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Fuel cells Manufacture thereof
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H01M8/04649
of fuel cell stacks
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Patents Grants
last 30 patents
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Patent Grant
Electrochemical impedance spectroscopy (“EIS”) analyzer and method...
Patent number
12,142,802
Issue date
Nov 12, 2024
BLOOM ENERGY CORPORATION
Karthick Sudhan S
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus for measuring impedance of fuel cell for vehicle and meth...
Patent number
11,933,855
Issue date
Mar 19, 2024
Hyundai Motor Company
Gun Hyung Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for controlling fuel cell device
Patent number
11,923,579
Issue date
Mar 5, 2024
Japan Aerospace Exploration Agency
Yoshitsugu Sone
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for measuring impedance of fuel cell stack in vehicle
Patent number
11,870,113
Issue date
Jan 9, 2024
Hyundai Motor Company
Gun Hyung Park
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and apparatus for subzero start-up of fuel cell
Patent number
11,831,050
Issue date
Nov 28, 2023
Tsinghua University
Jianbo Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Water removing system and method of fuel cell vehicle using impedance
Patent number
11,799,101
Issue date
Oct 24, 2023
Hyundai Motor Company
Gun Hyung Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
SOEC system and method for operating a SOEC system
Patent number
11,769,890
Issue date
Sep 26, 2023
AVL List GmbH
David Reichholf
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Device and method for online impedance spectrum measurement of vehi...
Patent number
11,695,138
Issue date
Jul 4, 2023
Tongji University
Tiancai Ma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell vehicle and method of stopping the same
Patent number
11,695,137
Issue date
Jul 4, 2023
Honda Motor Co., Ltd.
Satoshi Tanimoto
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for calculating voltage loss of fuel cell and system perform...
Patent number
11,677,085
Issue date
Jun 13, 2023
Hyundai Motor Company
Minsu Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of stopping operation of fuel cell system
Patent number
11,522,206
Issue date
Dec 6, 2022
Honda Motor Co., Ltd.
Nobuki Koiwa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Water removing system and method of fuel cell vehicle using impedance
Patent number
11,411,229
Issue date
Aug 9, 2022
Hyundai Motor Company
Gun Hyung Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell systems and methods for detecting fuel contaminants and h...
Patent number
11,411,233
Issue date
Aug 9, 2022
BLOOM ENERGY CORPORATION
Karthick Sudhan Shanmugam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell system and fuel cell system control method
Patent number
11,362,354
Issue date
Jun 14, 2022
Nissan Motor Co., Ltd.
Yoshitaka Ono
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrochemical impedance spectroscopy (“EIS”) analyzer and method...
Patent number
11,335,928
Issue date
May 17, 2022
BLOOM ENERGY CORPORATION
Karthick Sudhan S
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell system and method for inferring wet state of fuel cell
Patent number
11,217,803
Issue date
Jan 4, 2022
Toyota Jidosha Kabushiki Kaisha
Chiaki Mizutani
G01 - MEASURING TESTING
Information
Patent Grant
Output performance diagnosis apparatus for fuel cell, output perfor...
Patent number
11,196,065
Issue date
Dec 7, 2021
Toyota Jidosha Kabushiki Kaisha
Yasushi Araki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Battery condition determination
Patent number
11,192,461
Issue date
Dec 7, 2021
DUKOSI LIMITED
Gordon Povey
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for operating a fuel cell system and a fuel cell vehicle
Patent number
11,171,348
Issue date
Nov 9, 2021
Audi AG
Markus Ruf
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Control device for fuel cell system
Patent number
11,158,873
Issue date
Oct 26, 2021
Toyota Jidosha Kabushiki Kaisha
Noriyuki Kitao
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for maintaining insulation resistance of fuel cell
Patent number
11,133,517
Issue date
Sep 28, 2021
Hyundai Motor Company
Hyun Hie Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
State estimation device and method for fuel cell and fuel cell system
Patent number
11,054,473
Issue date
Jul 6, 2021
Nissan Motor Co., Ltd.
Tetsuya Aoki
G01 - MEASURING TESTING
Information
Patent Grant
Control apparatus for vehicle plant
Patent number
10,967,757
Issue date
Apr 6, 2021
Honda Motor Co., Ltd.
Ryota Kitamoto
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Cell reversal diagnostics for a fuel cell stack
Patent number
10,971,745
Issue date
Apr 6, 2021
GM Global Technology Operations LLC
Manish Sinha
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Fuel cell state determination method and fuel cell state determinat...
Patent number
10,971,742
Issue date
Apr 6, 2021
Nissan Motor Co., Ltd.
Tetsuya Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for calculating voltage loss of fuel cell and system perform...
Patent number
10,964,963
Issue date
Mar 30, 2021
Hyundai Motor Company
Minsu Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Anode bleed control in a fuel cell stack
Patent number
10,903,512
Issue date
Jan 26, 2021
Intelligent Energy Limited
Pratap Rama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power supply device, apparatus, and control method
Patent number
10,892,504
Issue date
Jan 12, 2021
Honda Motor Co., Ltd.
Ryota Kitamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus and method for controlling operation of fuel cell system
Patent number
10,892,502
Issue date
Jan 12, 2021
Hyundai Motor Company
Jae Hoon Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Fuel cell system and method of identifying power leakage area
Patent number
10,873,098
Issue date
Dec 22, 2020
Toyota Jidosha Kabushiki Kaisha
Hiromu Saito
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Fuel Cell System and Control Method and Device Thereof
Publication number
20240243312
Publication date
Jul 18, 2024
ROBERT BOSCH GmbH
Huixiang ZHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR CONTROLLING A DRYING PROCESS OF A FUEL CELL SYSTEM
Publication number
20240234759
Publication date
Jul 11, 2024
ROBERT BOSCH GmbH
Jochen Braun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL SYSTEM
Publication number
20240178414
Publication date
May 30, 2024
Honda Motor Co., Ltd.
Tatsuro HARUKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL SYSTEM
Publication number
20230420711
Publication date
Dec 28, 2023
DENSO CORPORATION
Takashi YAMADA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
APPARATUS FOR MEASURING IMPEDANCE OF FUEL CELL FOR VEHICLE AND METH...
Publication number
20230152382
Publication date
May 18, 2023
Hyundai Motor Company
Gun Hyung PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for Diagnosing at Least One Fuel Cell Stack of a Fuel Cell D...
Publication number
20230015110
Publication date
Jan 19, 2023
Bayerische Motoren Werke Aktiengesellschaft
Tim LOCHNER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CONTROL METHOD AND SYSTEM OF A FUEL CELL ELECTRIC VEHICLE STACK
Publication number
20220402363
Publication date
Dec 22, 2022
Ceres Intellectual Property Company Limited
Lei Sun
B60 - VEHICLES IN GENERAL
Information
Patent Application
SOEC SYSTEM AND METHOD FOR OPERATING A SOEC SYSTEM
Publication number
20220367892
Publication date
Nov 17, 2022
AVL LIST GMBH
David REICHHOLF
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL STACK MODULE FAULT DETECTION SYSTEM AND METHOD
Publication number
20220359893
Publication date
Nov 10, 2022
Ceres Intellectual Property Company Limited
Lei Sun
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL STACK INSULATION MONITORING SYSTEM
Publication number
20220344686
Publication date
Oct 27, 2022
Ceres Intellectual Property Company Limited
Lei Sun
B60 - VEHICLES IN GENERAL
Information
Patent Application
WATER REMOVING SYSTEM AND METHOD OF FUEL CELL VEHICLE USING IMPEDANCE
Publication number
20220336830
Publication date
Oct 20, 2022
Hyundai Motor Company
Gun Hyung Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY ("EIS") ANALYZER AND METHOD...
Publication number
20220246962
Publication date
Aug 4, 2022
BLOOM ENERGY CORPORATION
Karthick SUDHAN S
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, AND P...
Publication number
20220223889
Publication date
Jul 14, 2022
Toyota Jidosha Kabushiki Kaisha
Masato EHARA
B60 - VEHICLES IN GENERAL
Information
Patent Application
AIRCRAFT ELECTRICAL POWER SUPPLY SYSTEM AND METHOD OF SUPPLYING ELE...
Publication number
20220131165
Publication date
Apr 28, 2022
OHMIUM INTERNATIONAL, Inc.,
Arne BALLANTINE
B60 - VEHICLES IN GENERAL
Information
Patent Application
BATTERY CONDITION DETERMINATION
Publication number
20220089045
Publication date
Mar 24, 2022
DUKOSI LIMITED
Gordon POVEY
B60 - VEHICLES IN GENERAL
Information
Patent Application
VOLTAGE CONVERTER ARRANGEMENT, FUEL CELL SYSTEM AND METHOD OF OPERA...
Publication number
20220077479
Publication date
Mar 10, 2022
Audi AG
Norbert KLUY
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD OF STOPPING OPERATION OF FUEL CELL SYSTEM
Publication number
20210296667
Publication date
Sep 23, 2021
Honda Motor Co., Ltd.
Nobuki KOIWA
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR CALCULATING VOLTAGE LOSS OF FUEL CELL AND SYSTEM PERFORM...
Publication number
20210184235
Publication date
Jun 17, 2021
Hyundai Motor Company
Minsu Lee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR MEASURING IMPEDANCE OF FUEL CELL STACK IN VEHICLE
Publication number
20210184236
Publication date
Jun 17, 2021
Hyundai Motor Company
Gun Hyung Park
B60 - VEHICLES IN GENERAL
Information
Patent Application
WATER REMOVING SYSTEM AND METHOD OF FUEL CELL VEHICLE USING IMPEDANCE
Publication number
20200358114
Publication date
Nov 12, 2020
Hyundai Motor Company
Gun Hyung Park
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BATTERY CONDITION DETERMINATION
Publication number
20200212509
Publication date
Jul 2, 2020
DUKOSI LIMITED
Gordon POVEY
B60 - VEHICLES IN GENERAL
Information
Patent Application
ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY ("EIS") ANALYZER AND METHOD...
Publication number
20200194813
Publication date
Jun 18, 2020
BLOOM ENERGY CORPORATION
Karthick SUDHAN S
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL SYSTEMS AND METHODS FOR DETECTING FUEL CONTAMINANTS AND H...
Publication number
20200185741
Publication date
Jun 11, 2020
Bloom Energy Corporation
Karthick Sudhan Shanmugam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR OPERATING A FUEL CELL SYSTEM AND A FUEL CELL VEHICLE
Publication number
20200168928
Publication date
May 28, 2020
Audi AG
Markus RUF
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL STATE DETERMINATION METHOD AND FUEL CELL STATE DETERMINAT...
Publication number
20200153008
Publication date
May 14, 2020
NISSAN MOTOR CO., LTD.
Tetsuya AOKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR MAINTAINING INSULATION RESISTANCE OF FUEL CELL
Publication number
20200075977
Publication date
Mar 5, 2020
Hyundai Motor Company
Hyun Hie Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL SYSTEM AND METHOD FOR INFERRING WET STATE OF FUEL CELL
Publication number
20200006792
Publication date
Jan 2, 2020
Toyota Jidosha Kabushiki Kaisha
Chiaki MIZUTANI
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING OPERATION OF FUEL CELL SYSTEM
Publication number
20190312291
Publication date
Oct 10, 2019
Hyundai Motor Company
Jae Hoon Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BELOW FREEZING START-UP METHOD FOR FUEL CELL SYSTEM
Publication number
20190207233
Publication date
Jul 4, 2019
Daimler AG
Michael Procter
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER SUPPLY DEVICE, APPARATUS, AND CONTROL METHOD
Publication number
20190173108
Publication date
Jun 6, 2019
Honda Motor Co., Ltd.
Ryota KITAMOTO
H01 - BASIC ELECTRIC ELEMENTS