Hyun Duk Chang

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Electric oil pump for hydraulic control and oil supplying system pr...
- Patent number 11,549,509
- Issue date Jan 10, 2023
- Hyundai Motor Company
- Sung Wook Jang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method of manufacturing control finger using metal powder injection...
- Patent number 9,095,905
- Issue date Aug 4, 2015
- Hyundai Motor Company
- Ki Jung Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Clutch driving device
- Patent number 8,640,845
- Issue date Feb 4, 2014
- Hyundai Motor Company
- Jong Yop Kim
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC OIL PUMP FOR HYDRAULIC CONTROL AND OIL SUPPLYING SYSTEM PR...
- Publication number 20200309121
- Publication date Oct 1, 2020
- Hyundai Motor Company
- Sung Wook JANG
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
METHOD OF MANUFACTURING CONTROL FINGER USING METAL POWDER INJECTION...
- Publication number 20140105778
- Publication date Apr 17, 2014
- Hyundai Motor Company
- Ki Jung Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...