Hirofumi Yudahira

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Abnormal voltage detector apparatus for detecting voltage abnormali...
- Patent number 7,710,120
- Issue date May 4, 2010
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Abnormal voltage detection apparatus for detecting voltage abnormal...
- Patent number 7,557,585
- Issue date Jul 7, 2009
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Abnormal voltage detector apparatus for detecting voltage abnormali...
- Patent number 7,521,896
- Issue date Apr 21, 2009
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacity equalizing apparatus for secondary batteries
- Patent number 7,388,351
- Issue date Jun 17, 2008
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply controller apparatus for detecting welding of contactors
- Patent number 7,242,196
- Issue date Jul 10, 2007
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Leakage detection apparatus and motor car
- Patent number 6,919,726
- Issue date Jul 19, 2005
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Battery power source device and current detection method therefor
- Patent number 6,762,590
- Issue date Jul 13, 2004
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multiplex voltage measurement apparatus
- Patent number 6,677,758
- Issue date Jan 13, 2004
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Maki
- G01 - MEASURING TESTING
Information Patent Grant
Battery voltage detection device
- Patent number 6,664,761
- Issue date Dec 16, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hirofumi Yudahira
- G01 - MEASURING TESTING
Information Patent Grant
Battery voltage measurement device
- Patent number 6,639,408
- Issue date Oct 28, 2003
- Matsushita Electric Industrial Co., Ltd.
- Hirofumi Yudahira
- G01 - MEASURING TESTING
Information Patent Grant
Battery voltage measurement device
- Patent number 6,639,409
- Issue date Oct 28, 2003
- Matsushita Electric Industrial Co., Ltd.
- Naohisa Morimoto
- G01 - MEASURING TESTING
Information Patent Grant
Multiplex voltage measurement apparatus
- Patent number 6,570,387
- Issue date May 27, 2003
- Matsushita Electric Industrial Co., Ltd.
- Ichiro Maki
- G01 - MEASURING TESTING
Information Patent Grant
Battery voltage detection apparatus and detection method
- Patent number 6,462,550
- Issue date Oct 8, 2002
- Matsushita Electric Industrial Co, Ltd.
- Hirofumi Yudahira
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ABNORMAL VOLTAGE DETECTOR APPARATUS FOR DETECTING VOLTAGE ABNORMALI...
- Publication number 20090174411
- Publication date Jul 9, 2009
- Panasonic EV Energy Co., Ltd.
- Hirofumi YUDAHIRA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Power supply controller apparatus for detecting welding of contactors
- Publication number 20060071618
- Publication date Apr 6, 2006
- Hirofumi Yudahira
- B60 - VEHICLES IN GENERAL
Information Patent Application
Abnormal voltage detector apparatus for detecting voltage abnormali...
- Publication number 20060028179
- Publication date Feb 9, 2006
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Abnormal voltage detection apparatus for detecting voltage abnormal...
- Publication number 20060001403
- Publication date Jan 5, 2006
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Capacity equalizing apparatus for secondary batteries
- Publication number 20050269990
- Publication date Dec 8, 2005
- Panasonic EV Energy Co., Ltd.
- Hirofumi Yudahira
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Leakage detection apparatus and motor car
- Publication number 20050012506
- Publication date Jan 20, 2005
- Hirofumi Yudahira
- B60 - VEHICLES IN GENERAL
Information Patent Application
MULTIPLEX VOLTAGE MEASUREMENT APPARATUS
- Publication number 20030189419
- Publication date Oct 9, 2003
- Ichiro Maki
- G01 - MEASURING TESTING
Information Patent Application
Battery power source device and current detection method therefor
- Publication number 20030102871
- Publication date Jun 5, 2003
- PANASONIC EV ENERGY CO., LTD.
- Hirofumi Yudahira
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Battery voltage detection device
- Publication number 20030052688
- Publication date Mar 20, 2003
- Hirofumi Yudahira
- G01 - MEASURING TESTING
Information Patent Application
Battery voltage measurement device
- Publication number 20020075015
- Publication date Jun 20, 2002
- Naohisa Morimoto
- G01 - MEASURING TESTING
Information Patent Application
Battery voltage measurement device
- Publication number 20020075004
- Publication date Jun 20, 2002
- Hirofumi Yudahira
- G01 - MEASURING TESTING
Information Patent Application
Multiplex voltage measurement apparatus
- Publication number 20010048307
- Publication date Dec 6, 2001
- Ichiro Maki
- G01 - MEASURING TESTING
Information Patent Application
Battery voltage detection apparatus and detection method
- Publication number 20010019269
- Publication date Sep 6, 2001
- Hirofumi Yudahira
- B60 - VEHICLES IN GENERAL

Hirofumi Yudahira

Person

Patents Grantslast 30 patents

Abnormal voltage detector apparatus for detecting voltage abnormali...

Abnormal voltage detection apparatus for detecting voltage abnormal...

Abnormal voltage detector apparatus for detecting voltage abnormali...

Capacity equalizing apparatus for secondary batteries

Power supply controller apparatus for detecting welding of contactors

Leakage detection apparatus and motor car

Battery power source device and current detection method therefor

Multiplex voltage measurement apparatus

Battery voltage detection device

Battery voltage measurement device

Battery voltage measurement device

Multiplex voltage measurement apparatus

Battery voltage detection apparatus and detection method

Patents Applicationslast 30 patents

ABNORMAL VOLTAGE DETECTOR APPARATUS FOR DETECTING VOLTAGE ABNORMALI...

Power supply controller apparatus for detecting welding of contactors

Abnormal voltage detector apparatus for detecting voltage abnormali...

Abnormal voltage detection apparatus for detecting voltage abnormal...

Capacity equalizing apparatus for secondary batteries

Leakage detection apparatus and motor car

MULTIPLEX VOLTAGE MEASUREMENT APPARATUS

Battery power source device and current detection method therefor

Battery voltage detection device

Battery voltage measurement device

Battery voltage measurement device

Multiplex voltage measurement apparatus

Battery voltage detection apparatus and detection method