FDK Corporation

Organization

Tokyo, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Battery tray
- Patent number D1022909
- Issue date Apr 16, 2024
- FDK Corporation
- Takashi Hirabayashi
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Backup power supply device and method for charging and discharging...
- Patent number 11,955,834
- Issue date Apr 9, 2024
- FDK Corporation
- Shunichiro Sugimori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery polarity determination circuit, charger, and electronic device
- Patent number 11,936,223
- Issue date Mar 19, 2024
- FDK Corporation
- Kenji Kitamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery packaging container
- Patent number 11,932,466
- Issue date Mar 19, 2024
- FDK Corporation
- Takuro Ito
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Charging device
- Patent number 11,901,761
- Issue date Feb 13, 2024
- FDK Corporation
- Masatsuru Miyazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkaline battery
- Patent number 11,888,163
- Issue date Jan 30, 2024
- FDK Corporation
- Takuro Manabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery charger
- Patent number D1012017
- Issue date Jan 23, 2024
- FDK Corporation
- Takashi Kanou
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Alkaline storage battery and method for manufacturing the alkaline...
- Patent number 11,876,186
- Issue date Jan 16, 2024
- FDK Corporation
- Akira Saguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hydrogen absorbing alloy, negative electrode comprising same and ni...
- Patent number 11,817,573
- Issue date Nov 14, 2023
- FDK Corporation
- Shota Ohata
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Charging device that can optimize charging current of a secondary b...
- Patent number 11,817,735
- Issue date Nov 14, 2023
- FDK Corporation
- Tomoki Onaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Catalyst for air electrode, air electrode including catalyst for ai...
- Patent number 11,811,069
- Issue date Nov 7, 2023
- FDK Corporation
- Minori Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Backup power storage system with removable secondary battery, and m...
- Patent number 11,777,333
- Issue date Oct 3, 2023
- FDK Corporation
- Yosuke Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery module
- Patent number 11,742,545
- Issue date Aug 29, 2023
- FDK Corporation
- Yunosuke Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Charger and charging method
- Patent number 11,742,685
- Issue date Aug 29, 2023
- FDK Corporation
- Takashi Kanou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sealing gasket for cylindrical alkaline battery and cylindrical alk...
- Patent number 11,594,740
- Issue date Feb 28, 2023
- FDK Corporation
- Tatsuya Yamazaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thin-type battery
- Patent number 11,509,012
- Issue date Nov 22, 2022
- FDK Corporation
- Ayano Uemura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery case
- Patent number 11,502,367
- Issue date Nov 15, 2022
- FDK Corporation
- Yunosuke Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Air electrode catalyst for air secondary battery and air secondary...
- Patent number 11,495,804
- Issue date Nov 8, 2022
- FDK Corporation
- Shohei Unoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing battery electrode material
- Patent number 11,404,691
- Issue date Aug 2, 2022
- FDK Corporation
- Yuki Ochiai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making alkaline battery with gap between pellets
- Patent number 11,387,496
- Issue date Jul 12, 2022
- FDK Corporation
- Takahiro Endo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Automatic charger
- Patent number 11,387,660
- Issue date Jul 12, 2022
- FDK Corporation
- Takashi Kanou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative electrode for nickel metal hydride secondary battery, meth...
- Patent number 11,355,753
- Issue date Jun 7, 2022
- FDK Corporation
- Jun Ishida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Air electrode for air secondary battery and air secondary battery
- Patent number 11,355,751
- Issue date Jun 7, 2022
- FDK Corporation
- Takeshi Kajiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing catalyst for air secondary battery, method for...
- Patent number 11,322,751
- Issue date May 3, 2022
- FDK Corporation
- Shohei Unoki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Secondary battery
- Patent number 11,296,388
- Issue date Apr 5, 2022
- FDK Corporation
- Yusuke Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Battery spacer
- Patent number 11,258,130
- Issue date Feb 22, 2022
- FDK Corporation
- Mika Takayanagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Positive electrode active material for alkaline secondary battery a...
- Patent number 11,228,027
- Issue date Jan 18, 2022
- FDK Corporation
- Takeshi Ito
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Charging device
- Patent number 11,228,198
- Issue date Jan 18, 2022
- FDK Corporation
- Masatsuru Miyazaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charger having failure detection function and failure detection method
- Patent number 11,228,186
- Issue date Jan 18, 2022
- FDK Corporation
- Takashi Kanou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching power supply with controlled switching frequency variatio...
- Patent number 11,196,341
- Issue date Dec 7, 2021
- FDK Corporation
- Kenji Hamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

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Patents Applicationslast 30 patents

Information Patent Application
BACKUP POWER SUPPLY DEVICE
- Publication number 20240128747
- Publication date Apr 18, 2024
- FDK CORPORATION
- Kenji KITAMURA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD OF ESTIMATING LIFE OF NICKEL-METAL HYDRIDE BATTERY
- Publication number 20240118348
- Publication date Apr 11, 2024
- FDK CORPORATION
- Tetsuya Yamane
- G01 - MEASURING TESTING
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20240055886
- Publication date Feb 15, 2024
- FDK CORPORATION
- Kiyotaka KUMAMOTO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POSITIVE ELECTRODE FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECO...
- Publication number 20230411622
- Publication date Dec 21, 2023
- FDK CORPORATION
- Yuya Tanimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACKAGE
- Publication number 20230402696
- Publication date Dec 14, 2023
- FDK CORPORATION
- Takuro Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER STORAGE CONTROL APPARATUS, POWER STORAGE APPARATUS, REMAINING...
- Publication number 20230393201
- Publication date Dec 7, 2023
- FDK CORPORATION
- Shunichiro Sugimori
- G01 - MEASURING TESTING
Information Patent Application
SOLID-STATE BATTERY AND SOLID-STATE BATTERY MANUFACTURING METHOD
- Publication number 20230369688
- Publication date Nov 16, 2023
- FDK CORPORATION
- Akihiro MITANI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NICKEL ELECTRODE FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECOND...
- Publication number 20230343927
- Publication date Oct 26, 2023
- FDK CORPORATION
- Syouhei Unoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLID-STATE BATTERY, SOLID-STATE BATTERY MANUFACTURING METHOD, AND...
- Publication number 20230307715
- Publication date Sep 28, 2023
- FDK CORPORATION
- Masakazu KOBAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BACKUP POWER SUPPLY APPARATUS AND BACKUP POWER SUPPLY APPARATUS CON...
- Publication number 20230307943
- Publication date Sep 28, 2023
- FDK CORPORATION
- Masato KATO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BACKUP POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING BACKUP POWER...
- Publication number 20230246478
- Publication date Aug 3, 2023
- FDK CORPORATION
- Katsuhiko Tamaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BACKUP POWER SUPPLY DEVICE
- Publication number 20230238824
- Publication date Jul 27, 2023
- FDK CORPORATION
- Katsuhiko Tamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRODUCTION METHOD OF LITHIUM COBALT PYROPHOSPHATE, AND PRODUCTION M...
- Publication number 20230216048
- Publication date Jul 6, 2023
- FDK CORPORATION
- Juji KATO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
UNINTERRUPTIBLE POWER SUPPLY DEVICE
- Publication number 20230216334
- Publication date Jul 6, 2023
- FDK CORPORATION
- Naoaki Konda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BACKUP POWER SUPPLY DEVICE AND METHOD FOR CHARGING AND DISCHARGING...
- Publication number 20230163624
- Publication date May 25, 2023
- FDK CORPORATION
- Shunichiro Sugimori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY BANK UNIT, REMAINING CHARGE TIME CALCULATION METHOD, AND RE...
- Publication number 20230141602
- Publication date May 11, 2023
- FDK CORPORATION
- Katsuhiko TAMAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY BANK UNIT, REMAINING CHARGE TIME CALCULATION METHOD, AND RE...
- Publication number 20230144462
- Publication date May 11, 2023
- FDK CORPORATION
- Shun MOCHIZUKI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHARGING METHOD AND BACKUP POWER SUPPLY DEVICE
- Publication number 20230133960
- Publication date May 4, 2023
- FDK CORPORATION
- Shun Mochizuki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
NON-AQUEOUS ELECTROLYTE BATTERY
- Publication number 20230137964
- Publication date May 4, 2023
- FDK CORPORATION
- Junki YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK, CHARGING SYSTEM, AND METHOD FOR CHARGING BATTERY PACK
- Publication number 20230118126
- Publication date Apr 20, 2023
- FDK CORPORATION
- Yasunari Mizoguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY PACK
- Publication number 20230118823
- Publication date Apr 20, 2023
- FDK CORPORATION
- Yusuke Kusagaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ALKALINE STORAGE BATTERY
- Publication number 20230112329
- Publication date Apr 13, 2023
- FDK CORPORATION
- Masaru Takasu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BATTERY VOLTAGE EQUALIZATION DEVICE
- Publication number 20230083009
- Publication date Mar 16, 2023
- FDK CORPORATION
- Kenji HAMADA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CATALYST FOR AIR SECONDARY BATTERY, AIR ELECTRODE, AND AIR SECONDAR...
- Publication number 20230049091
- Publication date Feb 16, 2023
- FDK CORPORATION
- Shohei Unoki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTROL DEVICE AND METHOD FOR REWRITING CONTROL PROGRAM
- Publication number 20230035670
- Publication date Feb 2, 2023
- FDK CORPORATION
- Jinichi Sakamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NICKEL METAL HYDRIDE SECONDARY BATTERY
- Publication number 20220384786
- Publication date Dec 1, 2022
- FDK CORPORATION
- Akira Saguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYDROGEN ABSORBING ALLOY NEGATIVE ELECTRODE AND NICKEL-HYDROGEN SEC...
- Publication number 20220384779
- Publication date Dec 1, 2022
- FDK CORPORATION
- Shota Ohata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY AND ALKALINE STORAG...
- Publication number 20220384808
- Publication date Dec 1, 2022
- FDK CORPORATION
- Yuki Ehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATALYST FOR AIR ELECTRODE, AIR ELECTRODE INCLUDING CATALYST FOR AI...
- Publication number 20220359884
- Publication date Nov 10, 2022
- FDK CORPORATION
- Minori Inoue
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER STORAGE DEVICE AND ELECTRONIC EQUIPMENT
- Publication number 20220352564
- Publication date Nov 3, 2022
- FDK CORPORATION
- Takashi Kabasawa
- H01 - BASIC ELECTRIC ELEMENTS

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Trademarklast 30 trademarks

Information Trademark
97202532
- Serial number 97202532
- Registration number 7118255
- Filing date Jan 4, 2022
- FDK Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79287539 - SOLICELL
- Serial number 79287539
- Registration number 6624167
- Filing date Mar 30, 2020
- FDK CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79287379 - H-ION
- Serial number 79287379
- Filing date Mar 30, 2020
- FDK CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79197396 - MEGA TWICELL
- Serial number 79197396
- Registration number 5303870
- Filing date Mar 31, 2016
- FDK CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79148068
- Serial number 79148068
- Registration number 4733693
- Filing date Dec 24, 2013
- FDK CORPORATION
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
77300899 - BUY GREEN STAY GREEN
- Serial number 77300899
- Registration number 3584150
- Filing date Oct 10, 2007
- FDK Kabushiki Kaisha
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
79013467 - RANDOM STREAMER
- Serial number 79013467
- Filing date Dec 28, 2004
- FDK KABUSHIKI KAISHA (also trading as FDK Corporation)
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75760906
- Serial number 75760906
- Registration number 2456254
- Filing date Jul 26, 1999
- FUJI DENKI KAGAKU KABUSHIKI KAISHA
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75635183 - FUJI NOVEL
- Serial number 75635183
- Registration number 2527967
- Filing date Feb 5, 1999
- FUJI DENKI KAGAKU KABUSHIKI KAISHA
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

FDK Corporation

Organization

Patents Grantslast 30 patents

Battery tray

Backup power supply device and method for charging and discharging...

