Fumio URAKAWA

Follow

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

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
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 conversion device and method for determining operational stat...
- Patent number 10,476,259
- Issue date Nov 12, 2019
- Sumitomo Electric Industries, Ltd
- Toshiaki Okumura
- 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 CONVERSION DEVICE AND METHOD FOR DETERMINING OPERATIONAL STAT...
- Publication number 20190181635
- Publication date Jun 13, 2019
- Sumitomo Electric Industries, Ltd.
- Toshiaki Okumura
- 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