Makoto Ishii

Person

Utsunomiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Starting control method of and control apparatus for synchronous mo...
- Patent number 6,642,681
- Issue date Nov 4, 2003
- Hitachi, Ltd.
- Yukio Kawabata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controller for PWM/PAM motor, air conditioner, and method of motor...
- Patent number 6,626,002
- Issue date Sep 30, 2003
- Hitachi, Ltd.
- Yasuo Notohara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor controller
- Patent number 6,603,280
- Issue date Aug 5, 2003
- Hitachi, Ltd.
- Yasuo Notohara
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Brushless motor control device and equipment using the control device
- Patent number 6,479,956
- Issue date Nov 12, 2002
- Hitachi, Ltd.
- Yukio Kawabata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Refrigerator
- Patent number 6,367,273
- Issue date Apr 9, 2002
- Hitachi, Ltd.
- Junichi Takagi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Semiconductor device including an integrally molded lead frame
- Patent number 6,291,880
- Issue date Sep 18, 2001
- Hitachi, Ltd.
- Toshio Ogawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Refrigerator
- Patent number 6,244,061
- Issue date Jun 12, 2001
- Hitachi, Ltd.
- Junichi Takagi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Motor controller
- Patent number 6,198,240
- Issue date Mar 6, 2001
- Hitachi, Ltd.
- Yasuo Notohara
- B60 - VEHICLES IN GENERAL
Information Patent Grant
PWM/PAM control mode switching type motor control apparatus, and mo...
- Patent number 6,075,328
- Issue date Jun 13, 2000
- Hitachi, Ltd.
- Yasuo Notohara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Air conditioner
- Patent number 5,929,591
- Issue date Jul 27, 1999
- Hitachi, Ltd.
- Kouji Katou
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Power supply controlled to supply load current formed as sine wave
- Patent number 5,245,522
- Issue date Sep 14, 1993
- Hitachi, Ltd.
- Yasutsugu Kawaguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Starting control method of and control apparatus for synchronous mo...
- Publication number 20020117989
- Publication date Aug 29, 2002
- Yukio Kawabata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Refrigerator
- Publication number 20010035018
- Publication date Nov 1, 2001
- Junichi Takagi
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Motor controller
- Publication number 20010001227
- Publication date May 17, 2001
- Yasuo Notohara
- F24 - HEATING RANGES VENTILATING

Makoto Ishii

Person

Patents Grantslast 30 patents

Starting control method of and control apparatus for synchronous mo...

Controller for PWM/PAM motor, air conditioner, and method of motor...

Motor controller

Brushless motor control device and equipment using the control device

Refrigerator

Semiconductor device including an integrally molded lead frame

Refrigerator

Motor controller

PWM/PAM control mode switching type motor control apparatus, and mo...

Air conditioner

Power supply controlled to supply load current formed as sine wave

Patents Applicationslast 30 patents

Starting control method of and control apparatus for synchronous mo...

Refrigerator

Motor controller