Hiroyuki SHOJI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power conversion device
- Patent number 11,152,870
- Issue date Oct 19, 2021
- Hitachi Industrial Products, Ltd.
- Kimihisa Furukawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Communication system
- Patent number 10,952,089
- Issue date Mar 16, 2021
- Mitsubishi Electric Corporation
- Hiroyuki Shoji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power supply apparatus
- Patent number 10,541,549
- Issue date Jan 21, 2020
- Hitachi Automotive Systems, Ltd.
- Fumihiro Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power source device
- Patent number 10,461,553
- Issue date Oct 29, 2019
- Hitachi Automotive Systems, Ltd.
- Takae Shimada
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Charging apparatus
- Patent number 10,333,398
- Issue date Jun 25, 2019
- Hitachi Automotive Systems, Ltd.
- Naoya Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter, secondary battery charge and discharge system, and...
- Patent number 9,595,841
- Issue date Mar 14, 2017
- Hitachi Information & Telecommunication Engineering, Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply apparatus
- Patent number 9,025,345
- Issue date May 5, 2015
- Hitachi Information & Telecommunication Engineering, Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bidirectional DC-DC converter and control method thereof
- Patent number 8,629,661
- Issue date Jan 14, 2014
- Hitachi Information & Telecommunication Engineering, Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gate drive circuit of the voltage drive type semiconductor element...
- Patent number 8,614,568
- Issue date Dec 24, 2013
- Hitachi, Ltd.
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter, control method of power converter, and hard disk d...
- Patent number 8,605,464
- Issue date Dec 10, 2013
- Hitachi, Ltd.
- Takashi Sase
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bidirectional dc-dc converter and control method thereof
- Patent number 8,378,646
- Issue date Feb 19, 2013
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Buck-boost DC-DC converter with auxiliary inductors for zero curren...
- Patent number 8,207,717
- Issue date Jun 26, 2012
- Hitachi, Ltd.
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter
- Patent number 8,203,322
- Issue date Jun 19, 2012
- Hitachi, Ltd.
- Toshikazu Okubo
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Complex inductor and power supply unit
- Patent number 8,203,855
- Issue date Jun 19, 2012
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bi-directional DC-DC converter and method for controlling the same
- Patent number 8,130,515
- Issue date Mar 6, 2012
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bi-directional DC-DC converter and control method
- Patent number 7,936,573
- Issue date May 3, 2011
- Hitachi, Ltd.
- Tatsumi Yamauchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Bi-directional DC-DC converter and method for controlling the same
- Patent number 7,911,810
- Issue date Mar 22, 2011
- Hitachi Computer Peripherals, Co., Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bi-directional DC-DC converter and method for controlling the same
- Patent number 7,848,118
- Issue date Dec 7, 2010
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bidirectional DC-DC converter and power supply apparatus with the same
- Patent number 7,812,575
- Issue date Oct 12, 2010
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bi-directional DC-DC converter and control method
- Patent number 7,692,935
- Issue date Apr 6, 2010
- Hitachi, Ltd.
- Tatsumi Yamauchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
PWM signal generating circuit and power supply apparatus comprising...
- Patent number 7,683,597
- Issue date Mar 23, 2010
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Isolated bidirectional DC-DC converter
- Patent number 7,638,904
- Issue date Dec 29, 2009
- Hitachi, Ltd.
- Hiroyuki Shoji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Unidirectional DC-DC converter
- Patent number 7,557,546
- Issue date Jul 7, 2009
- Hitachi, Ltd.
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Soft switching DC-DC converter including a buck converter and a boo...
- Patent number 7,551,462
- Issue date Jun 23, 2009
- Hitachi, Ltd.
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device and memory card using same
- Patent number 7,268,611
- Issue date Sep 11, 2007
- Renesas Technology Corporation
- Mutsumi Kikuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for turning on light and illumination apparatus
- Patent number 6,734,641
- Issue date May 11, 2004
- Hitachi, Ltd.
- Hiroyuki Shoji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Inverter type illumination lighting apparatus
- Patent number 6,683,418
- Issue date Jan 27, 2004
- Hitachi, Ltd.
- Hiroyuki Shoji
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device for turning on light and illumination apparatus
- Patent number 6,570,343
- Issue date May 27, 2003
- Hitachi, Ltd.
- Hiroyuki Shoji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Lighting device for illumination and lamp provided with the same
- Patent number 6,222,327
- Issue date Apr 24, 2001
- Hitachi, Ltd.
- Hiroyuki Shoji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Lighting device for illumination and lamp provided with the same
- Patent number 6,124,680
- Issue date Sep 26, 2000
- Hitachi, Ltd.
- Hiroyuki Shoji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
RECTIFIER CIRCUIT AND POWER SUPPLY USING THE SAME
- Publication number 20240364229
- Publication date Oct 31, 2024
