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Masaharu Hoashi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Motor drive apparatus
Patent number
8,018,189
Issue date
Sep 13, 2011
Renesas Electronics Corporation
Satoshi Narumi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Stationary position detection circuit and motor drive circuit
Patent number
7,176,677
Issue date
Feb 13, 2007
Renesas Technology Corp.
Satoshi Narumi
G01 - MEASURING TESTING
Information
Patent Grant
Motor driving circuit
Patent number
6,806,663
Issue date
Oct 19, 2004
Renesas Technology Corp.
Satoshi Kusaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Apparatus for reducing motor driving noise and method for generatin...
Patent number
6,724,166
Issue date
Apr 20, 2004
Renesas Technology Corp.
Satoshi Narumi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor device with extra control wiring for improving breakd...
Patent number
6,399,999
Issue date
Jun 4, 2002
Mitsubishi Denki Kabushiki Kaisha
Masaharu Hoashi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
MOTOR DRIVE APPARATUS
Publication number
20090153086
Publication date
Jun 18, 2009
RENESAS TECHNOLOGY CORP.
Satoshi NARUMI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Stationary position detection circuit and motor drive circuit
Publication number
20070110410
Publication date
May 17, 2007
RENESAS TECHNOLOGY CORP.
Satoshi Narumi
G01 - MEASURING TESTING
Information
Patent Application
STATIONARY POSITION DETECTION CIRCUIT AND MOTOR DRIVE CIRCUIT
Publication number
20070001669
Publication date
Jan 4, 2007
Renesas Technology Corp.
Satoshi Narumi
G01 - MEASURING TESTING
Information
Patent Application
Motor driving circuit
Publication number
20040108827
Publication date
Jun 10, 2004
Renesas Technology Corporation and Mitsubishi Electric Engineering Company Li...
Satoshi Kusaka
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Pulse width modulation motor driving device for controlling driving...
Publication number
20040017172
Publication date
Jan 29, 2004
Mitsubishi Denki Kabushiki Kaisha
Masaharu Hoashi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Apparatus for reducing motor driving noise and method for generatin...
Publication number
20030020426
Publication date
Jan 30, 2003
Satoshi Narumi
G05 - CONTROLLING REGULATING
Information
Patent Application
Semiconductor device
Publication number
20020008303
Publication date
Jan 24, 2002
Masaharu Hoashi
H01 - BASIC ELECTRIC ELEMENTS