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Yoshihiro Nagaya
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Kasugai, JP
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Patents Grants
last 30 patents
Information
Patent Grant
DC-DC converter with oscillator and monitoring function
Patent number
7,777,474
Issue date
Aug 17, 2010
Fujitsu Semiconductor Limited
Yukinori Maekawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC-DC converter
Patent number
7,656,143
Issue date
Feb 2, 2010
Fujitsu Microelectronics Limited
Yoshihiro Nagaya
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Regulator circuit and control method thereof
Patent number
6,828,764
Issue date
Dec 7, 2004
Fujitsu Limited
Kyuichi Takimoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Overvoltage-protective device for power system, AC/DC converter and...
Patent number
6,674,657
Issue date
Jan 6, 2004
Fujitsu Limited
Yoshihiro Nagaya
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Oscillator circuit
Patent number
6,587,006
Issue date
Jul 1, 2003
Fujitsu Limited
Jun Kawajiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
DC-DC converter and semicondutor integrated circuit device for DC-D...
Patent number
6,337,563
Issue date
Jan 8, 2002
Fujitsu Limited
Kyuichi Takimoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
DC-DC converter and controller for detecting a malfunction therein
Patent number
6,320,359
Issue date
Nov 20, 2001
Fujitsu Limited
Yoshihiro Nagaya
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Maximum duty ratio setting circuit for a DC-DC converter
Patent number
6,198,264
Issue date
Mar 6, 2001
Fijitsu Limited
Yoshihiro Nagaya
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
DC-DC converter
Publication number
20080012546
Publication date
Jan 17, 2008
FUJITSU LIMITED
Yoshihiro Nagaya
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
DC-DC converter and control for DC-DC converter
Publication number
20070285074
Publication date
Dec 13, 2007
FUJITSU LIMITED
Yukinori Maekawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Regular circuit and control method thereof
Publication number
20030067283
Publication date
Apr 10, 2003
FUJITSU LIMITED
Kyuichi Takimoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Oscillator circuit
Publication number
20030001683
Publication date
Jan 2, 2003
FUJITSU LIMITED
Jun Kawajiri
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Overvoltage-protective device for power system, AC/DC converter and...
Publication number
20020122323
Publication date
Sep 5, 2002
FUJITSU LIMITED
Yoshihiro Nagaya
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
DC-DC converter and semiconductor integrated circuit device for DC-...
Publication number
20010050547
Publication date
Dec 13, 2001
FUJITSU LIMITED
Kyuichi Takimoto
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER