Minoru Hirahara

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for suppressing a voltage fluctuation applying to a load by...
- Patent number 8,543,845
- Issue date Sep 24, 2013
- Fujitsu Limited
- Yoshito Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Temperature control device
- Patent number 8,183,940
- Issue date May 22, 2012
- Fujitsu Limited
- Yoshito Koyama
- G05 - CONTROLLING REGULATING
Information Patent Grant
Voltage converting device and voltage converting method
- Patent number 8,179,114
- Issue date May 15, 2012
- Fujitsu Limited
- Minoru Hirahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Uninterruptible power supply apparatus
- Patent number 8,084,886
- Issue date Dec 27, 2011
- Fujitsu Limited
- Minoru Hirahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Analog/digital integrated subscriber circuit
- Patent number 6,263,015
- Issue date Jul 17, 2001
- Fujitsu Limited
- Yutaka Awata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Primary control type switching power supply circuit
- Patent number 5,572,413
- Issue date Nov 5, 1996
- Fujitsu Limited
- Minoru Hirahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Call signal generating circuit
- Patent number 5,402,480
- Issue date Mar 28, 1995
- Fujitsu Limited
- Minoru Hirahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and circuit for quick charging of secondary cell
- Patent number 5,260,638
- Issue date Nov 9, 1993
- Fujitsu Limited
- Minoru Hirahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER CIRCUIT AND RADIO COMMUNICATION CIRCUIT USING SAME AND METHOD...
- Publication number 20110136450
- Publication date Jun 9, 2011
- FUJITSU LIMITED
- Minoru Hirahara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power supply device and electronic apparatus
- Publication number 20100176779
- Publication date Jul 15, 2010
- FUJITSU LIMITED
- Yoshito Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power supply device and electronic apparatus
- Publication number 20100176781
- Publication date Jul 15, 2010
- FUJITSU LIMITED
- Yoshito Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power supply device and electronic apparatus
- Publication number 20100176780
- Publication date Jul 15, 2010
- FUJITSU LIMITED
- Yoshito Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power supply device and electronic apparatus
- Publication number 20100171477
- Publication date Jul 8, 2010
- FUJITSU LIMITED
- Yoshito Koyama
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TEMPERATURE CONTROL DEVICE
- Publication number 20100052801
- Publication date Mar 4, 2010
- Fujitsu Limited
- Yoshito Koyama
- G05 - CONTROLLING REGULATING
Information Patent Application
Voltage converting device and voltage converting method
- Publication number 20090295355
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Minoru Hirahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Uninterruptible power supply apparatus
- Publication number 20090129128
- Publication date May 21, 2009
- FUJITSU LIMITED
- Minoru Hirahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power supply device, signal output apparatus and power supply method
- Publication number 20080204105
- Publication date Aug 28, 2008
- FUJITSU LIMITED
- Minoru Hirahara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER SUPPLY DEVICE AND METHOD OF SUPPLYING POWER SUPPLY VOLTAGE TO...
- Publication number 20080174179
- Publication date Jul 24, 2008
- Fujitsu Limited
- Minoru HIRAHARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Uninterruptible power supply apparatus
- Publication number 20070228834
- Publication date Oct 4, 2007
- FUJITSU LIMITED
- Minoru Hirahara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Minoru Hirahara

Person

Patents Grantslast 30 patents

Method for suppressing a voltage fluctuation applying to a load by...

Temperature control device

Voltage converting device and voltage converting method

Uninterruptible power supply apparatus

Analog/digital integrated subscriber circuit

Primary control type switching power supply circuit

Call signal generating circuit

Method and circuit for quick charging of secondary cell

Patents Applicationslast 30 patents

POWER CIRCUIT AND RADIO COMMUNICATION CIRCUIT USING SAME AND METHOD...

Power supply device and electronic apparatus

Power supply device and electronic apparatus

Power supply device and electronic apparatus

Power supply device and electronic apparatus

TEMPERATURE CONTROL DEVICE

Voltage converting device and voltage converting method

Uninterruptible power supply apparatus

Power supply device, signal output apparatus and power supply method

POWER SUPPLY DEVICE AND METHOD OF SUPPLYING POWER SUPPLY VOLTAGE TO...

Uninterruptible power supply apparatus