Byung-Hak Chang

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Kunpo, KR

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid air mobility system
- Patent number 11,851,189
- Issue date Dec 26, 2023
- Hyundai Motor Company
- Woo Suk Jung
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Engine block having improved cooling system
- Patent number 6,470,839
- Issue date Oct 29, 2002
- Hyundai Motor Company
- Byung-Hak Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
AIRCRAFT EQUIPPED WITH FUEL CELL SYSTEM
- Publication number 20240025551
- Publication date Jan 25, 2024
- Hyundai Motor Company
- Byung Wook Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIRCRAFT EQUIPPED WITH FUEL CELL SYSTEM AND THRUST CONTROL METHOD
- Publication number 20240025554
- Publication date Jan 25, 2024
- Hyundai Motor Company
- Byung Wook Chang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HYBRID AIR MOBILITY SYSTEM
- Publication number 20220340286
- Publication date Oct 27, 2022
- KIA CORPORATION
- Woo Suk Jung
- B60 - VEHICLES IN GENERAL
Information Patent Application
Engine block having improved cooling system
- Publication number 20020026908
- Publication date Mar 7, 2002
- Byung-Hak Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS