Kunio MATSUBARA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Short-circuit detector and power converter
- Patent number 11,955,791
- Issue date Apr 9, 2024
- Fuji Electric Co., Ltd.
- Natsuko Takeuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gate driving apparatus, switching apparatus and gate driving method
- Patent number 11,894,837
- Issue date Feb 6, 2024
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Short-circuit determining apparatus, switch apparatus and short-cir...
- Patent number 11,500,015
- Issue date Nov 15, 2022
- Fuji Electric Co., Ltd.
- Ryoga Kiguchi
- G01 - MEASURING TESTING
Information Patent Grant
Gate drive apparatus, switching apparatus, and gate drive method
- Patent number 11,329,644
- Issue date May 10, 2022
- Fuji Electric Co., Ltd.
- Tsuyoshi Nagano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving apparatus and switching apparatus
- Patent number 11,329,645
- Issue date May 10, 2022
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gate drive device and switching device
- Patent number 11,271,560
- Issue date Mar 8, 2022
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gate driver and power converter
- Patent number 11,205,948
- Issue date Dec 21, 2021
- Fuji Electric Co., Ltd.
- Tsuyoshi Nagano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gate drive apparatus and switching apparatus
- Patent number 11,196,336
- Issue date Dec 7, 2021
- Fuji Electric Co., Ltd.
- Tsuyoshi Nagano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gate driver and power converter
- Patent number 11,152,933
- Issue date Oct 19, 2021
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving apparatus and switching apparatus
- Patent number 11,115,017
- Issue date Sep 7, 2021
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gate driver and power converter
- Patent number 11,056,965
- Issue date Jul 6, 2021
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving apparatus and switching apparatus
- Patent number 10,944,395
- Issue date Mar 9, 2021
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gate drive apparatus, switching apparatus, and gate drive method
- Patent number 10,855,272
- Issue date Dec 1, 2020
- Fuji Electric Co., Ltd.
- Tsuyoshi Nagano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gate driver and power converter
- Patent number 10,819,212
- Issue date Oct 27, 2020
- Fuji Electric Co., Ltd.
- Tsuyoshi Nagano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driving device and switching device
- Patent number 10,637,465
- Issue date Apr 28, 2020
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving apparatus and semiconductor device
- Patent number 10,608,626
- Issue date Mar 31, 2020
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driving device and switching device
- Patent number 10,547,300
- Issue date Jan 28, 2020
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driving apparatus and switching apparatus
- Patent number 10,505,535
- Issue date Dec 10, 2019
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bidirectional DC/DC converter
- Patent number 9,774,269
- Issue date Sep 26, 2017
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bi-directional DC/DC converter with frequency control change-over
- Patent number 9,197,135
- Issue date Nov 24, 2015
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SHORT-CIRCUIT DETECTOR AND POWER CONVERTER
- Publication number 20220190590
- Publication date Jun 16, 2022
- Fuji Electric Co., Ltd.
- Natsuko TAKEUCHI
- G01 - MEASURING TESTING
Information Patent Application
SHORT-CIRCUIT DETERMINING APPARATUS, SWITCH APPARATUS AND SHORT-CIR...
- Publication number 20220003816
- Publication date Jan 6, 2022
- Fuji Electric Co., Ltd.
- Ryoga KIGUCHI
- G01 - MEASURING TESTING
Information Patent Application
GATE DRIVING APPARATUS, SWITCHING APPARATUS AND GATE DRIVING METHOD
- Publication number 20210376826
- Publication date Dec 2, 2021
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
GATE DRIVE DEVICE AND SWITCHING DEVICE
- Publication number 20210184670
- Publication date Jun 17, 2021
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVING APPARATUS AND SWITCHING APPARATUS
- Publication number 20210175885
- Publication date Jun 10, 2021
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
GATE DRIVE APPARATUS AND SWITCHING APPARATUS
- Publication number 20210152171
- Publication date May 20, 2021
- Fuji Electric Co., Ltd.
- Tsuyoshi NAGANO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GATE DRIVER AND POWER CONVERTER
- Publication number 20210143812
- Publication date May 13, 2021
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GATE DRIVE APPARATUS, SWITCHING APPARATUS, AND GATE DRIVE METHOD
- Publication number 20210083663
- Publication date Mar 18, 2021
- Fuji Electric Co., Ltd.
- Tsuyoshi NAGANO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
GATE DRIVER AND POWER CONVERTER
- Publication number 20210013792
- Publication date Jan 14, 2021
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GATE DRIVER AND POWER CONVERTER
- Publication number 20210006146
- Publication date Jan 7, 2021
- Fuji Electric Co., Ltd.
- Tsuyoshi NAGANO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
GATE DRIVE APPARATUS, SWITCHING APPARATUS, AND GATE DRIVE METHOD
- Publication number 20200389167
- Publication date Dec 10, 2020
- Fuji Electric Co., Ltd.
- Tsuyoshi NAGANO
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVING APPARATUS AND SWITCHING APPARATUS
- Publication number 20200389164
- Publication date Dec 10, 2020
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVING APPARATUS AND SWITCHING APPARATUS
- Publication number 20200112306
- Publication date Apr 9, 2020
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVING DEVICE AND SWITCHING DEVICE
- Publication number 20200036380
- Publication date Jan 30, 2020
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- G01 - MEASURING TESTING
Information Patent Application
DRIVING DEVICE AND SWITCHING DEVICE
- Publication number 20200036371
- Publication date Jan 30, 2020
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- G01 - MEASURING TESTING
Information Patent Application
DRIVING APPARATUS AND SEMICONDUCTOR DEVICE
- Publication number 20190190511
- Publication date Jun 20, 2019
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVING APPARATUS AND SWITCHING APPARATUS
- Publication number 20180316344
- Publication date Nov 1, 2018
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BIDIRECTIONAL DC/DC CONVERTER
- Publication number 20150381064
- Publication date Dec 31, 2015
- Fuji Electric Co., Ltd.
- Kunio Matsubara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BI-DIRECTIONAL DC/DC CONVERTER
- Publication number 20140104890
- Publication date Apr 17, 2014
- Fuji Electric Co., Ltd.
- Kunio MATSUBARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Kunio MATSUBARA

Person

Patents Grantslast 30 patents

Short-circuit detector and power converter

Gate driving apparatus, switching apparatus and gate driving method

Short-circuit determining apparatus, switch apparatus and short-cir...

Gate drive apparatus, switching apparatus, and gate drive method

Driving apparatus and switching apparatus

Gate drive device and switching device

Gate driver and power converter

Gate drive apparatus and switching apparatus

Gate driver and power converter

Driving apparatus and switching apparatus

Gate driver and power converter

Driving apparatus and switching apparatus

Gate drive apparatus, switching apparatus, and gate drive method

Gate driver and power converter

Driving device and switching device

Driving apparatus and semiconductor device

Driving device and switching device

Driving apparatus and switching apparatus

Bidirectional DC/DC converter

Bi-directional DC/DC converter with frequency control change-over

Patents Applicationslast 30 patents

SHORT-CIRCUIT DETECTOR AND POWER CONVERTER

SHORT-CIRCUIT DETERMINING APPARATUS, SWITCH APPARATUS AND SHORT-CIR...

GATE DRIVING APPARATUS, SWITCHING APPARATUS AND GATE DRIVING METHOD

GATE DRIVE DEVICE AND SWITCHING DEVICE

DRIVING APPARATUS AND SWITCHING APPARATUS

GATE DRIVE APPARATUS AND SWITCHING APPARATUS

GATE DRIVER AND POWER CONVERTER

GATE DRIVE APPARATUS, SWITCHING APPARATUS, AND GATE DRIVE METHOD

GATE DRIVER AND POWER CONVERTER

GATE DRIVER AND POWER CONVERTER

GATE DRIVE APPARATUS, SWITCHING APPARATUS, AND GATE DRIVE METHOD

DRIVING APPARATUS AND SWITCHING APPARATUS

DRIVING APPARATUS AND SWITCHING APPARATUS

DRIVING DEVICE AND SWITCHING DEVICE

DRIVING DEVICE AND SWITCHING DEVICE

DRIVING APPARATUS AND SEMICONDUCTOR DEVICE

DRIVING APPARATUS AND SWITCHING APPARATUS

BIDIRECTIONAL DC/DC CONVERTER

BI-DIRECTIONAL DC/DC CONVERTER