Naoki Maru

Person

Hadano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor drive circuit and power conversion apparatus using same
- Patent number 8,928,363
- Issue date Jan 6, 2015
- Hitachi, Ltd.
- Ayumu Hatanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
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
D.C. power supply circuit and electronic apparatus using such circuits
- Patent number 6,894,882
- Issue date May 17, 2005
- Hitachi, Ltd.
- Naoki Maru
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
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

Patents Applicationslast 30 patents

Information Patent Application
Semiconductor Drive Circuit and Power Conversion Apparatus Using Same
- Publication number 20140191784
- Publication date Jul 10, 2014
- Hitachi, Ltd
- Ayumu Hatanaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
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
Information Patent Application
D.C. power supply circuit and electronic apparatus using such circuits
- Publication number 20010020803
- Publication date Sep 13, 2001
- Naoki Maru
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Person

Patents Grantslast 30 patents

Semiconductor drive circuit and power conversion apparatus using same

Electronic circuit structure, power supply apparatus, power supply...

Electronic circuit structure, power supply apparatus, power supply...

Over voltage detection circuit, and power source circuit, power sup...

Overvoltage protection circuit, and power source, power supply syst...

Current detection circuit, and power supply apparatus, power supply...

D.C. power supply circuit and electronic apparatus using such circuits

Parallel power system and an electronic apparatus using the power s...

Electronic circuit device having a function of inhibiting resonance...

Patents Applicationslast 30 patents

Semiconductor Drive Circuit and Power Conversion Apparatus Using Same

ELECTRONIC CIRCUIT STRUCTURE, POWER SUPPLY APPARATUS, POWER SUPPLY...

Current detection circuit, and power supply apparatus, power supply...

Electronic circuit structure, power supply apparatus, power supply...

Overvoltage protection circuit, and power source, power supply syst...

Over voltage detection circuit, and power source circuit, power sup...

Parallel power system and an electronic apparatus using the power s...

D.C. power supply circuit and electronic apparatus using such circuits