Battery polarity determination circuit, charger, and electronic device

Battery packaging container

Charging device

Alkaline battery

Battery charger

Alkaline storage battery and method for manufacturing the alkaline...

Hydrogen absorbing alloy, negative electrode comprising same and ni...

Charging device that can optimize charging current of a secondary b...

Catalyst for air electrode, air electrode including catalyst for ai...

Backup power storage system with removable secondary battery, and m...

Battery module

Charger and charging method

Sealing gasket for cylindrical alkaline battery and cylindrical alk...

Thin-type battery

Battery case

Air electrode catalyst for air secondary battery and air secondary...

Method of manufacturing battery electrode material

Method of making alkaline battery with gap between pellets

Automatic charger

Negative electrode for nickel metal hydride secondary battery, meth...

Air electrode for air secondary battery and air secondary battery

Method for producing catalyst for air secondary battery, method for...

Secondary battery

Battery spacer

Positive electrode active material for alkaline secondary battery a...

Charging device

Charger having failure detection function and failure detection method

Switching power supply with controlled switching frequency variatio...

Patents Applicationslast 30 patents

BACKUP POWER SUPPLY DEVICE

METHOD OF ESTIMATING LIFE OF NICKEL-METAL HYDRIDE BATTERY

POWER SUPPLY DEVICE

POSITIVE ELECTRODE FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECO...

BATTERY PACKAGE

POWER STORAGE CONTROL APPARATUS, POWER STORAGE APPARATUS, REMAINING...

SOLID-STATE BATTERY AND SOLID-STATE BATTERY MANUFACTURING METHOD

NICKEL ELECTRODE FOR ALKALINE SECONDARY BATTERY AND ALKALINE SECOND...

SOLID-STATE BATTERY, SOLID-STATE BATTERY MANUFACTURING METHOD, AND...

BACKUP POWER SUPPLY APPARATUS AND BACKUP POWER SUPPLY APPARATUS CON...

BACKUP POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING BACKUP POWER...

BACKUP POWER SUPPLY DEVICE

PRODUCTION METHOD OF LITHIUM COBALT PYROPHOSPHATE, AND PRODUCTION M...

UNINTERRUPTIBLE POWER SUPPLY DEVICE

BACKUP POWER SUPPLY DEVICE AND METHOD FOR CHARGING AND DISCHARGING...

BATTERY BANK UNIT, REMAINING CHARGE TIME CALCULATION METHOD, AND RE...

BATTERY BANK UNIT, REMAINING CHARGE TIME CALCULATION METHOD, AND RE...

CHARGING METHOD AND BACKUP POWER SUPPLY DEVICE

NON-AQUEOUS ELECTROLYTE BATTERY

BATTERY PACK, CHARGING SYSTEM, AND METHOD FOR CHARGING BATTERY PACK

BATTERY PACK

ALKALINE STORAGE BATTERY

BATTERY VOLTAGE EQUALIZATION DEVICE

CATALYST FOR AIR SECONDARY BATTERY, AIR ELECTRODE, AND AIR SECONDAR...

CONTROL DEVICE AND METHOD FOR REWRITING CONTROL PROGRAM

NICKEL METAL HYDRIDE SECONDARY BATTERY

HYDROGEN ABSORBING ALLOY NEGATIVE ELECTRODE AND NICKEL-HYDROGEN SEC...

NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY AND ALKALINE STORAG...

CATALYST FOR AIR ELECTRODE, AIR ELECTRODE INCLUDING CATALYST FOR AI...

POWER STORAGE DEVICE AND ELECTRONIC EQUIPMENT

Trademarklast 30 trademarks

97202532

79287539 - SOLICELL

79287379 - H-ION

79197396 - MEGA TWICELL

79148068

77300899 - BUY GREEN STAY GREEN

79013467 - RANDOM STREAMER

75760906

75635183 - FUJI NOVEL