING
Information
Patent Application
Supersensitive nuclear magnetic resonance imaging apparatus
Publication number
20030210052
Publication date
Nov 13, 2003
Michiya Okada
G01 - MEASURING TESTING