Ryoichi Takahata

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electric motor drive device
- Patent number 9,325,264
- Issue date Apr 26, 2016
- Hitachi, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive system for synchronous electrical motor
- Patent number 8,884,575
- Issue date Nov 11, 2014
- Hitachi Automotive Systems, Ltd.
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor drive system and synchronous motor
- Patent number 8,878,480
- Issue date Nov 4, 2014
- Hitachi Automotive Systems, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous electric motor drive system
- Patent number 8,766,575
- Issue date Jul 1, 2014
- Hitachi Automotive Systems, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet type electric rotary machine and compressor using...
- Patent number 7,915,776
- Issue date Mar 29, 2011
- Hitachi Industrial Equipment Systems Co., Ltd.
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet type electric rotary machine and compressor using...
- Patent number 7,768,172
- Issue date Aug 3, 2010
- Hitachi Industrial Equipment Systems Co., Ltd.
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vehicular alternator
- Patent number 7,057,327
- Issue date Jun 6, 2006
- Hitachi, Ltd.
- Hiroshi Kanazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet type rotating electric machine
- Patent number 6,838,798
- Issue date Jan 4, 2005
- Hitachi, Ltd.
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet type electric rotating machine
- Patent number 6,759,776
- Issue date Jul 6, 2004
- Hitachi, Ltd.
- Ryoichi Takahata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Permanent magnet type electric rotating machine
- Patent number 6,759,777
- Issue date Jul 6, 2004
- Hitachi, Ltd.
- Ryoichi Takahata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Permanent magnet type rotating electric machine
- Patent number 6,552,461
- Issue date Apr 22, 2003
- Hitachi, Ltd.
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Linear motor
- Patent number 6,541,880
- Issue date Apr 1, 2003
- Hitachi, Ltd.
- Takashi Okada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electric Motor Drive Device
- Publication number 20150155805
- Publication date Jun 4, 2015
- Hitachi, Ltd
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Three-Phase Synchronous Motor Drive Device
- Publication number 20150069941
- Publication date Mar 12, 2015
- Hitachi, Ltd
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Driving System For Synchronous Motor
- Publication number 20140077738
- Publication date Mar 20, 2014
- Hitachi, Ltd
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Drive System For Synchronous Electrical Motor
- Publication number 20130272899
- Publication date Oct 17, 2013
- Hitachi Automotive Systems, Ltd.
- Ryoichi TAKAHATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Synchronous Electric Motor Drive System
- Publication number 20130243625
- Publication date Sep 19, 2013
- HITACHI CAR ENGINEERING CO., LTD.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Synchronous Motor Drive System and Synchronous Motor
- Publication number 20130057193
- Publication date Mar 7, 2013
- Hitachi Automotive Systems, Ltd.
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Permanent Magnet Type Electric Rotary Machine And Compressor Using...
- Publication number 20100244609
- Publication date Sep 30, 2010
- Ryoichi TAKAHATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PERMANENT MAGNET TYPE ELECTRIC ROTARY MACHINE AND COMPRESSOR USING...
- Publication number 20080018190
- Publication date Jan 24, 2008
- Ryoichi TAKAHATA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Permanent magnet type rotating electric machine
- Publication number 20030107291
- Publication date Jun 12, 2003
- Hitachi, Ltd
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Permanent magnet type electric rotating machine
- Publication number 20030067236
- Publication date Apr 10, 2003
- Hitachi, Ltd.
- Ryoichi Takahata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Permanent magnet type electric rotating machine
- Publication number 20030067237
- Publication date Apr 10, 2003
- Ryoichi Takahata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Permanent magnet type rotating electrical machine and air condition...
- Publication number 20020175583
- Publication date Nov 28, 2002
- Satoshi Kikuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Permanent magnet type rotating electrical machine
- Publication number 20020175584
- Publication date Nov 28, 2002
- Haruo Koharagi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Rotor and rotating electrical machine with embedded permanent magnet
- Publication number 20020171309
- Publication date Nov 21, 2002
- Shinichi Wakui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Permanent magnet type rotating electric machine
- Publication number 20020130574
- Publication date Sep 19, 2002
- Ryoichi Takahata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Vehicular alternator
- Publication number 20020117934
- Publication date Aug 29, 2002
- Hitachi, Ltd.
- Hiroshi Kanazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Motor-driven beauty device
- Publication number 20020055695
- Publication date May 9, 2002
- Ryoichi Takahata
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Linear motor
- Publication number 20020050743
- Publication date May 2, 2002
- Takashi Okada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Ryoichi Takahata

Person

Patents Grantslast 30 patents

Electric motor drive device

Drive system for synchronous electrical motor

Synchronous motor drive system and synchronous motor

Synchronous electric motor drive system

Permanent magnet type electric rotary machine and compressor using...

Permanent magnet type electric rotary machine and compressor using...

Vehicular alternator

Permanent magnet type rotating electric machine

Permanent magnet type electric rotating machine

Permanent magnet type electric rotating machine

Permanent magnet type rotating electric machine

Linear motor

Patents Applicationslast 30 patents

Electric Motor Drive Device

Three-Phase Synchronous Motor Drive Device

Driving System For Synchronous Motor

Drive System For Synchronous Electrical Motor

Synchronous Electric Motor Drive System

Synchronous Motor Drive System and Synchronous Motor

Permanent Magnet Type Electric Rotary Machine And Compressor Using...

PERMANENT MAGNET TYPE ELECTRIC ROTARY MACHINE AND COMPRESSOR USING...

Permanent magnet type rotating electric machine

Permanent magnet type electric rotating machine

Permanent magnet type electric rotating machine

Permanent magnet type rotating electrical machine and air condition...

Permanent magnet type rotating electrical machine

Rotor and rotating electrical machine with embedded permanent magnet

Permanent magnet type rotating electric machine

Vehicular alternator

Motor-driven beauty device

Linear motor