Katsuji Marumoto

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling motor-driven throttle valve, a...
- Patent number 7,240,665
- Issue date Jul 10, 2007
- Hitachi, Ltd.
- Masatoshi Hoshino
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method and apparatus for motor-driven throttle valve, automobile, m...
- Patent number 6,837,217
- Issue date Jan 4, 2005
- Hitachi, Ltd.
- Masatoshi Hoshino
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronic throttle valve control apparatus
- Patent number 6,390,064
- Issue date May 21, 2002
- Hitachi, Ltd.
- Katsuji Marumoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronic throttle valve control apparatus
- Patent number 6,253,733
- Issue date Jul 3, 2001
- Hitachi, Ltd.
- Katsuji Marumoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronic throttle valve control apparatus
- Patent number 6,055,960
- Issue date May 2, 2000
- Hitachi, Ltd.
- Katsuji Marumoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Throttle valve control apparatus
- Patent number 5,947,086
- Issue date Sep 7, 1999
- Hitachi, Ltd.
- Masatoshi Hoshino
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valve control apparatus for an automobile
- Patent number 5,818,178
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Katsuji Marumoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Charging generator with self-diagnosis function
- Patent number 5,521,486
- Issue date May 28, 1996
- Hitachi, Ltd.
- Nobuo Takamoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device for battery charging AC generator used in motor vehicle
- Patent number 5,448,154
- Issue date Sep 5, 1995
- Hitachi, Ltd.
- Atsushi Kanke
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charging generator for a vehicle including a circuit for suppressin...
- Patent number 5,262,711
- Issue date Nov 16, 1993
- Hitachi, Ltd.
- Yuichi Mori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control apparatus for electric generator
- Patent number 5,231,344
- Issue date Jul 27, 1993
- Hitachi Ltd.
- Katsuji Marumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for automotive charging generator
- Patent number 5,105,143
- Issue date Apr 14, 1992
- Hitachi, Ltd.
- Katsuji Marumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor-driven power steering apparatus
- Patent number 5,033,565
- Issue date Jul 23, 1991
- Hitachi, Ltd.
- Toshimi Abukawa
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Motor-driven power steering apparatus
- Patent number 4,960,178
- Issue date Oct 2, 1990
- Hitachi, Ltd.
- Toshimi Abukawa
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric power steering apparatus for vehicle
- Patent number 4,926,960
- Issue date May 22, 1990
- Hitachi, Ltd.
- Hisatugu Ishikura
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Electric motor-driven power steering apparatus
- Patent number 4,869,334
- Issue date Sep 26, 1989
- Hitachi, Ltd.
- Katsuji Marumoto
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Vehicle height control apparatus responsive to power steering opera...
- Patent number 4,865,148
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Katsuji Marumoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electric power steering apparatus
- Patent number 4,753,309
- Issue date Jun 28, 1988
- Hitachi, Ltd.
- Katsuji Marumoto
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Chopper controller for a D.C. motor
- Patent number 4,580,083
- Issue date Apr 1, 1986
- Hitachi, Ltd.
- Tsutomu Omae
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electromobile control device
- Patent number 4,366,420
- Issue date Dec 28, 1982
- Hitachi, Ltd.
- Tsutomu Omae
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control apparatus for controlling transistor chopper for use in cur...
- Patent number 4,291,259
- Issue date Sep 22, 1981
- Hitachi, Ltd.
- Katsuji Marumoto
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Transistor switching apparatus for use in the control of a D.C. load
- Patent number 4,218,730
- Issue date Aug 19, 1980
- Hitachi, Ltd.
- Katsuji Marumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit for use in control of current supply for electric m...
- Patent number 4,211,961
- Issue date Jul 8, 1980
- Hitachi, Ltd.
- Katsuji Marumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC Chopper device
- Patent number 4,207,478
- Issue date Jun 10, 1980
- Hitachi, Ltd.
- Katsuji Marumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Automatic change-gear control device for use in electromobile
- Patent number 4,174,645
- Issue date Nov 20, 1979
- The Agency of Industrial Science and Technology
- Tsutomu Ohmae
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Sensorless-Brushless Motor Control Device and Electric Fluid Pump U...
- Publication number 20100244754
- Publication date Sep 30, 2010
- HITACHI CAR ENGINEERING CO., LTD.
- Katsuji Marumoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and apparatus for controlling motor-driven throttle valve, a...
- Publication number 20060090731
- Publication date May 4, 2006
- Masatoshi Hoshino
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Method and apparatus for controlling motor-driven throttle valve, a...
- Publication number 20050092295
- Publication date May 5, 2005
- Masatoshi Hoshino
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Electronic throttle valve control apparatus
- Publication number 20010015196
- Publication date Aug 23, 2001
- Hitachi, Ltd.
- Katsuji Marumoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Katsuji Marumoto

Person

Patents Grantslast 30 patents

Method and apparatus for controlling motor-driven throttle valve, a...

Method and apparatus for motor-driven throttle valve, automobile, m...

Electronic throttle valve control apparatus

Electronic throttle valve control apparatus

Electronic throttle valve control apparatus

Throttle valve control apparatus

Valve control apparatus for an automobile

Charging generator with self-diagnosis function

Control device for battery charging AC generator used in motor vehicle

Charging generator for a vehicle including a circuit for suppressin...

Control apparatus for electric generator

Control system for automotive charging generator

Motor-driven power steering apparatus

Motor-driven power steering apparatus

Electric power steering apparatus for vehicle

Electric motor-driven power steering apparatus

Vehicle height control apparatus responsive to power steering opera...

Electric power steering apparatus

Chopper controller for a D.C. motor

Electromobile control device

Control apparatus for controlling transistor chopper for use in cur...

Transistor switching apparatus for use in the control of a D.C. load

Control circuit for use in control of current supply for electric m...

DC Chopper device

Automatic change-gear control device for use in electromobile

Patents Applicationslast 30 patents

Sensorless-Brushless Motor Control Device and Electric Fluid Pump U...

Method and apparatus for controlling motor-driven throttle valve, a...

Method and apparatus for controlling motor-driven throttle valve, a...

Electronic throttle valve control apparatus