Tetsuo Akita

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power storage device
- Patent number 11,217,842
- Issue date Jan 4, 2022
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Storage battery system and power display device
- Patent number 11,101,660
- Issue date Aug 24, 2021
- Sumitomo Electric Industries, Ltd.
- Fumio Urakawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply device and power supply system
- Patent number 11,031,807
- Issue date Jun 8, 2021
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power conversion device and control method for power conversion device
- Patent number 10,917,022
- Issue date Feb 9, 2021
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion device and method for controlling same
- Patent number 10,530,238
- Issue date Jan 7, 2020
- Sumitomo Electric Industries, Ltd
- Tetsuo Akita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Input-voltage-abnormality detection method and power source device
- Patent number 10,481,184
- Issue date Nov 19, 2019
- Sumitomo Electric Industries, Ltd
- Fumio Urakawa
- G01 - MEASURING TESTING
Information Patent Grant
Power supply device and switch control method therefor
- Patent number 10,411,501
- Issue date Sep 10, 2019
- Sumitomo Electric Industries, Ltd
- Tetsuo Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Conversion device
- Patent number 10,355,620
- Issue date Jul 16, 2019
- Sumitomo Electric Industries, Ltd
- Naoki Ayai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply unit and method for backfeed protection thereof
- Patent number 10,355,519
- Issue date Jul 16, 2019
- Sumitomo Electric Industries, Ltd
- Tetsuo Akita
- G01 - MEASURING TESTING
Information Patent Grant
Conversion device for converting voltage in a non-insulated manner...
- Patent number 10,348,190
- Issue date Jul 9, 2019
- Sumitomo Electric Industries, Ltd
- Yusuke Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Gate-blocking a DC/DC converter based upon output current of an AC...
- Patent number 10,340,814
- Issue date Jul 2, 2019
- Sumitomo Electric Industries, Ltd
- Yusuke Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
High-frequency switching type conversion device
- Patent number 9,882,508
- Issue date Jan 30, 2018
- Sumitomo Electric Industries, Ltd
- Naoki Ayai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
STORAGE BATTERY SYSTEM AND POWER DISPLAY DEVICE
- Publication number 20200112175
- Publication date Apr 9, 2020
- Sumitomo Electric Industries, Ltd.
- Fumio URAKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER STORAGE DEVICE
- Publication number 20200036069
- Publication date Jan 30, 2020
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERSION DEVICE AND CONTROL METHOD FOR POWER CONVERSION DEVICE
- Publication number 20190238064
- Publication date Aug 1, 2019
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE AND POWER SUPPLY SYSTEM
- Publication number 20190237995
- Publication date Aug 1, 2019
- Tetsuo Akita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERSION DEVICE AND METHOD FOR CONTROLLING SAME
- Publication number 20190081575
- Publication date Mar 14, 2019
- Sumitomo Electric Industries, Ltd.
- Yusuke Shimizu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY UNIT AND METHOD FOR BACKFEED PROTECTION THEREOF
- Publication number 20190081505
- Publication date Mar 14, 2019
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
INPUT-VOLTAGE-ABNORMALITY DETECTION METHOD AND POWER SOURCE DEVICE
- Publication number 20180217187
- Publication date Aug 2, 2018
- Sumitomo Electric Industries, Ltd.
- Fumio URAKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY DEVICE AND SWITCH CONTROL METHOD THEREFOR
- Publication number 20180205262
- Publication date Jul 19, 2018
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER CONVERSION DEVICE AND METHOD FOR CONTROLLING SAME
- Publication number 20180183319
- Publication date Jun 28, 2018
- Sumitomo Electric Industries, Ltd.
- Tetsuo Akita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONVERSION DEVICE AND METHOD FOR CONTROLLING THE SAME
- Publication number 20180166979
- Publication date Jun 14, 2018
- Sumitomo Electric Industries, Ltd.
- Yusuke SHIMIZU
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONVERSION DEVICE
- Publication number 20170229978
- Publication date Aug 10, 2017
- Sumitomo Electric Industries, Ltd.
- Naoki Ayai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONVERSION DEVICE
- Publication number 20160268890
- Publication date Sep 15, 2016
- Naoki Ayai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Tetsuo Akita

Person

Patents Grantslast 30 patents

Power storage device

Storage battery system and power display device

Power supply device and power supply system

Power conversion device and control method for power conversion device

Power conversion device and method for controlling same

Input-voltage-abnormality detection method and power source device

Power supply device and switch control method therefor

Conversion device

Power supply unit and method for backfeed protection thereof

Conversion device for converting voltage in a non-insulated manner...

Gate-blocking a DC/DC converter based upon output current of an AC...

High-frequency switching type conversion device

Patents Applicationslast 30 patents

STORAGE BATTERY SYSTEM AND POWER DISPLAY DEVICE

POWER STORAGE DEVICE

POWER CONVERSION DEVICE AND CONTROL METHOD FOR POWER CONVERSION DEVICE

POWER SUPPLY DEVICE AND POWER SUPPLY SYSTEM

POWER CONVERSION DEVICE AND METHOD FOR CONTROLLING SAME

POWER SUPPLY UNIT AND METHOD FOR BACKFEED PROTECTION THEREOF

INPUT-VOLTAGE-ABNORMALITY DETECTION METHOD AND POWER SOURCE DEVICE

POWER SUPPLY DEVICE AND SWITCH CONTROL METHOD THEREFOR

POWER CONVERSION DEVICE AND METHOD FOR CONTROLLING SAME

CONVERSION DEVICE AND METHOD FOR CONTROLLING THE SAME

CONVERSION DEVICE

CONVERSION DEVICE