Takashi Tsuboi

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power converting device for reducing an induction problem
- Patent number 5,583,385
- Issue date Dec 10, 1996
- Hitachi, Ltd.
- Akira Horie
- B60 - VEHICLES IN GENERAL
Information Patent Grant
D.C. vacuum circuit breaker for an electric motor vehicle
- Patent number 5,214,557
- Issue date May 25, 1993
- Hitachi, Ltd.
- Mitsuyoshi Hasegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power semiconductors connected antiparallel via heatsinks
- Patent number 4,864,385
- Issue date Sep 5, 1989
- Hitachi, Ltd.
- Hiroshi Itahana
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for controlling reverse-conducting GTO thyristor
- Patent number 4,644,240
- Issue date Feb 17, 1987
- Hitachi, Ltd.
- Akira Horie
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Induction motor control system and method
- Patent number 4,338,558
- Issue date Jul 6, 1982
- Hitachi, Ltd.
- Shigetoshi Okamatsu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control system for electric motor vehicle
- Patent number 4,335,337
- Issue date Jun 15, 1982
- Hitachi, Ltd.
- Shigetoshi Okamatsu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control apparatus for electric car
- Patent number 4,327,313
- Issue date Apr 27, 1982
- Hitachi, Ltd.
- Takashi Tsuboi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control apparatus for an electric car
- Patent number 4,171,506
- Issue date Oct 16, 1979
- Hitachi, Ltd.
- Michimasa Horiuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High harmonic current reducing apparatus in power converter
- Patent number 4,122,515
- Issue date Oct 24, 1978
- Hitachi, Ltd.
- Kyozo Tachibana
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Takashi Tsuboi

Person

Patents Grantslast 30 patents

Power converting device for reducing an induction problem

D.C. vacuum circuit breaker for an electric motor vehicle

Power semiconductors connected antiparallel via heatsinks

Method and apparatus for controlling reverse-conducting GTO thyristor

Induction motor control system and method

Control system for electric motor vehicle

Control apparatus for electric car

Control apparatus for an electric car

High harmonic current reducing apparatus in power converter