Yoriyuki Takekawa

Follow

Person

Ohsato-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and device for driving DC brushless motor
- Patent number 5,923,134
- Issue date Jul 13, 1999
- Zexel Corporation
- Yoriyuki Takekawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor driving apparatus for pulse-width modulation controlling a DC...
- Patent number 5,915,070
- Issue date Jun 22, 1999
- Zexel Corporation
- Yoriyuki Takekawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for driving DC brushless motor
- Patent number 5,783,917
- Issue date Jul 21, 1998
- Zexel Corporation
- Yoriyuki Takekawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving apparatus for a commutatorless DC motor
- Patent number 5,663,618
- Issue date Sep 2, 1997
- Zexel Corporation
- Tsuneo Adachi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER