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Hideho Yamamura
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic circuit structure, power supply apparatus, power supply...
Patent number
7,911,769
Issue date
Mar 22, 2011
Hitachi, Ltd.
Hideho Yamamura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic circuit structure, power supply apparatus, power supply...
Patent number
7,548,411
Issue date
Jun 16, 2009
Hitachi, Ltd.
Hideho Yamamura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Over voltage detection circuit, and power source circuit, power sup...
Patent number
7,372,683
Issue date
May 13, 2008
Hitachi, Ltd.
Hideho Yamamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Overvoltage protection circuit, and power source, power supply syst...
Patent number
7,355,829
Issue date
Apr 8, 2008
Hitachi, Ltd.
Hideho Yamamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
BGA type semiconductor device and electronic equipment using the same
Patent number
7,291,909
Issue date
Nov 6, 2007
Renesas Technology Corp.
Hideho Yamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current detection circuit, and power supply apparatus, power supply...
Patent number
7,208,883
Issue date
Apr 24, 2007
Hitachi, Ltd.
Naoki Maru
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
BGA type semiconductor device and electronic equipment using the same
Patent number
7,164,194
Issue date
Jan 16, 2007
Renesas Technology Corp.
Hideho Yamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
BGA type semiconductor device and electronic equipment using the same
Patent number
6,734,545
Issue date
May 11, 2004
Hitachi, Ltd.
Hideho Yamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Parallel power system and an electronic apparatus using the power s...
Patent number
6,628,010
Issue date
Sep 30, 2003
Hitachi, Ltd.
Hideho Yamamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
BGA type semiconductor device and electronic equipment using the same
Patent number
6,163,071
Issue date
Dec 19, 2000
Hitachi, Ltd.
Hideho Yamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic circuit device having a function of inhibiting resonance...
Patent number
5,844,762
Issue date
Dec 1, 1998
Hitachi, Ltd.
Hideho Yamamura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic device having high-density wiring
Patent number
5,293,005
Issue date
Mar 8, 1994
Hitachi, Ltd.
Hideho Yamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor chip carrier, module having same chip carrier mounted...
Patent number
5,281,151
Issue date
Jan 25, 1994
Hitachi, Ltd.
Hideo Arima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Delay circuit including an improved CR integrator circuit
Patent number
4,710,654
Issue date
Dec 1, 1987
Hitachi, Ltd.
Takashi Saitoh
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
ELECTRONIC CIRCUIT STRUCTURE, POWER SUPPLY APPARATUS, POWER SUPPLY...
Publication number
20090257210
Publication date
Oct 15, 2009
Hideho Yamamura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Current detection circuit, and power supply apparatus, power supply...
Publication number
20060132062
Publication date
Jun 22, 2006
Naoki Maru
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Electronic circuit structure, power supply apparatus, power supply...
Publication number
20060092599
Publication date
May 4, 2006
Hideho Yamamura
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Overvoltage protection circuit, and power source, power supply syst...
Publication number
20050078424
Publication date
Apr 14, 2005
Hideho Yamamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Over voltage detection circuit, and power source circuit, power sup...
Publication number
20030030955
Publication date
Feb 13, 2003
Hideho Yamamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BGA type semiconductor device and electronic equipment using the same
Publication number
20030015786
Publication date
Jan 23, 2003
Hitachi, Ltd.
Hideho Yamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BGA type semiconductor device and electronic equipment using the same
Publication number
20030015785
Publication date
Jan 23, 2003
Hitachi, Ltd.
Hideho Yamamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Parallel power system and an electronic apparatus using the power s...
Publication number
20020089865
Publication date
Jul 11, 2002
Hideho Yamamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC