Takashi Kumagai

Person

Chino-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reactor
- Patent number 12,119,155
- Issue date Oct 15, 2024
- Mitsubishi Electric Corporation
- Tomohito Fukuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power conversion device
- Patent number 12,073,983
- Issue date Aug 27, 2024
- Mitsubishi Electric Corporation
- Kenta Fujii
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reactor
- Patent number 11,948,718
- Issue date Apr 2, 2024
- Mitsubishi Electric Corporation
- Atsushi Hosokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 11,658,089
- Issue date May 23, 2023
- Mitsubishi Electric Corporation
- Shuji Wakaiki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit device and power conversion device
- Patent number 11,350,517
- Issue date May 31, 2022
- Mitsubishi Electric Corporation
- Hiroyuki Yahara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power circuit device
- Patent number 11,206,729
- Issue date Dec 21, 2021
- Mitsubishi Electric Corporation
- Shota Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter
- Patent number 11,094,452
- Issue date Aug 17, 2021
- Mitsubishi Electric Corporation
- Koji Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit device and power converter
- Patent number 11,049,640
- Issue date Jun 29, 2021
- Mitsubishi Electric Corporation
- Kenta Fujii
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter
- Patent number 11,031,177
- Issue date Jun 8, 2021
- Mitsubishi Electric Corporation
- Koji Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Air core type reactor unit and electric power supply equipment havi...
- Patent number 10,529,478
- Issue date Jan 7, 2020
- Mitsubishi Electric Corporation
- Toshihiro Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Board-type noise filter and electronic device
- Patent number 10,491,180
- Issue date Nov 26, 2019
- Mitsubishi Electric Corporation
- Kazuya Yamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Insulation type step-up converter
- Patent number 10,404,178
- Issue date Sep 3, 2019
- Mitsubishi Electric Corporation
- Koji Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulation type step-down coverter
- Patent number 10,199,159
- Issue date Feb 5, 2019
- Mitsubishi Electric Corporation
- Koji Nakajima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Communication system, communication method, distribution apparatus,...
- Patent number 9,973,733
- Issue date May 15, 2018
- Sony Corporation
- Takashi Kumagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Insulation type step-down converter
- Patent number 9,960,697
- Issue date May 1, 2018
- Mitsubishi Electric Corporation
- Koji Nakajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Insulation type step-down converter
- Patent number 9,941,044
- Issue date Apr 10, 2018
- Mitsubishi Electric Corporation
- Koji Nakajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Data processing system having data reproduction independent of data...
- Patent number 9,530,456
- Issue date Dec 27, 2016
- Sony Corporation
- Toshiyuki Arai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antischistosomal agent
- Patent number 8,927,596
- Issue date Jan 6, 2015
- National University Corporation Okayama University
- Yusuke Wataya
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Data processing system having data reproduction independent of data...
- Patent number 8,913,334
- Issue date Dec 16, 2014
- Sony Corporation
- Toshiyuki Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Device having capacitive loads and abnormality detecting method the...
- Patent number 8,896,316
- Issue date Nov 25, 2014
- Mitsubshi Electric Corporation
- Kazutoshi Kurahashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Light source lighting device including a constant-current supply th...
- Patent number 8,710,750
- Issue date Apr 29, 2014
- Mitsubishi Electric Corporation
- Takafumi Nonaka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power conversion apparatus
- Patent number 8,559,202
- Issue date Oct 15, 2013
- Mitsubishi Electric Corporation
- Akihiko Iwata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Integrated circuit device and electronic instrument
- Patent number 8,547,773
- Issue date Oct 1, 2013
- Seiko Epson Corporation
- Takayuki Saiki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Integrated circuit device and electronic instrument
- Patent number 8,547,722
- Issue date Oct 1, 2013
- Seiko Epson Corporation
- Satoru Ito
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Communication system, communication method, distribution apparatus,...
- Patent number 8,447,698
- Issue date May 21, 2013
- Sony Corporation
- Takashi Kumagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Data processing system having data reproduction independent of data...
- Patent number 8,345,365
- Issue date Jan 1, 2013
- Sony Corporation
- Toshiyuki Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated circuit device and electronic instrument
- Patent number 8,339,352
- Issue date Dec 25, 2012
- Seiko Epson Corporation
- Kanji Natori
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Integrated circuit device and electronic instrument
- Patent number 8,310,478
- Issue date Nov 13, 2012
- Seiko Epson Corporation
- Takashi Kumagai
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for automatically separating and detecting noise radio waves
- Patent number 8,249,516
- Issue date Aug 21, 2012
- Hideki Kumagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rectifier with less conduction loss than a diode
- Patent number 8,232,830
- Issue date Jul 31, 2012
- Mitsubishi Electric Corporation
- Miyuki Takeshita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power Conversion Device and Method of Manufacturing Power Conversio...
- Publication number 20240388214
- Publication date Nov 21, 2024
- MITSUBISHI ELECTRIC CORPORATION
- Yukiko MORI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT DEVICE
- Publication number 20240244796
- Publication date Jul 18, 2024
- MITSUBISHI ELECTRIC CORPORATION
- Yoshikazu TSUNODA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Circuit Device
- Publication number 20240244754
- Publication date Jul 18, 2024
- MITSUBISHI ELECTRIC CORPORATION
- Yoshimichi SAITO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
COIL DEVICE AND POWER CONVERSION DEVICE
- Publication number 20240177914
- Publication date May 30, 2024
- MITSUBISHI ELECTRIC CORPORATION
- Hiroyuki KIYONAGA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR MANUFACTURING LAMINATE COIL, LAMINATE COIL, COIL DEVICE,...
- Publication number 20240062955
- Publication date Feb 22, 2024
- MITSUBISHI ELECTRIC CORPORATION
- Kenta FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COIL DEVICE AND POWER CONVERSION DEVICE
- Publication number 20240055171
- Publication date Feb 15, 2024
- MITSUBISHI ELECTRIC CORPORATION
- Takashi KUMAGAI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SOURCE DEVICE
- Publication number 20240039419
- Publication date Feb 1, 2024
- Mitsubishi Electric Corporation
- Taichiro TAMIDA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Power Conversion Device
- Publication number 20230260691
- Publication date Aug 17, 2023
- MITSUBISHI ELECTRIC CORPORATION
- Tomohito FUKUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CORE COOLING STRUCTURE AND POWER CONVERSION DEVICE INCLUDING THE SAME
- Publication number 20220277882
- Publication date Sep 1, 2022
- MITSUBISHI ELECTRIC CORPORATION
- Yoshikazu TSUNODA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LAMINATED COIL, COIL DEVICE, AND POWER CONVERSION DEVICE
- Publication number 20220246347
- Publication date Aug 4, 2022
- MITSUBISHI ELECTRIC CORPORATION
- Kenta FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Coil Device and Power Conversion Device
- Publication number 20220108825
- Publication date Apr 7, 2022
- MITSUBISHI ELECTRIC CORPORATION
- Kazuya YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power Conversion Device
- Publication number 20220102060
- Publication date Mar 31, 2022
- MITSUBISHI ELECTRIC CORPORATION
- Kenta FUJII
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTER AND COIL APPARATUS
- Publication number 20220093321
- Publication date Mar 24, 2022
- MITSUBISHI ELECTRIC CORPORATION
- Kenji NISHIZAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
REACTOR
- Publication number 20210327630
- Publication date Oct 21, 2021
- MITSUBISHI ELECTRIC CORPORATION
- Atsushi HOSOKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT DEVICE AND POWER CONVERSION APPARATUS
- Publication number 20210185817
- Publication date Jun 17, 2021
- MITSUBISHI ELECTRIC CORPORATION
- Kenta FUJII
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
REACTOR
- Publication number 20210065957
- Publication date Mar 4, 2021
- MITSUBISHI ELECTRIC CORPORATION
- Tomohito FUKUDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor Device
- Publication number 20200388550
- Publication date Dec 10, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Shuji WAKAIKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circuit Device and Power Conversion Device
- Publication number 20200367353
- Publication date Nov 19, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Hiroyuki YAHARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20200343155
- Publication date Oct 29, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Hiroyuki KIYONAGA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20200098660
- Publication date Mar 26, 2020
- MITSUBISHI ELECTRIC CORPORATION
- Shuji WAKAIKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIR CORE TYPE REACTOR UNIT AND ELECTRIC POWER SUPPLY EQUIPMENT HAVI...
- Publication number 20190221354
- Publication date Jul 18, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Toshihiro YOSHIDA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE FOR OZONE GENERATOR, AND OZONE GENERATING DEVICE
- Publication number 20190172622
- Publication date Jun 6, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Daisuke TAKAUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CIRCUIT DEVICE
- Publication number 20190110355
- Publication date Apr 11, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Shota SATO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
INSULATION TYPE STEP-UP CONVERTER
- Publication number 20190108937
- Publication date Apr 11, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Koji NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Circuit Apparatus and Power Conversion System
- Publication number 20190103212
- Publication date Apr 4, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Kenta Fujii
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20190066906
- Publication date Feb 28, 2019
- Mitsubishi Electric Corporation
- Takashi HIRATSUKA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUIT DEVICE AND POWER CONVERTER
- Publication number 20190019609
- Publication date Jan 17, 2019
- MITSUBISHI ELECTRIC CORPORATION
- Kenta FUJII
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INSULATION TYPE STEP-DOWN COVERTER
- Publication number 20180350514
- Publication date Dec 6, 2018
- MITSUBISHI ELECTRIC CORPORATION
- Koji NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTER
- Publication number 20180261382
- Publication date Sep 13, 2018
- MITSUBISHI ELECTRIC CORPORATION
- Koji NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERTER
- Publication number 20180174739
- Publication date Jun 21, 2018
- MITSUBISHI ELECTRIC CORPORATION
- Koji NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS

Takashi Kumagai

Person

Patents Grantslast 30 patents

Reactor

Power conversion device

Reactor

Semiconductor device

Circuit device and power conversion device

Power circuit device

Power converter

Circuit device and power converter

Power converter

Air core type reactor unit and electric power supply equipment havi...

Board-type noise filter and electronic device

Insulation type step-up converter

Insulation type step-down coverter

Communication system, communication method, distribution apparatus,...

Insulation type step-down converter

Insulation type step-down converter

Data processing system having data reproduction independent of data...

Antischistosomal agent

Data processing system having data reproduction independent of data...

Device having capacitive loads and abnormality detecting method the...

Light source lighting device including a constant-current supply th...

Power conversion apparatus

Integrated circuit device and electronic instrument

Integrated circuit device and electronic instrument

Communication system, communication method, distribution apparatus,...

Data processing system having data reproduction independent of data...

Integrated circuit device and electronic instrument

Integrated circuit device and electronic instrument

Apparatus for automatically separating and detecting noise radio waves

Rectifier with less conduction loss than a diode

Patents Applicationslast 30 patents

Power Conversion Device and Method of Manufacturing Power Conversio...

CIRCUIT DEVICE

Circuit Device

COIL DEVICE AND POWER CONVERSION DEVICE

METHOD FOR MANUFACTURING LAMINATE COIL, LAMINATE COIL, COIL DEVICE,...

COIL DEVICE AND POWER CONVERSION DEVICE

POWER SOURCE DEVICE

Power Conversion Device

CORE COOLING STRUCTURE AND POWER CONVERSION DEVICE INCLUDING THE SAME

LAMINATED COIL, COIL DEVICE, AND POWER CONVERSION DEVICE

Coil Device and Power Conversion Device

Power Conversion Device

POWER CONVERTER AND COIL APPARATUS

REACTOR

CIRCUIT DEVICE AND POWER CONVERSION APPARATUS

REACTOR

Semiconductor Device

Circuit Device and Power Conversion Device

POWER CONVERSION DEVICE

SEMICONDUCTOR DEVICE

AIR CORE TYPE REACTOR UNIT AND ELECTRIC POWER SUPPLY EQUIPMENT HAVI...

POWER SUPPLY DEVICE FOR OZONE GENERATOR, AND OZONE GENERATING DEVICE

POWER CIRCUIT DEVICE

INSULATION TYPE STEP-UP CONVERTER

Circuit Apparatus and Power Conversion System

POWER CONVERSION DEVICE

CIRCUIT DEVICE AND POWER CONVERTER

INSULATION TYPE STEP-DOWN COVERTER

POWER CONVERTER

POWER CONVERTER