Hiroshi KAMIZUMA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power conversion system
- Patent number 12,034,379
- Issue date Jul 9, 2024
- Hitachi, Ltd.
- Hajime Urai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power conversion unit, power converter and method of manufacturing...
- Patent number 10,141,861
- Issue date Nov 27, 2018
- Hitachi, Ltd.
- Yukio Hattori
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power conversion device and power conversion method for power conve...
- Patent number 10,008,953
- Issue date Jun 26, 2018
- Hitachi, Ltd.
- Hiroshi Kamizuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion apparatus including terminals having higher resist...
- Patent number 9,948,201
- Issue date Apr 17, 2018
- Hitachi, Ltd.
- Shinji Shirakawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion unit, power converter and method of manufacturing...
- Patent number 9,917,529
- Issue date Mar 13, 2018
- Hitachi, Ltd.
- Yukio Hattori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion unit and power conversion device
- Patent number 9,906,154
- Issue date Feb 27, 2018
- Hitachi, Ltd.
- Yukio Hattori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Cooling structure of heating element and power conversion device
- Patent number 9,807,913
- Issue date Oct 31, 2017
- Hitachi, Ltd.
- Daisuke Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power converter
- Patent number 9,755,526
- Issue date Sep 5, 2017
- Hitachi, Ltd.
- Akira Mima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacitor device and electrical power conversion device
- Patent number 9,583,264
- Issue date Feb 28, 2017
- Hitachi, Ltd.
- Hiroshi Kamizuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion device
- Patent number 9,532,489
- Issue date Dec 27, 2016
- Hitachi, Ltd.
- Yuuichi Mabuchi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cooling structure for heating element and power converter
- Patent number 9,497,887
- Issue date Nov 15, 2016
- Hitachi, Ltd.
- Daisuke Matsumoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cooling structure of heating element and power conversion device
- Patent number 9,437,797
- Issue date Sep 6, 2016
- Hitachi, Ltd.
- Daisuke Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Incoherent UWB-IR transceiving method with improved multipath-resis...
- Patent number 9,184,790
- Issue date Nov 10, 2015
- Hitachi, Ltd.
- Takashi Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CHARGING SYSTEM AND CHARGING SYSTEM CONTROL DEVICE
- Publication number 20250149909
- Publication date May 8, 2025
- Hitachi, Ltd
- Takae SHIMADA
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER CONVERSION UNIT DIAGNOSIS SYSTEM
- Publication number 20250047195
- Publication date Feb 6, 2025
- Hitachi, Ltd
- Hiroshi KAMIZUMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Device
- Publication number 20240266969
- Publication date Aug 8, 2024
- Hitachi, Ltd
- Hiroshi KAMIZUMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION SYSTEM AND FLIGHT VEHICLE
- Publication number 20240258930
- Publication date Aug 1, 2024
- Hitachi, Ltd
- Hangxian GAO
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
POWER CONVERSION APPARATUS
- Publication number 20240105543
- Publication date Mar 28, 2024
- Hitachi, Ltd
- Hiroshi Kamizuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power Conversion Device
- Publication number 20240030824
- Publication date Jan 25, 2024
- Hitachi, Ltd
- Kimihisa FURUKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power Conversion Unit, Power Conversion Device, and Method for Insp...
- Publication number 20230361691
- Publication date Nov 9, 2023
- Hitachi, Ltd
- Ryou MOTEKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion System
- Publication number 20230056704
- Publication date Feb 23, 2023
- Hitachi, Ltd
- Hajime URAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power Conversion Unit, Power Converter and Method of Manufacturing...
- Publication number 20180152117
- Publication date May 31, 2018
- Hitachi, Ltd
- Yukio HATTORI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electrical Power Conversion Unit and Electrical Power Conversion De...
- Publication number 20180006573
- Publication date Jan 4, 2018
- Hitachi, Ltd
- Yukio HATTORI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Unit and Power Conversion Device
- Publication number 20170040906
- Publication date Feb 9, 2017
- Hitachi, Ltd
- Yukio HATTORI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Device and Power Conversion Method for Power Conve...
- Publication number 20170033593
- Publication date Feb 2, 2017
- Hitachi, Ltd
- Hiroshi KAMIZUMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Cooling Structure of Heating Element and Power Conversion Device
- Publication number 20160345463
- Publication date Nov 24, 2016
- HITACHI, LTD.
- Daisuke MATSUMOTO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Power Converter
- Publication number 20160276938
- Publication date Sep 22, 2016
- Hitachi, Ltd
- Akira MIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Apparatus
- Publication number 20160248338
- Publication date Aug 25, 2016
- Hitachi, Ltd
- Shinji SHIRAKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Unit, Power Converter and Method of Manufacturing...
- Publication number 20160226396
- Publication date Aug 4, 2016
- Hitachi, Ltd
- Yukio HATTORI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Cooling Structure of Heating Element and Power Conversion Device
- Publication number 20160093788
- Publication date Mar 31, 2016
- Hitachi, Ltd
- Daisuke MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power Conversion Device
- Publication number 20160007507
- Publication date Jan 7, 2016
- Hitachi, Ltd
- Yuuichi MABUCHI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
COOLING STRUCTURE FOR HEATING ELEMENT AND POWER CONVERTER
- Publication number 20150250074
- Publication date Sep 3, 2015
- Hitachi, Ltd
- Daisuke MATSUMOTO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INCOHERENT UWB-IR TRANSCEIVING METHOD WITH IMPROVED MULTIPATH-RESIS...
- Publication number 20150098491
- Publication date Apr 9, 2015
- Takashi Yano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Capacitor Device and Electrical Power Conversion Device
- Publication number 20140286064
- Publication date Sep 25, 2014
- Hitachi, Ltd
- Hiroshi KAMIZUMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Hiroshi KAMIZUMA

Person

Patents Grantslast 30 patents

Power conversion system

Power conversion unit, power converter and method of manufacturing...

Power conversion device and power conversion method for power conve...

Power conversion apparatus including terminals having higher resist...

Power conversion unit, power converter and method of manufacturing...

Power conversion unit and power conversion device

Cooling structure of heating element and power conversion device

Power converter

Capacitor device and electrical power conversion device

Power conversion device

Cooling structure for heating element and power converter

Cooling structure of heating element and power conversion device

Incoherent UWB-IR transceiving method with improved multipath-resis...

Patents Applicationslast 30 patents

CHARGING SYSTEM AND CHARGING SYSTEM CONTROL DEVICE

POWER CONVERSION UNIT DIAGNOSIS SYSTEM

Power Conversion Device

POWER CONVERSION SYSTEM AND FLIGHT VEHICLE

POWER CONVERSION APPARATUS

Power Conversion Device

Power Conversion Unit, Power Conversion Device, and Method for Insp...

Power Conversion System

Power Conversion Unit, Power Converter and Method of Manufacturing...

Electrical Power Conversion Unit and Electrical Power Conversion De...

Power Conversion Unit and Power Conversion Device

Power Conversion Device and Power Conversion Method for Power Conve...

Cooling Structure of Heating Element and Power Conversion Device

Power Converter

Power Conversion Apparatus

Power Conversion Unit, Power Converter and Method of Manufacturing...

Cooling Structure of Heating Element and Power Conversion Device

Power Conversion Device

COOLING STRUCTURE FOR HEATING ELEMENT AND POWER CONVERTER

INCOHERENT UWB-IR TRANSCEIVING METHOD WITH IMPROVED MULTIPATH-RESIS...

Capacitor Device and Electrical Power Conversion Device