Masashi AKAHANE

Person

Matsumoto-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power supply circuit and switching control circuit
- Patent number 12,273,018
- Issue date Apr 8, 2025
- Fuji Electric Co., Ltd.
- Masashi Akahane
- G05 - CONTROLLING REGULATING
Information Patent Grant
Driving apparatus and driving method
- Patent number 12,218,656
- Issue date Feb 4, 2025
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power module and level conversion circuit thereof
- Patent number 12,155,319
- Issue date Nov 26, 2024
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overcurrent detection circuit and drive circuit
- Patent number 12,078,663
- Issue date Sep 3, 2024
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Device, semiconductor apparatus, gate driver, and power module
- Patent number 12,027,842
- Issue date Jul 2, 2024
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Slave communication apparatus and master communication apparatus
- Patent number 12,007,825
- Issue date Jun 11, 2024
- Fuji Electric Co., Ltd.
- Masashi Akahane
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Integrated circuit and semiconductor module
- Patent number 11,841,728
- Issue date Dec 12, 2023
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Comparator circuit and semiconductor device
- Patent number 11,784,636
- Issue date Oct 10, 2023
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter circuit and semiconductor device
- Patent number 11,736,094
- Issue date Aug 22, 2023
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal transmitting device
- Patent number 11,581,480
- Issue date Feb 14, 2023
- Fuji Electric Co., Ltd.
- Masashi Akahane
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Drive circuit, drive method, and semiconductor system
- Patent number 11,469,751
- Issue date Oct 11, 2022
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overcurrent sense control of semiconductor device
- Patent number 11,387,642
- Issue date Jul 12, 2022
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive circuit
- Patent number 11,309,893
- Issue date Apr 19, 2022
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Overcurrent detection device, control device, and overcurrent detec...
- Patent number 11,228,307
- Issue date Jan 18, 2022
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switching control circuit and semiconductor device
- Patent number 11,201,536
- Issue date Dec 14, 2021
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Slave communication apparatus and master communication apparatus
- Patent number 11,188,137
- Issue date Nov 30, 2021
- Fuji Electric Co., Ltd.
- Masashi Akahane
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Drive circuit, drive method, and semiconductor system
- Patent number 11,165,418
- Issue date Nov 2, 2021
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Switching control circuit
- Patent number 11,133,738
- Issue date Sep 28, 2021
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive circuit
- Patent number 10,897,255
- Issue date Jan 19, 2021
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power module with high-side and low-side programmable circuit
- Patent number 10,840,796
- Issue date Nov 17, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Data communication system, data communication apparatus, and sensor...
- Patent number 10,841,071
- Issue date Nov 17, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Current detection circuit and current detection method of semicondu...
- Patent number 10,809,285
- Issue date Oct 20, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- G01 - MEASURING TESTING
Information Patent Grant
Drive circuit
- Patent number 10,804,893
- Issue date Oct 13, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated circuit device
- Patent number 10,797,692
- Issue date Oct 6, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Drive device and power conversion device
- Patent number 10,700,590
- Issue date Jun 30, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Data communication system, data communication apparatus, and sensor...
- Patent number 10,644,866
- Issue date May 5, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power module with high-side and low-side programmable circuit
- Patent number 10,644,582
- Issue date May 5, 2020
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Driving circuit
- Patent number 10,511,298
- Issue date Dec 17, 2019
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device for high-voltage circuit
- Patent number 10,396,775
- Issue date Aug 27, 2019
- Fuji Electric Co., Ltd.
- Akihiro Jonishi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device
- Patent number 10,374,592
- Issue date Aug 6, 2019
- Fuji Electric Co., Ltd.
- Masashi Akahane
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
DRIVING DEVICE
- Publication number 20250150071
- Publication date May 8, 2025
