Naoki Takata

Person

Narashino, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power conversion device
- Patent number 12,294,328
- Issue date May 6, 2025
- Hitachi Industrial Equipment Systems Co., Ltd.
- Fumihiro Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Temperature detection method of semiconductor device and power conv...
- Patent number 8,423,317
- Issue date Apr 16, 2013
- Hitachi Industrial Equipment Systems Co., Ltd.
- Tomoya Kamezawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Filter apparatus and frequency converter to which the filter appara...
- Patent number 7,643,304
- Issue date Jan 5, 2010
- Hitachi Industrial Equipment Systems Co., Ltd.
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion apparatus including a rectifier circuit and an inv...
- Patent number 7,567,446
- Issue date Jul 28, 2009
- Hitachi Industrial Equipment System Co., Ltd.
- Hidenori Sugino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric circuit module
- Patent number 7,206,204
- Issue date Apr 17, 2007
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kinya Nakatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inverter apparatus with off signal of at least minimum time duration
- Patent number 6,166,935
- Issue date Dec 26, 2000
- Hitachi, Ltd.
- Mutsuo Tokashiki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power Conversion Device
- Publication number 20230291334
- Publication date Sep 14, 2023
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Fumihiro SATO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FILTER APPARATUS AND FREQUENCY CONVERTER TO WHICH THE FILTER APPARA...
- Publication number 20090046434
- Publication date Feb 19, 2009
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FILTER APPARATUS AND FREQUENCY CONVERTER TO WHICH THE FILTER APPARA...
- Publication number 20090046435
- Publication date Feb 19, 2009
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FILTER APPARATUS AND FREQUENCY CONVERTER TO WHICH THE FILTER APPARA...
- Publication number 20090040733
- Publication date Feb 12, 2009
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FILTER APPARATUS AND FREQUENCY COVERTER TO WHICH THE FILTER APPARAT...
- Publication number 20090040743
- Publication date Feb 12, 2009
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power conversion apparatus
- Publication number 20070189046
- Publication date Aug 16, 2007
- Hidenori Sugino
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Temperature detection method of semiconductor device and power conv...
- Publication number 20050197799
- Publication date Sep 8, 2005
- Tomoya Kamezawa
- G01 - MEASURING TESTING
Information Patent Application
Electric circuit module
- Publication number 20050135065
- Publication date Jun 23, 2005
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Kinya Nakatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Filter apparatus and frequency converter to which the filter appara...
- Publication number 20050126811
- Publication date Jun 16, 2005
- Masayuki Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Naoki Takata

Person

Patents Grantslast 30 patents

Power conversion device

Temperature detection method of semiconductor device and power conv...

Filter apparatus and frequency converter to which the filter appara...

Power conversion apparatus including a rectifier circuit and an inv...

Electric circuit module

Inverter apparatus with off signal of at least minimum time duration

Patents Applicationslast 30 patents

Power Conversion Device

FILTER APPARATUS AND FREQUENCY CONVERTER TO WHICH THE FILTER APPARA...

FILTER APPARATUS AND FREQUENCY CONVERTER TO WHICH THE FILTER APPARA...

FILTER APPARATUS AND FREQUENCY CONVERTER TO WHICH THE FILTER APPARA...

FILTER APPARATUS AND FREQUENCY COVERTER TO WHICH THE FILTER APPARAT...

Power conversion apparatus

Temperature detection method of semiconductor device and power conv...

Electric circuit module

Filter apparatus and frequency converter to which the filter appara...