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Keizo MATSUI
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Heat pump apparatus
Patent number
7,669,430
Issue date
Mar 2, 2010
Matsushita Electric Industrial Co., Ltd.
Keizo Matsui
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Inverter device and air conditioner using inverter device
Patent number
7,574,873
Issue date
Aug 18, 2009
Panasonic Corporation
Naomi Goto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Synchronous reluctance motor control device
Patent number
6,822,417
Issue date
Nov 23, 2004
Matsushita Electric Industrial Co., Ltd.
Mitsuo Kawaji
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus and method for driving a brushless motor
Patent number
6,512,341
Issue date
Jan 28, 2003
Matsushita Electric Industrial Co., Ltd.
Hideo Matsushiro
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Compressor driving apparatus
Patent number
6,278,910
Issue date
Aug 21, 2001
Matsushita Electric Industrial Co., Ltd.
Kenichiro Miura
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Force sensation exhibiting device data input device and data input...
Patent number
5,778,885
Issue date
Jul 14, 1998
Matsushita Electric Industrial Co.
Yoshiaki Doyama
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Inverter control apparatus
Patent number
5,646,499
Issue date
Jul 8, 1997
Matsushita Electric Industrial Co.,Ltd.
Yoshiaki Doyama
G01 - MEASURING TESTING
Information
Patent Grant
Force sensation exhibiting device, data input device and data input...
Patent number
5,555,894
Issue date
Sep 17, 1996
Matsushita Electric Industrial Co., Ltd.
Yoshiaki Doyama
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
EXPANDER AND HEAT PUMP USING THE EXPANDER
Publication number
20090282845
Publication date
Nov 19, 2009
Matsushita Electric Industrial Co., Ltd.
Hiroshi Hasegawa
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Heat Pump Apparatus
Publication number
20070266720
Publication date
Nov 22, 2007
Keizo Matsui
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
HEAT PUMP APPARATUS USING EXPANDER
Publication number
20070101735
Publication date
May 10, 2007
Matsushita Electric Industrial Co., Ltd.
Keizo MATSUI
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Inverter device and air conditioning system using inverter device
Publication number
20060150651
Publication date
Jul 13, 2006
Naomi Goto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SYNCHRONOUS RELUCTANCE MOTOR CONTROL DEVICE
Publication number
20040201358
Publication date
Oct 14, 2004
Mitsuo Kawaji
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Apparatus and method for driving a brushless motor
Publication number
20020030462
Publication date
Mar 14, 2002
Hideo Matsushiro
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER