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Toshiyuki Tsunoda
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Maebashi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power supply unit
Patent number
8,004,349
Issue date
Aug 23, 2011
Renesas Electronics Corporation
Osamu Yamashita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Power supply unit
Patent number
7,859,324
Issue date
Dec 28, 2010
Renesas Electronics Corporation
Osamu Yamashita
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Drive control system for sensor-less motor
Patent number
6,900,604
Issue date
May 31, 2005
Renesas Technology Corp.
Yasuhiko Kokami
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Drive control system for sensor-less motor
Patent number
6,771,033
Issue date
Aug 3, 2004
Renesas Technology Corp.
Yasuhiko Kokami
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor integrated circuit for brushless motor drive control...
Patent number
6,563,286
Issue date
May 13, 2003
Hitachi, Ltd.
Kunio Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor integrated circuit for brushless motor drive control...
Patent number
6,344,721
Issue date
Feb 5, 2002
Hitachi, Ltd.
Kunio Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Semiconductor integrated circuit for brushless motor drive control...
Patent number
6,340,873
Issue date
Jan 22, 2002
Hitachi, Ltd.
Kunio Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Motor speed regulating circuit with starter and storage medium driv...
Patent number
5,621,288
Issue date
Apr 15, 1997
Hitachi, Ltd.
Kunio Seki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
POWER SUPPLY UNIT
Publication number
20110063021
Publication date
Mar 17, 2011
RENESAS ELECTRONICS CORPORATION
Osamu YAMASHITA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
POWER SUPPLY UNIT
Publication number
20090212851
Publication date
Aug 27, 2009
Osamu YAMASHITA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Drive control system for sensor-less motor
Publication number
20050189892
Publication date
Sep 1, 2005
RENESAS TECHNOLOGY CORP.
Yasuhiko Kokami
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Drive control system for sensor-less motor
Publication number
20030107337
Publication date
Jun 12, 2003
Hitachi, Ltd.
Yasuhiko Kokami
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Drive control system for sensor-less motor
Publication number
20030107338
Publication date
Jun 12, 2003
Hitachi, Ltd.
Yasuhiko Kokami
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Semiconductor integrated circuit for brushless motor drive control...
Publication number
20020079860
Publication date
Jun 27, 2002
Hitachi, Ltd.
Kunio Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Semiconductor integrated circuit for brushless motor drive control...
Publication number
20010050542
Publication date
Dec 13, 2001
Kunio Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Semiconductor integrated circuit for brushless motor drive control...
Publication number
20010045812
Publication date
Nov 29, 2001
Hitachi, Ltd.
Kunio Seki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER