Jeewook Chang

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power supply device
- Patent number 11,043,825
- Issue date Jun 22, 2021
- SANYO ELECTRIC CO., LTD.
- Motoji Takeuchi
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC POWER SUPPLY SYSTEM FOR BATTERY ASSEMBLY CONTROL CIRCUIT O...
- Publication number 20230099799
- Publication date Mar 30, 2023
- SANYO Electric Co., Ltd.
- Jeewook Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY DEVICE
- Publication number 20190245359
- Publication date Aug 8, 2019
- SANYO ELECTRIC CO., LTD.
- Motoji Takeuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER