Masayoshi Hirota

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Driving apparatus and driving method for semiconductor switch, powe...
- Patent number 11,799,372
- Issue date Oct 24, 2023
- Sumitomo Electric Industries, Ltd.
- Masayoshi Hirota
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Coil component, circuit board, and power supply device
- Patent number 11,721,472
- Issue date Aug 8, 2023
- Sumitomo Electric Industries, Ltd.
- Xiaoguang Zheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply device
- Patent number 10,811,953
- Issue date Oct 20, 2020
- Sumitomo Electric Industries, Ltd
- Masayoshi Hirota
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Electronic circuit device
- Patent number 10,811,976
- Issue date Oct 20, 2020
- Sumitomo Electric Industries, Ltd
- Yusuke Okagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Converter and control circuit
- Patent number 10,250,121
- Issue date Apr 2, 2019
- Sumitomo Electric Industries, Ltd
- Masayoshi Hirota
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power conversion apparatus and control method for power conversion...
- Patent number 10,224,818
- Issue date Mar 5, 2019
- Sumitomo Electric Industries, Ltd
- Masayoshi Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-AC conversion device, control circuit controlling operation of D...
- Patent number 9,660,517
- Issue date May 23, 2017
- Sumitomo Electric Industries, Ltd
- Masayoshi Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
POWER SYSTEM AND VEHICLE PROVIDED WITH THE SAME
- Publication number 20220085641
- Publication date Mar 17, 2022
- Sumitomo Electric Industries, Ltd.
- Masayoshi HIROTA
- B60 - VEHICLES IN GENERAL
Information Patent Application
DRIVING APPARATUS AND DRIVING METHOD FOR SEMICONDUCTOR SWITCH, POWE...
- Publication number 20210344268
- Publication date Nov 4, 2021
- Sumitomo Electric Industries, Ltd.
- Masayoshi Hirota
- B60 - VEHICLES IN GENERAL
Information Patent Application
COIL COMPONENT, CIRCUIT BOARD, AND POWER SUPPLY DEVICE
- Publication number 20200227200
- Publication date Jul 16, 2020
- Sumitomo Electric Industries, Ltd.
- Xiaoguang ZHENG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRONIC CIRCUIT DEVICE
- Publication number 20200195147
- Publication date Jun 18, 2020
- Sumitomo Electric Industries, Ltd.
- Yusuke OKAGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20180219471
- Publication date Aug 2, 2018
- Sumitomo Electric Industries, Ltd.
- Masayoshi Hirota
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER CONVERSION APPARATUS AND CONTROL METHOD FOR POWER CONVERSION...
- Publication number 20180109193
- Publication date Apr 19, 2018
- Sumitomo Electric Industries, Ltd.
- Masayoshi Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONVERTER AND CONTROL CIRCUIT
- Publication number 20180026520
- Publication date Jan 25, 2018
- Sumitomo Electric Industries, Ltd.
- Masayoshi Hirota
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-AC CONVERSION DEVICE, CONTROL CIRCUIT CONTROLLING OPERATION OF D...
- Publication number 20150372584
- Publication date Dec 24, 2015
- Sumitomo Electric Industries, Ltd.
- Masayoshi HIROTA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20120104859
- Publication date May 3, 2012
- Sumitomo Electric Industries, Ltd.
- Kazuhiko Nii
- B60 - VEHICLES IN GENERAL

Masayoshi Hirota

Person

Patents Grantslast 30 patents

Driving apparatus and driving method for semiconductor switch, powe...

Coil component, circuit board, and power supply device

Power supply device

Electronic circuit device

Converter and control circuit

Power conversion apparatus and control method for power conversion...

DC-AC conversion device, control circuit controlling operation of D...

Patents Applicationslast 30 patents

POWER SYSTEM AND VEHICLE PROVIDED WITH THE SAME

DRIVING APPARATUS AND DRIVING METHOD FOR SEMICONDUCTOR SWITCH, POWE...

COIL COMPONENT, CIRCUIT BOARD, AND POWER SUPPLY DEVICE

ELECTRONIC CIRCUIT DEVICE

POWER SUPPLY DEVICE

POWER CONVERSION APPARATUS AND CONTROL METHOD FOR POWER CONVERSION...

CONVERTER AND CONTROL CIRCUIT

DC-AC CONVERSION DEVICE, CONTROL CIRCUIT CONTROLLING OPERATION OF D...

POWER CONVERSION DEVICE