Yonghwa Hong

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Sejong-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Screw water pump with inner housing and outer housing
- Patent number 11,905,957
- Issue date Feb 20, 2024
- COAVIS
- Hyuntae Lee
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Water pump and manufacturing method thereof
- Patent number 11,781,566
- Issue date Oct 10, 2023
- COAVIS
- Joonseup Kim
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
LASER WELDING DEVICE
- Publication number 20250196447
- Publication date Jun 19, 2025
- COAVIS
- Yonghwa HONG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LASER WELDING STRUCTURE FOR THERMOSETTING RESIN INCLUDING GLASS FIBER
- Publication number 20240399706
- Publication date Dec 5, 2024
- COAVIS
- Yonghwa HONG
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL