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Ryu ARAKI
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Matsumoto, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Power module with built-in drive circuits
Patent number
11,621,709
Issue date
Apr 4, 2023
Fuji Electric Co., Ltd.
Ryu Araki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Evaluation method, estimation method, evaluation apparatus, and com...
Patent number
11,506,701
Issue date
Nov 22, 2022
Fuji Electric Co., Ltd.
Miwako Fujita
G01 - MEASURING TESTING
Information
Patent Grant
Evaluation method, combined evaluation method, evaluation apparatus...
Patent number
11,162,993
Issue date
Nov 2, 2021
Fuji Electric Co., Ltd.
Hiroki Katsumata
G01 - MEASURING TESTING
Information
Patent Grant
Evaluation method, estimation method, evaluation apparatus, and com...
Patent number
11,143,691
Issue date
Oct 12, 2021
Fuji Electric Co., Ltd.
Hiroki Katsumata
G01 - MEASURING TESTING
Information
Patent Grant
Power module with built-in drive circuit
Patent number
11,050,358
Issue date
Jun 29, 2021
Fuji Electric Co., Ltd.
Ryu Araki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Integrated circuit and semiconductor device
Patent number
10,985,749
Issue date
Apr 20, 2021
Fuji Electric Co., Ltd.
Ryu Araki
G01 - MEASURING TESTING
Information
Patent Grant
Semiconductor device having a decreased switching loss
Patent number
10,320,278
Issue date
Jun 11, 2019
Fuji Electric Co., Ltd.
Ryu Araki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Switching element driving device
Patent number
10,186,946
Issue date
Jan 22, 2019
Fuji Electric Co., Ltd.
Ryu Araki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multi-phase power device with two-phase modulation scheme
Patent number
10,090,778
Issue date
Oct 2, 2018
Fuji Electric Co., Ltd.
Ryu Araki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR APPARATUS AND SEMICONDUCTOR CHIP
Publication number
20230188074
Publication date
Jun 15, 2023
Fuji Electric Co., Ltd.
Ryu ARAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND SYSTEM
Publication number
20210384333
Publication date
Dec 9, 2021
Fuji Electric Co., Ltd.
Shigeki SATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20210384331
Publication date
Dec 9, 2021
Fuji Electric Co., Ltd.
Shigeki SATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER MODULE WITH BUILT-IN DRIVE CIRCUITS
Publication number
20210359676
Publication date
Nov 18, 2021
Fuji Electric Co., Ltd.
Ryu ARAKI
G01 - MEASURING TESTING
Information
Patent Application
INTEGRATED CIRCUIT AND SEMICONDUCTOR DEVICE
Publication number
20200395930
Publication date
Dec 17, 2020
Fuji Electric Co., Ltd.
Ryu ARAKI
G01 - MEASURING TESTING
Information
Patent Application
POWER MODULE WITH BUILT-IN DRIVE CIRCUIT
Publication number
20200321901
Publication date
Oct 8, 2020
Fuji Electric Co., Ltd.
Ryu ARAKI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
EVALUATION METHOD, ESTIMATION METHOD, EVALUATION APPARATUS, AND COM...
Publication number
20200217884
Publication date
Jul 9, 2020
Fuji Electric Co., Ltd.
Miwako FUJITA
G01 - MEASURING TESTING
Information
Patent Application
EVALUATION METHOD, ESTIMATION METHOD, EVALUATION APPARATUS, AND COM...
Publication number
20190170807
Publication date
Jun 6, 2019
Fuji Electric Co., Ltd.
Hiroki KATSUMATA
G01 - MEASURING TESTING
Information
Patent Application
EVALUATION METHOD, COMBINED EVALUATION METHOD, EVALUATION APPARATUS...
Publication number
20190170798
Publication date
Jun 6, 2019
Fuji Electric Co., Ltd.
Hiroki KATSUMATA
G01 - MEASURING TESTING
Information
Patent Application
SWITCHING ELEMENT DRIVING DEVICE
Publication number
20180294709
Publication date
Oct 11, 2018
Fuji Electric Co., Ltd.
Ryu ARAKI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
A MULTI-PHASE POWER DEVICE WITH TWO-PHASE MODULATION SCHEME
Publication number
20180234032
Publication date
Aug 16, 2018
Fuji Electric Co., Ltd.
Ryu ARAKI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20170324316
Publication date
Nov 9, 2017
Fuji Electric Co., Ltd.
Ryu ARAKI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER