Akiteru Ueda

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Gate drive power source for electric power converter
- Patent number 5,424,937
- Issue date Jun 13, 1995
- Hitachi, Ltd.
- Ryuji Iyotani
- 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
PWM inverter apparatus for controlling rotating magnetic flux in a....
- Patent number 5,023,538
- Issue date Jun 11, 1991
- Hitachi, Ltd.
- Nobuyoshi Mutoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for controlling AC elevators
- Patent number 4,779,709
- Issue date Oct 25, 1988
- Hitachi, Ltd.
- Nobuo Mitsui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for selectively controlling an operation mode...
- Patent number 4,779,183
- Issue date Oct 18, 1988
- Hitachi, Ltd.
- Nobuyoshi Mutoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for PWM inverter
- Patent number 4,767,976
- Issue date Aug 30, 1988
- Hitachi, Ltd.
- Nobuyoshi Mutoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rectifier control apparatus with improved power factor
- Patent number 4,688,162
- Issue date Aug 18, 1987
- Hitachi, Ltd.
- Nobuyoshi Mutoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current-source power converting apparatus with self-extinction devices
- Patent number 4,672,520
- Issue date Jun 9, 1987
- Hitachi, Ltd.
- Shigeta Ueda
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator control apparatus
- Patent number 4,629,034
- Issue date Dec 16, 1986
- Hitachi, Ltd.
- Hiromi Inaba
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method and apparatus for controlling PWM inverters
- Patent number 4,599,549
- Issue date Jul 8, 1986
- Hitachi, Ltd.
- Nobuyoshi Mutoh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Akiteru Ueda

Person

Patents Grantslast 30 patents

Gate drive power source for electric power converter

Control system for automotive charging generator

PWM inverter apparatus for controlling rotating magnetic flux in a....

Apparatus for controlling AC elevators

Method and apparatus for selectively controlling an operation mode...

Control system for PWM inverter

Rectifier control apparatus with improved power factor

Current-source power converting apparatus with self-extinction devices

Elevator control apparatus

Method and apparatus for controlling PWM inverters