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CIRCUIT APPARATUS AND POWER CONVERSION CIRCUIT
- Publication number 20250023485
- Publication date Jan 16, 2025
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DEVICE, SEMICONDUCTOR APPARATUS, GATE DRIVER, AND POWER MODULE
- Publication number 20240348037
- Publication date Oct 17, 2024
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DELAY APPARATUS AND DELAY METHOD
- Publication number 20240162897
- Publication date May 16, 2024
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CLOCK GENERATING APPARATUS AND DRIVING APPARATUS
- Publication number 20240106418
- Publication date Mar 28, 2024
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVING APPARATUS AND DRIVING METHOD
- Publication number 20230327659
- Publication date Oct 12, 2023
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
INTEGRATED CIRCUIT AND SEMICONDUCTOR MODULE
- Publication number 20230266784
- Publication date Aug 24, 2023
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- G05 - CONTROLLING REGULATING
Information Patent Application
DEVICE, SEMICONDUCTOR APPARATUS, GATE DRIVER, AND POWER MODULE
- Publication number 20230109365
- Publication date Apr 6, 2023
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INTEGRATED CIRCUIT AND SEMICONDUCTOR MODULE
- Publication number 20230006656
- Publication date Jan 5, 2023
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OVERCURRENT DETECTION CIRCUIT AND DRIVE CIRCUIT
- Publication number 20220390492
- Publication date Dec 8, 2022
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER SUPPLY CIRCUIT AND SWITCHING CONTROL CIRCUIT
- Publication number 20220368211
- Publication date Nov 17, 2022
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMPARATOR CIRCUIT AND SEMICONDUCTOR DEVICE
- Publication number 20220085798
- Publication date Mar 17, 2022
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SLAVE COMMUNICATION APPARATUS AND MASTER COMMUNICATION APPARATUS
- Publication number 20220075439
- Publication date Mar 10, 2022
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DRIVE CIRCUIT, DRIVE METHOD, AND SEMICONDUCTOR SYSTEM
- Publication number 20220045671
- Publication date Feb 10, 2022
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FILTER CIRCUIT AND SEMICONDUCTOR DEVICE
- Publication number 20220006447
- Publication date Jan 6, 2022
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER MODULE AND LEVEL CONVERSION CIRCUIT THEREOF
- Publication number 20210184562
- Publication date Jun 17, 2021
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVE CIRCUIT
- Publication number 20210184679
- Publication date Jun 17, 2021
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SWITCHING CONTROL CIRCUIT AND SEMICONDUCTOR DEVICE
- Publication number 20210152075
- Publication date May 20, 2021
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SWITCHING CONTROL CIRCUIT
- Publication number 20210152073
- Publication date May 20, 2021
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE CIRCUIT
- Publication number 20200295749
- Publication date Sep 17, 2020
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DRIVE CIRCUIT
- Publication number 20200295759
- Publication date Sep 17, 2020
- FUJI ELECTRIC CO., LTD.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER MODULE WITH HIGH-SIDE AND LOW-SIDE PROGRAMMABLE CIRCUIT
- Publication number 20200251978
- Publication date Aug 6, 2020
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DATA COMMUNICATION SYSTEM, DATA COMMUNICATION APPARATUS, AND SENSOR...
- Publication number 20200244432
- Publication date Jul 30, 2020
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DRIVE CIRCUIT, DRIVE METHOD, AND SEMICONDUCTOR SYSTEM
- Publication number 20200228110
- Publication date Jul 16, 2020
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SLAVE COMMUNICATION APPARATUS AND MASTER COMMUNICATION APPARATUS
- Publication number 20200042073
- Publication date Feb 6, 2020
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OVERCURRENT DETECTION DEVICE, CONTROL DEVICE, AND OVERCURRENT DETEC...
- Publication number 20200036374
- Publication date Jan 30, 2020
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE DEVICE AND POWER CONVERSION DEVICE
- Publication number 20190288592
- Publication date Sep 19, 2019
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
CONTROL DEVICE AND SEMICONDUCTOR DEVICE
- Publication number 20190280473
- Publication date Sep 12, 2019
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER MODULE WITH HIGH-SIDE AND LOW-SIDE PROGRAMMABLE CIRCUIT
- Publication number 20190238045
- Publication date Aug 1, 2019
- Fuji Electric Co., Ltd.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CURRENT DETECTION CIRCUIT AND CURRENT DETECTION METHOD OF SEMICONDU...
- Publication number 20190187190
- Publication date Jun 20, 2019
- FUJI ELECTRIC CO.,LTD.
- Masashi AKAHANE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Masashi AKAHANE

Person

Patents Grantslast 30 patents

Power supply circuit and switching control circuit

Driving apparatus and driving method

Power module and level conversion circuit thereof

Overcurrent detection circuit and drive circuit

Device, semiconductor apparatus, gate driver, and power module

Slave communication apparatus and master communication apparatus

Integrated circuit and semiconductor module

Comparator circuit and semiconductor device

Filter circuit and semiconductor device

Signal transmitting device

Drive circuit, drive method, and semiconductor system

Overcurrent sense control of semiconductor device

Drive circuit

Overcurrent detection device, control device, and overcurrent detec...

Switching control circuit and semiconductor device

Slave communication apparatus and master communication apparatus

Drive circuit, drive method, and semiconductor system

Switching control circuit

Drive circuit

Power module with high-side and low-side programmable circuit

Data communication system, data communication apparatus, and sensor...

Current detection circuit and current detection method of semicondu...

Drive circuit

Integrated circuit device

Drive device and power conversion device

Data communication system, data communication apparatus, and sensor...

Power module with high-side and low-side programmable circuit

Driving circuit

Semiconductor device for high-voltage circuit

Semiconductor device

Patents Applicationslast 30 patents

DRIVING DEVICE

CIRCUIT APPARATUS AND POWER CONVERSION CIRCUIT

DEVICE, SEMICONDUCTOR APPARATUS, GATE DRIVER, AND POWER MODULE

DELAY APPARATUS AND DELAY METHOD

CLOCK GENERATING APPARATUS AND DRIVING APPARATUS

DRIVING APPARATUS AND DRIVING METHOD

INTEGRATED CIRCUIT AND SEMICONDUCTOR MODULE

DEVICE, SEMICONDUCTOR APPARATUS, GATE DRIVER, AND POWER MODULE

INTEGRATED CIRCUIT AND SEMICONDUCTOR MODULE

OVERCURRENT DETECTION CIRCUIT AND DRIVE CIRCUIT

POWER SUPPLY CIRCUIT AND SWITCHING CONTROL CIRCUIT

COMPARATOR CIRCUIT AND SEMICONDUCTOR DEVICE

SLAVE COMMUNICATION APPARATUS AND MASTER COMMUNICATION APPARATUS

DRIVE CIRCUIT, DRIVE METHOD, AND SEMICONDUCTOR SYSTEM

FILTER CIRCUIT AND SEMICONDUCTOR DEVICE

POWER MODULE AND LEVEL CONVERSION CIRCUIT THEREOF

DRIVE CIRCUIT

SWITCHING CONTROL CIRCUIT AND SEMICONDUCTOR DEVICE

SWITCHING CONTROL CIRCUIT

DRIVE CIRCUIT

DRIVE CIRCUIT

POWER MODULE WITH HIGH-SIDE AND LOW-SIDE PROGRAMMABLE CIRCUIT

DATA COMMUNICATION SYSTEM, DATA COMMUNICATION APPARATUS, AND SENSOR...

DRIVE CIRCUIT, DRIVE METHOD, AND SEMICONDUCTOR SYSTEM

SLAVE COMMUNICATION APPARATUS AND MASTER COMMUNICATION APPARATUS

OVERCURRENT DETECTION DEVICE, CONTROL DEVICE, AND OVERCURRENT DETEC...

DRIVE DEVICE AND POWER CONVERSION DEVICE

CONTROL DEVICE AND SEMICONDUCTOR DEVICE

POWER MODULE WITH HIGH-SIDE AND LOW-SIDE PROGRAMMABLE CIRCUIT

CURRENT DETECTION CIRCUIT AND CURRENT DETECTION METHOD OF SEMICONDU...