Yen Wha Ryu

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Hwaseong-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Variable compression ratio apparatus
- Patent number 8,499,725
- Issue date Aug 6, 2013
- Hyundai Motor Company
- Dong Seok Lee
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable compression ratio apparatus
- Patent number 8,397,684
- Issue date Mar 19, 2013
- Hyundai Motor Company
- Jei Choon Yang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE COMPRESSION RATIO APPARATUS
- Publication number 20120042854
- Publication date Feb 23, 2012
- Hyundai Motor Company
- Dong Seok LEE
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VARIABLE COMPRESSION RATIO APPARATUS
- Publication number 20120000444
- Publication date Jan 5, 2012
- Hyundai Motor Company
- Jei Choon Yang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS