Kazuhiko Hiramatsu

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power conversion apparatus
- Patent number 8,670,257
- Issue date Mar 11, 2014
- Kabushiki Kaisha Yaskawa Denki
- Kazuhiko Hiramatsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of decelerating alternating current motor and inverter appar...
- Patent number 7,800,338
- Issue date Sep 21, 2010
- Kabushiki Kaisha Yaskawa Denki
- Hideaki Iura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter apparatus and method of reducing speed of alternating curr...
- Patent number 7,612,518
- Issue date Nov 3, 2009
- Kabushiki Kaisha Yaskawa Denki
- Hideaki Iura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charge control method of capacitor in thyristor converter
- Patent number 7,368,891
- Issue date May 6, 2008
- Kabushiki Kaisha Yaskawa Denki
- Hajime Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
MOTOR CONTROL DEVICE
- Publication number 20240396478
- Publication date Nov 28, 2024
- Kabushiki Kaisha Yaskawa Denki
- Shinichi AKIMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION APPARATUS
- Publication number 20130058144
- Publication date Mar 7, 2013
- KABUSHIKI KAISHA YASKAWA DENKI
- Kazuhiko HIRAMATSU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Inverter Apparatus and Method of Reducing Speed of Alternating Curr...
- Publication number 20070216328
- Publication date Sep 20, 2007
- KABUSHIKI KAISHA YASKAWA DENKI
- Hideaki Iura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Open-phase detecting method and apparatus
- Publication number 20060186892
- Publication date Aug 24, 2006
- KABUSHIKI KAISHA YASKAWA DENKI
- Kazuhiko Hiramatsu
- G01 - MEASURING TESTING
Information Patent Application
Charge control method of capacitor in thyristor converter
- Publication number 20060186861
- Publication date Aug 24, 2006
- KABUSHIKI KAISHA YASKAWA DENKI
- Hajime Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER