Hiroyuki Yamai

Person

Kusatsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Multiphase current supplying circuit, driving apparatus, compressor...
- Patent number 8,395,874
- Issue date Mar 12, 2013
- Daikin Industries, Ltd.
- Hiroyuki Yamai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multiphase current supplying circuit, driving apparatus, compressor...
- Patent number 7,804,271
- Issue date Sep 28, 2010
- Daikin Industries, Ltd.
- Hiroyuki Yamai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Polyphase current supplying circuit and driving apparatus
- Patent number 7,633,249
- Issue date Dec 15, 2009
- Daikin Industries, Ltd.
- Morimitsu Sekimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor driving method, compressor driving method, device...
- Patent number 6,208,109
- Issue date Mar 27, 2001
- Hiroyuki Yamai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brushless D.C. motor driving and controlling method and apparatus t...
- Patent number 5,804,939
- Issue date Sep 8, 1998
- Hiroyuki Yamai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor system capable of obtaining high efficiency and method for co...
- Patent number 5,739,650
- Issue date Apr 14, 1998
- Daiken Industries, Ltd.
- Taizou Kimura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pulse width modulation control unit of inverter
- Patent number 4,989,128
- Issue date Jan 29, 1991
- Daikin Industries, Ltd.
- Kazunobu Ohyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Multiphase Current Supplying Circuit, Driving Apparatus, Compressor...
- Publication number 20080211449
- Publication date Sep 4, 2008
- Daikin Industries, Ltd.
- Hiroyuki Yamai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Multiphase Current Supplying Circuit, Driving Apparatus, Compressor...
- Publication number 20080104983
- Publication date May 8, 2008
- Daikin Industries, Ltd.
- Hiroyuki Yamai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Polyphase Current Supplying Circuit and Driving Apparatus
- Publication number 20080094864
- Publication date Apr 24, 2008
- Daikin Industries, Ltd.
- Morimitsu Sekimoto
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Inverter control method and its device
- Publication number 20040232863
- Publication date Nov 25, 2004
- Isao Takahashi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Hiroyuki Yamai

Person

Patents Grantslast 30 patents

Multiphase current supplying circuit, driving apparatus, compressor...

Multiphase current supplying circuit, driving apparatus, compressor...

Polyphase current supplying circuit and driving apparatus

Synchronous motor driving method, compressor driving method, device...

Brushless D.C. motor driving and controlling method and apparatus t...

Motor system capable of obtaining high efficiency and method for co...

Pulse width modulation control unit of inverter

Patents Applicationslast 30 patents

Multiphase Current Supplying Circuit, Driving Apparatus, Compressor...

Multiphase Current Supplying Circuit, Driving Apparatus, Compressor...

Polyphase Current Supplying Circuit and Driving Apparatus

Inverter control method and its device