Mitsuo Saeki

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
DC-DC converter, control circuit and information processing system
- Patent number 9,065,333
- Issue date Jun 23, 2015
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery unit, battery system, electronic device, charging control m...
- Patent number 8,405,357
- Issue date Mar 26, 2013
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for charging batteries and electronic apparatus usin...
- Patent number RE43911
- Issue date Jan 8, 2013
- Fujitsu Semiconductor Limited
- Kouichi Matsuda
- 320 - Electricity: battery or capacitor charging or discharging
Information Patent Grant
DC-DC converter, method for controlling DC-DC converter, and electr...
- Patent number 8,344,718
- Issue date Jan 1, 2013
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC/DC power supply circuit with a bypass circuit
- Patent number 8,013,587
- Issue date Sep 6, 2011
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control system for charging batteries and electronic apparatus usin...
- Patent number RE42114
- Issue date Feb 8, 2011
- Fujitsu Semiconductor Limited
- Kouichi Matsuda
- 320 - Electricity: battery or capacitor charging or discharging
Information Patent Grant
Switching converter
- Patent number 7,492,135
- Issue date Feb 17, 2009
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter circuit, power supply selection circuit, and appara...
- Patent number 7,148,587
- Issue date Dec 12, 2006
- Fujitsu Limited
- Kouichi Matsuda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC to DC converter producing output voltage exhibit rise and fall c...
- Patent number 7,129,682
- Issue date Oct 31, 2006
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protection method, control circuit, and battery unit
- Patent number 6,989,652
- Issue date Jan 24, 2006
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply control method
- Patent number 6,940,737
- Issue date Sep 6, 2005
- Fujitsu Limited
- Shigeaki Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC to DC converter producing output voltage exhibiting rise and fal...
- Patent number 6,911,806
- Issue date Jun 28, 2005
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Spike control apparatus for DC-DC converter
- Patent number 6,909,619
- Issue date Jun 21, 2005
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC to DC converter producing output voltage exhibiting rise and fal...
- Patent number 6,664,772
- Issue date Dec 16, 2003
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Portable apparatus
- Patent number 6,657,415
- Issue date Dec 2, 2003
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply control circuit that adjusts output power based on var...
- Patent number 6,639,812
- Issue date Oct 28, 2003
- Fujitsu Limited
- Shigeaki Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter circuit, power supply selection circuit, and apparatus
- Patent number 6,566,766
- Issue date May 20, 2003
- Fujitsu Limited
- Kouichi Matsuda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protection method, control circuit, and battery unit
- Patent number 6,492,791
- Issue date Dec 10, 2002
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitor signal output circuit, battery pack, battery voltage monito...
- Patent number 6,486,635
- Issue date Nov 26, 2002
- Fujitsu Limited
- Kouichi Matsuda
- G01 - MEASURING TESTING
Information Patent Grant
Battery charge control circuit, battery charging device, and batter...
- Patent number 6,452,364
- Issue date Sep 17, 2002
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power unit
- Patent number 6,414,403
- Issue date Jul 2, 2002
- Fujitsu Limited
- Seiya Kitagawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter circuit selecting lowest acceptable input source
- Patent number 6,404,076
- Issue date Jun 11, 2002
- Fujitsu Limited
- Kouichi Matsuda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery unit and information processing system having battery unit...
- Patent number 6,262,494
- Issue date Jul 17, 2001
- Fujitsu Limited
- Toshiaki Tsukuni
- G01 - MEASURING TESTING
Information Patent Grant
DC-to-DC converter capable of preventing overvoltage
- Patent number 6,204,648
- Issue date Mar 20, 2001
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for supplying power from portable computer to extended st...
- Patent number 6,160,321
- Issue date Dec 12, 2000
- Fujitsu Limited
- Takahiro Shin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
DC to DC converter producing output voltage exhibiting rise and fal...
- Patent number 6,147,477
- Issue date Nov 14, 2000
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protection circuit and battery unit
- Patent number 6,051,955
- Issue date Apr 18, 2000
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-to-DC converter capable of preventing overvoltage
- Patent number 6,046,896
- Issue date Apr 4, 2000
- Fijitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-to-DC converter capable of preventing overvoltages
- Patent number 6,028,755
- Issue date Feb 22, 2000
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power control unit loading test method
- Patent number 5,781,000
- Issue date Jul 14, 1998
- Fujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
DC-DC CONVERTER, CONTROL CIRCUIT AND INFORMATION PROCESSING SYSTEM
- Publication number 20130049716
- Publication date Feb 28, 2013
- Fujitsu Limited
- Mitsuo SAEKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC CONVERTER, METHOD FOR CONTROLLING DC-DC CONVERTER, AND ELECTR...
- Publication number 20110260705
- Publication date Oct 27, 2011
- FUJITSU LIMITED
- Mitsuo SAEKI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BATTERY UNIT, BATTERY SYSTEM, ELECTRONIC DEVICE, CHARGING CONTROL M...
- Publication number 20100085014
- Publication date Apr 8, 2010
- FUJITSU LIMITED
- Mitsuo SAEKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY CIRCUIT AND ELECTRONIC APPARATUS
- Publication number 20090134861
- Publication date May 28, 2009
- FUJITSU LIMITED
- Mitsuo SAEKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC converter
- Publication number 20060208714
- Publication date Sep 21, 2006
- FUJITSU LIMITED
- Mitsuo Saeki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Switching converter
- Publication number 20060208715
- Publication date Sep 21, 2006
- FUJITSU LIMITED
- Mitsuo Saeki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Protection method, control circuit, and battery unit
- Publication number 20060049804
- Publication date Mar 9, 2006
- FUJITSU LIMITED
- Mitsuo Saeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DC to DC converter producing output voltage exhibit rise and fall c...
- Publication number 20050264270
- Publication date Dec 1, 2005
- FIJITSU LIMITED
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC to DC converter producing output voltage exhibit rise and fall c...
- Publication number 20040135559
- Publication date Jul 15, 2004
- FUJITSU LIMITED
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power supply and control circuit that adjusts output power based on...
- Publication number 20040105281
- Publication date Jun 3, 2004
- Shigeaki Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC converter circuit, power supply selection circuit, and appara...
- Publication number 20030168916
- Publication date Sep 11, 2003
- FUJITSU LIMITED
- Kouichi Matsuda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DC to DC converter producing output voltage exhibiting rise and fal...
- Publication number 20030107355
- Publication date Jun 12, 2003
- Fujitsu LimitedFujitsu Limited
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Protection method, control circuit, and battery unit
- Publication number 20030030413
- Publication date Feb 13, 2003
- FUJITSU LIMITED
- Mitsuo Saeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Protection method, control circuit, and battery unit
- Publication number 20020190694
- Publication date Dec 19, 2002
- FUJITSU LIMITED
- Mitsuo Saeki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Hand-held information processing apparatus, charging apparatus and...
- Publication number 20020097022
- Publication date Jul 25, 2002
- FUJITSU LIMITED
- Mitsuo Saeki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC converter circuit, power supply selection circuit, and apparatus
- Publication number 20020093317
- Publication date Jul 18, 2002
- FUJITSU LIMITED
- Kouichi Matsuda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Power supply control circuit, power supply and power supply control...
- Publication number 20020027786
- Publication date Mar 7, 2002
- FUJITSU LIMITED
- Shigeaki Nakazawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SPIKE CONTROL APPARATUS AND METHOL FOR DC-DC CONVERTET
- Publication number 20020001206
- Publication date Jan 3, 2002
- Mitsuo Saeki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER UNIT
- Publication number 20010020802
- Publication date Sep 13, 2001
- SEIYA KITAGAWA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Mitsuo Saeki

Person

Patents Grantslast 30 patents

DC-DC converter, control circuit and information processing system

Battery unit, battery system, electronic device, charging control m...

Control system for charging batteries and electronic apparatus usin...

DC-DC converter, method for controlling DC-DC converter, and electr...

DC/DC power supply circuit with a bypass circuit

Control system for charging batteries and electronic apparatus usin...

Switching converter

DC-DC converter circuit, power supply selection circuit, and appara...

DC to DC converter producing output voltage exhibit rise and fall c...

Protection method, control circuit, and battery unit

Power supply control method

DC to DC converter producing output voltage exhibiting rise and fal...

Spike control apparatus for DC-DC converter

DC to DC converter producing output voltage exhibiting rise and fal...

Portable apparatus

Power supply control circuit that adjusts output power based on var...

DC-DC converter circuit, power supply selection circuit, and apparatus

Protection method, control circuit, and battery unit

Monitor signal output circuit, battery pack, battery voltage monito...

Battery charge control circuit, battery charging device, and batter...

Power unit

DC-DC converter circuit selecting lowest acceptable input source

Battery unit and information processing system having battery unit...

DC-to-DC converter capable of preventing overvoltage

Apparatus for supplying power from portable computer to extended st...

DC to DC converter producing output voltage exhibiting rise and fal...

Protection circuit and battery unit

DC-to-DC converter capable of preventing overvoltage

DC-to-DC converter capable of preventing overvoltages

Power control unit loading test method

Patents Applicationslast 30 patents

DC-DC CONVERTER, CONTROL CIRCUIT AND INFORMATION PROCESSING SYSTEM

DC-DC CONVERTER, METHOD FOR CONTROLLING DC-DC CONVERTER, AND ELECTR...

BATTERY UNIT, BATTERY SYSTEM, ELECTRONIC DEVICE, CHARGING CONTROL M...

POWER SUPPLY CIRCUIT AND ELECTRONIC APPARATUS

DC-DC converter

Switching converter

Protection method, control circuit, and battery unit

DC to DC converter producing output voltage exhibit rise and fall c...

DC to DC converter producing output voltage exhibit rise and fall c...

Power supply and control circuit that adjusts output power based on...

DC-DC converter circuit, power supply selection circuit, and appara...

DC to DC converter producing output voltage exhibiting rise and fal...

Protection method, control circuit, and battery unit

Protection method, control circuit, and battery unit

Hand-held information processing apparatus, charging apparatus and...

DC-DC converter circuit, power supply selection circuit, and apparatus

Power supply control circuit, power supply and power supply control...

SPIKE CONTROL APPARATUS AND METHOL FOR DC-DC CONVERTET

POWER UNIT