- HITACHI POWER SEMICONDUCTOR DEVICE, LTD.
- Yoshihiro MIWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RECTIFIER CIRCUIT AND POWER SUPPLY USING SAME
- Publication number 20240364231
- Publication date Oct 31, 2024
- HITACHI POWER SEMICONDUCTOR DEVICE, LTD.
- Yoshihiro MIWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Printed Board Coil, High Frequency Transformer, and Electromagnetic...
- Publication number 20240047116
- Publication date Feb 8, 2024
- Hitachi, Ltd
- Yuki KAWAGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMMUNICATION SYSTEM, BASE STATION AND COMMUNICATION TERMINAL DEVICE
- Publication number 20230232269
- Publication date Jul 20, 2023
- Mitsubishi Electric Corporation
- Hiroyuki SHOJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20210160725
- Publication date May 27, 2021
- Mitsubishi Electric Corporation
- Hiroyuki SHOJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power Conversion Device
- Publication number 20210044212
- Publication date Feb 11, 2021
- Hitachi Industrial Products, Ltd.
- Kimihisa FURUKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20190150011
- Publication date May 16, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Hiroyuki SHOJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHARGE CONTROL DEVICE
- Publication number 20180254653
- Publication date Sep 6, 2018
- Hitachi Automotive Systems, Ltd.
- Takayuki TANAKA
- B60 - VEHICLES IN GENERAL
Information Patent Application
Charging Apparatus
- Publication number 20180241306
- Publication date Aug 23, 2018
- Hitachi Automotive Systems, Ltd.
- Naoya TAKAHASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DCDC CONVERTER INTEGRATED CHARGER
- Publication number 20180241313
- Publication date Aug 23, 2018
- Hitachi Automotive Systems, Ltd.
- Akihiro GOTO
- B60 - VEHICLES IN GENERAL
Information Patent Application
Power Supply Apparatus
- Publication number 20180166903
- Publication date Jun 14, 2018
- Hitachi Automotive Systems, Ltd.
- Fumihiro SATO
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER SOURCE DEVICE
- Publication number 20170117731
- Publication date Apr 27, 2017
- Hitachi Automotive Systems, Ltd.
- Takae SHIMADA
- B60 - VEHICLES IN GENERAL
Information Patent Application
DC-DC CONVERTER, SECONDARY BATTERY CHARGE AND DISCHARGE SYSTEM, AND...
- Publication number 20150214847
- Publication date Jul 30, 2015
- Hitachi Information & Telecommunication Engineering, Ltd.
- Takae SHIMADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC STORAGE SYSTEM
- Publication number 20140191576
- Publication date Jul 10, 2014
- Hitachi, Ltd
- Mitsutoshi Honda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20140092639
- Publication date Apr 3, 2014
- Hitachi Information & Telecommunication Engineering, Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER, CONTROL METHOD OF POWER CONVERTER, AND HARD DISK D...
- Publication number 20130194698
- Publication date Aug 1, 2013
- HITACHI LTD.
- Takashi SASE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY APPARATUS
- Publication number 20120300502
- Publication date Nov 29, 2012
- Hitachi Computer Peripherals Co. Ltd.
- Takae SHIMADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20120098341
- Publication date Apr 26, 2012
- Hitachi Computer Peripherals Co., Ltd.
- TAKAE SHIMADA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
GATE DRIVE CIRCUIT OF THE VOLTAGE DRIVE TYPE SEMICONDUCTOR ELEMENT...
- Publication number 20110228564
- Publication date Sep 22, 2011
- Hitachi, Ltd.
- Junpei URUNO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BI-DIRECTIONAL DC-DC CONVERTER AND METHOD FOR CONTROLLING THE SAME
- Publication number 20110128759
- Publication date Jun 2, 2011
- Takae SHIMADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BI-DIRECTIONAL DC-DC CONVERTER AND METHOD FOR CONTROLLING THE SAME
- Publication number 20110019440
- Publication date Jan 27, 2011
- Takae SHIMADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC Converter And Its Controlling Method
- Publication number 20110013437
- Publication date Jan 20, 2011
- Junpei Uruno
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Bi-Directional DC-DC Converter and Control Method
- Publication number 20100142228
- Publication date Jun 10, 2010
- HITACHI, LTD.
- Tatsumi Yamauchi
- B60 - VEHICLES IN GENERAL
Information Patent Application
DC-DC CONVERTER
- Publication number 20100061122
- Publication date Mar 11, 2010
- Hitachi, Ltd.
- Toshikazu OKUBO
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF
- Publication number 20100052423
- Publication date Mar 4, 2010
- Hitachi Computer Peripherals Co., Ltd.
- Takae SHIMADA
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Complex Inductor and Power Supply Unit
- Publication number 20090147541
- Publication date Jun 11, 2009
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
BI-DIRECTIONAL DC-DC CONVERTER AND METHOD FOR CONTROLLING THE SAME
- Publication number 20090059622
- Publication date Mar 5, 2009
- Hitachi Computer Peripherals Co., Ltd.
- Takae Shimada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Didirectional DC-DC converter and power supply apparatus with the same
- Publication number 20080309301
- Publication date Dec 18, 2008
- Takae Shimada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-DC Converter and Its Controlling Method
- Publication number 20080100273
- Publication date May 1, 2008
- Junpei Uruno
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PWM Signal Generating Circuit and Power Supply Apparatus Comprising...
- Publication number 20080079407
- Publication date Apr 3, 2008
- Takae Shimada
- H03 - BASIC ELECTRONIC CIRCUITRY

