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Patents Grants
last 30 patents
Information
Patent Grant
Electric fuel pump with dicharge-side cover that is isolated from t...
Patent number
8,651,832
Issue date
Feb 18, 2014
Denso Corporation
Motoya Ito
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electric fuel pump
Patent number
8,202,069
Issue date
Jun 19, 2012
Denso Corporation
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fuel pump and method of manufacturing the same
Patent number
8,133,040
Issue date
Mar 13, 2012
Denso Corporation
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Electric motor having resilient member and apparatus for manufactur...
Patent number
7,358,636
Issue date
Apr 15, 2008
Denso Corporation
Makoto Suga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrical motor and fluid pump using the same
Patent number
7,265,466
Issue date
Sep 4, 2007
Denso Corporation
Keiichi Yamashita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fuel pump for high torque in compact structure
Patent number
7,157,828
Issue date
Jan 2, 2007
Denso Corporation
Kiyonori Moroto
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Motor, fuel pump, commutator, and method for manufacturing a commut...
Patent number
7,084,547
Issue date
Aug 1, 2006
Denso Corporation
Kiyonori Moroto
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Apparatus and method for winding multi-layer coil in trapezoidal wi...
Patent number
6,910,654
Issue date
Jun 28, 2005
Denso Corporation
Keisuke Kawano
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Impeller and turbine type fuel pump
Patent number
6,767,179
Issue date
Jul 27, 2004
Denso Corporation
Katsuhiko Kusagaya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Trochoid gear type fuel pump
Patent number
6,761,547
Issue date
Jul 13, 2004
Denso Corporation
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Turbine pump
Patent number
6,729,841
Issue date
May 4, 2004
Denso Corporation
Katsuhiko Kusagaya
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Turbine fuel pump
Patent number
6,702,546
Issue date
Mar 9, 2004
Denso Corporation
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
DC motor and method of controlling the same
Patent number
6,700,281
Issue date
Mar 2, 2004
Denso Corporation
Kiyonori Moroto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Commutator for electric rotary machine and manufacturing method the...
Patent number
6,617,741
Issue date
Sep 9, 2003
Denso Corporation
Motoya Ito
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC motor
Patent number
6,541,889
Issue date
Apr 1, 2003
Denso Corporation
Kiyonori Moroto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Check valve for engine fuel supply system
Patent number
6,502,557
Issue date
Jan 7, 2003
Denso Corporation
Kiyonori Moroto
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Trochoid gear type fuel pump
Patent number
6,481,991
Issue date
Nov 19, 2002
Denso Corporation
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Brushless motor powered by DC power source
Patent number
6,326,748
Issue date
Dec 4, 2001
Denso Corporation
Kiyonori Moroto
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Commutator and method of manufacturing the same
Patent number
6,242,838
Issue date
Jun 5, 2001
Denso Corporation
Kenzo Kiyose
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Commutator for motor using amorphous carbon and fuel pump unit usin...
Patent number
6,114,791
Issue date
Sep 5, 2000
Denso Corporation
Motoya Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fluid pump having pressure pulsation reducing passage
Patent number
6,082,984
Issue date
Jul 4, 2000
Denso Corporation
Tatsuya Matsumoto
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel supply system with fuel evaporation prevention
Patent number
6,067,963
Issue date
May 30, 2000
Nippondenso Co., Ltd.
Kiyotoshi Oi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel supply device
Patent number
6,042,349
Issue date
Mar 28, 2000
Denso Corporation
Motoya Ito
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fuel pump and method of manufacturing the same
Patent number
5,971,687
Issue date
Oct 26, 1999
Denso Corporation
Motoya Ito
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Regenerative pump
Patent number
5,765,992
Issue date
Jun 16, 1998
Denso Corporation
Toshihiko Muramatsu
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
DC motor with improved brushes and liquid pump using the same
Patent number
5,723,932
Issue date
Mar 3, 1998
Nippondenso Co., Ltd.
Motoya Ito
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel supply apparatus and method for supplying fuel according to an...
Patent number
5,718,207
Issue date
Feb 17, 1998
Nippondenso Co., Ltd.
Motoya Ito
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Westco pump and noise suppression structure
Patent number
5,716,191
Issue date
Feb 10, 1998
Nippondenso Co., Ltd.
Motoya Ito
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Westco-type fuel pump having improved impeller
Patent number
5,607,283
Issue date
Mar 4, 1997
Nippondenso Co., Ltd.
Takahiko Kato
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Regenerative pump and casing thereof
Patent number
5,498,124
Issue date
Mar 12, 1996
Nippondenso Co., Ltd.
Motoya Ito
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
FUEL PUMP
Publication number
20120051954
Publication date
Mar 1, 2012
DENSO CORPORATION
Rihito ASAI
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Method for manufacturing electric fuel pump
Publication number
20100287771
Publication date
Nov 18, 2010
DENSO CORPORATION
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
FUEL PUMP AND METHOD OF MANUFACTURING THE SAME
Publication number
20090297364
Publication date
Dec 3, 2009
DENSO CORPORATION
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
ELECTRIC FUEL PUMP
Publication number
20090202368
Publication date
Aug 13, 2009
DENSO CORPORATION
Motoya ITO
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Electric fuel pump and method for manufacturing the same
Publication number
20080063545
Publication date
Mar 13, 2008
DENSO CORPORATION
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Electrical motor and fluid pump using the same
Publication number
20050151440
Publication date
Jul 14, 2005
DENSO CORPORATION
Keiichi Yamashita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Commutator, and electrical motor and fluid pump using the same
Publication number
20050151441
Publication date
Jul 14, 2005
DENSO CORPORATION
Motoya Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electric motor having resilient member and apparatus for manufactur...
Publication number
20050116568
Publication date
Jun 2, 2005
DENSO CORPORATION
Makoto Suga
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Motor, fuel pump, commutator, and method for manufacturing a commut...
Publication number
20040150280
Publication date
Aug 5, 2004
DENSO CORPORATION
Kiyonori Moroto
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Apparatus and method for winding multi-layer coil in trapezoidal wi...
Publication number
20030209627
Publication date
Nov 13, 2003
Keisuke Kawano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fuel pump for high torque in compact structure
Publication number
20030202893
Publication date
Oct 30, 2003
DENSO Corporation
Kiyonori Moroto
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Trochoid gear type fuel pump
Publication number
20030026722
Publication date
Feb 6, 2003
DENSO Corporation
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Impeller and turbine type fuel pump
Publication number
20030026686
Publication date
Feb 6, 2003
Katsuhiko Kusagaya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Turbine fuel pump
Publication number
20030026685
Publication date
Feb 6, 2003
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Turbine pump
Publication number
20020141860
Publication date
Oct 3, 2002
Katsuhiko Kusagaya
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
DC motor
Publication number
20020130583
Publication date
Sep 19, 2002
Kiyonori Moroto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC motor and method of controlling the same
Publication number
20020130579
Publication date
Sep 19, 2002
Kiyonori Moroto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Commutator for electric rotary machine and manufacturing method the...
Publication number
20020121833
Publication date
Sep 5, 2002
Motoya Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Trochoid gear type fuel pump
Publication number
20010026767
Publication date
Oct 4, 2001
Masatoshi Takagi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Check valve for engine fuel supply system
Publication number
20010022172
Publication date
Sep 20, 2001
Kiyonori Moroto
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...