Hiroshi Nakazawa

Person

Kawagoe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for determining cell number, cell number determination devic...
- Patent number 8,604,797
- Issue date Dec 10, 2013
- TDK-Lambda Corporation
- Tadao Senriuchi
- G01 - MEASURING TESTING
Information Patent Grant
Battery protection circuit, method for protecting battery, power su...
- Patent number 8,461,807
- Issue date Jun 11, 2013
- TDK-Lambda Corporation
- Tadao Senriuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply control device, method for controlling power supply, p...
- Patent number 8,369,056
- Issue date Feb 5, 2013
- TDK-Lambda Corporation
- Tadao Senriuchi
- G05 - CONTROLLING REGULATING
Information Patent Grant
Battery pack
- Patent number 7,964,300
- Issue date Jun 21, 2011
- TDK-Lambda Corporation
- Hiroshi Nakazawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and device for safety protection of secondary battery
- Patent number 7,859,226
- Issue date Dec 28, 2010
- TDK-Lambda Corporation
- Hiroshi Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Uninterruptible power supply system
- Patent number 7,535,201
- Issue date May 19, 2009
- Densei-Lambda Kabushiki Kaisha
- Hiroshi Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Virtual-space providing apparatus, virtual-space providing system,...
- Patent number 6,970,812
- Issue date Nov 29, 2005
- Sony Corporation
- Teruhisa Kamachi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Camera having means for receiving a film cassette
- Patent number 4,742,366
- Issue date May 3, 1988
- Hybrid Corporation
- Hiroshi Nakazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Record player
- Patent number 4,365,326
- Issue date Dec 21, 1982
- Sony Corporation
- Mitsuo Ohsawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Transformer
- Patent number 4,335,423
- Issue date Jun 15, 1982
- Sony Corporation
- Akio Koizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching regulator
- Patent number 4,240,134
- Issue date Dec 16, 1980
- Sony Corporation
- Hiroshi Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching regulator
- Patent number 4,236,198
- Issue date Nov 25, 1980
- Sony Corporation
- Mitsuo Ohsawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching regulator
- Patent number 4,236,196
- Issue date Nov 25, 1980
- Sony Corporation
- Akio Koizumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Record player
- Patent number 4,194,743
- Issue date Mar 25, 1980
- Sony Corporation
- Mitsuo Ohsawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Control circuit for use in a switching-type regulator
- Patent number 4,180,852
- Issue date Dec 25, 1979
- Sony Corporation
- Akio Koizumi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current mirror circuit and apparatus for using same
- Patent number 4,167,649
- Issue date Sep 11, 1979
- Sony Corporation
- Mitsuo Ohsawa
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Battery protection circuit, method for protecting battery, power su...
- Publication number 20100259222
- Publication date Oct 14, 2010
- TDK-Lambda Corporation
- Tadao Senriuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power supply control device, method for controlling power supply, p...
- Publication number 20100259856
- Publication date Oct 14, 2010
- TDK-Lambda Corporation
- Tadao Senriuchi
- G05 - CONTROLLING REGULATING
Information Patent Application
Method for determining cell number, cell number determination devic...
- Publication number 20100259270
- Publication date Oct 14, 2010
- TDK-Lambda Corporation
- Tadao Senriuchi
- G01 - MEASURING TESTING
Information Patent Application
BATTERY PACK
- Publication number 20090220851
- Publication date Sep 3, 2009
- Densei-Lambda Kabushiki Kaisha
- Hiroshi Nakazawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery Pack
- Publication number 20090053585
- Publication date Feb 26, 2009
- Densei-Lambda Kabushiki Kaisha
- Hiroshi Nakazawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND DEVICE FOR SAFETY PROTECTION OF SECONDARY BATTERY
- Publication number 20090021217
- Publication date Jan 22, 2009
- Densei-Lambda K.K.
- Hiroshi Nakazawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SECONDARY BATTERY PACK
- Publication number 20080299445
- Publication date Dec 4, 2008
- Densei-Lambda K.K.
- Yasuo Nagasawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BATTERY PACK
- Publication number 20080299452
- Publication date Dec 4, 2008
- Densei-Lambda K.K.
- Hiroshi Nakazawa
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
UNINTERRUPTIBLE POWER SUPPLY SYSTEM
- Publication number 20080084185
- Publication date Apr 10, 2008
- Densei-Lambda Kabushiki Kaisha
- Hiroshi Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Virtual-space providing apparatus, virtual-space providing system,...
- Publication number 20020002514
- Publication date Jan 3, 2002
- Teruhisa Kamachi
- G06 - COMPUTING CALCULATING COUNTING

Hiroshi Nakazawa

Person

Patents Grantslast 30 patents

Method for determining cell number, cell number determination devic...

Battery protection circuit, method for protecting battery, power su...

Power supply control device, method for controlling power supply, p...

Battery pack

Method and device for safety protection of secondary battery

Uninterruptible power supply system

Virtual-space providing apparatus, virtual-space providing system,...

Camera having means for receiving a film cassette

Record player

Transformer

Switching regulator

Switching regulator

Switching regulator

Record player

Control circuit for use in a switching-type regulator

Current mirror circuit and apparatus for using same

Patents Applicationslast 30 patents

Battery protection circuit, method for protecting battery, power su...

Power supply control device, method for controlling power supply, p...

Method for determining cell number, cell number determination devic...

BATTERY PACK

Battery Pack

METHOD AND DEVICE FOR SAFETY PROTECTION OF SECONDARY BATTERY

SECONDARY BATTERY PACK

BATTERY PACK

UNINTERRUPTIBLE POWER SUPPLY SYSTEM

Virtual-space providing apparatus, virtual-space providing system,...