Hiroyuki SHOJI

Person

Patents Grantslast 30 patents

Power conversion device

Communication system

Power supply apparatus

Power source device

Charging apparatus

DC-DC converter, secondary battery charge and discharge system, and...

Power supply apparatus

Bidirectional DC-DC converter and control method thereof

Gate drive circuit of the voltage drive type semiconductor element...

Power converter, control method of power converter, and hard disk d...

Bidirectional dc-dc converter and control method thereof

Buck-boost DC-DC converter with auxiliary inductors for zero curren...

DC-DC converter

Complex inductor and power supply unit

Bi-directional DC-DC converter and method for controlling the same

Bi-directional DC-DC converter and control method

Bi-directional DC-DC converter and method for controlling the same

Bi-directional DC-DC converter and method for controlling the same

Bidirectional DC-DC converter and power supply apparatus with the same

Bi-directional DC-DC converter and control method

PWM signal generating circuit and power supply apparatus comprising...

Isolated bidirectional DC-DC converter

Unidirectional DC-DC converter

Soft switching DC-DC converter including a buck converter and a boo...

Semiconductor device and memory card using same

Device for turning on light and illumination apparatus

Inverter type illumination lighting apparatus

Device for turning on light and illumination apparatus

Lighting device for illumination and lamp provided with the same

Lighting device for illumination and lamp provided with the same

Patents Applicationslast 30 patents

RECTIFIER CIRCUIT AND POWER SUPPLY USING THE SAME

RECTIFIER CIRCUIT AND POWER SUPPLY USING SAME

Printed Board Coil, High Frequency Transformer, and Electromagnetic...

COMMUNICATION SYSTEM, BASE STATION AND COMMUNICATION TERMINAL DEVICE

COMMUNICATION SYSTEM

Power Conversion Device

COMMUNICATION SYSTEM

CHARGE CONTROL DEVICE

Charging Apparatus

DCDC CONVERTER INTEGRATED CHARGER

Power Supply Apparatus

POWER SOURCE DEVICE

DC-DC CONVERTER, SECONDARY BATTERY CHARGE AND DISCHARGE SYSTEM, AND...

ELECTRIC STORAGE SYSTEM

BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF

POWER CONVERTER, CONTROL METHOD OF POWER CONVERTER, AND HARD DISK D...

POWER SUPPLY APPARATUS

BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF

GATE DRIVE CIRCUIT OF THE VOLTAGE DRIVE TYPE SEMICONDUCTOR ELEMENT...

BI-DIRECTIONAL DC-DC CONVERTER AND METHOD FOR CONTROLLING THE SAME

BI-DIRECTIONAL DC-DC CONVERTER AND METHOD FOR CONTROLLING THE SAME

DC-DC Converter And Its Controlling Method

Bi-Directional DC-DC Converter and Control Method

DC-DC CONVERTER

BIDIRECTIONAL DC-DC CONVERTER AND CONTROL METHOD THEREOF

Complex Inductor and Power Supply Unit

BI-DIRECTIONAL DC-DC CONVERTER AND METHOD FOR CONTROLLING THE SAME

Didirectional DC-DC converter and power supply apparatus with the same

DC-DC Converter and Its Controlling Method

PWM Signal Generating Circuit and Power Supply Apparatus Comprising...