Cheong-Ho Lee

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Biodegradable polymer microparticle for filler, manufacturing metho...
- Patent number 11,597,834
- Issue date Mar 7, 2023
- ULTRA V CO., LTD.
- Cheong Cheon Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Alternating current negative ion and silver ion generator
- Patent number 7,601,970
- Issue date Oct 13, 2009
- CYMA World Co., Ltd
- Cheong-Ho Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
BIODEGRADABLE POLYMER FINE PARTICLE FOR FILLER, FREEZE-DRIED BODY I...
- Publication number 20240157025
- Publication date May 16, 2024
- ULTRA V CO., LTD.
- Cheong Cheon LEE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BIODEGRADABLE POLYMER FINE PARTICLE FOR FILLER, FREEZE-DRIED BODY I...
- Publication number 20220233744
- Publication date Jul 28, 2022
- ULTRA V CO., LTD.
- Cheong Cheon LEE
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
BIODEGRADABLE POLYMER FINE PARTICLE FOR FILLER, MANUFACTURING METHO...
- Publication number 20220235221
- Publication date Jul 28, 2022
- ULTRA V CO., LTD.
- Cheong Cheon LEE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Alternating Current Negative Ion And Silver Ion Generator
- Publication number 20080191145
- Publication date Aug 14, 2008
- CYMA WORLD CO., LTD
- Cheong-Ho Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE