Un Jong Cha

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Cheongju-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Automatic decompression valve for sphygmomanometer with extension s...
- Patent number 8,075,492
- Issue date Dec 13, 2011
- Un Jong Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System and method of obtaining measuring characteristic correction...
- Patent number 6,778,927
- Issue date Aug 17, 2004
- Un Jong Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for measuring respiratory gas flow by means of a disposab...
- Patent number 6,634,242
- Issue date Oct 21, 2003
- Un Jong Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Portable Spirometer
- Publication number 20120130265
- Publication date May 24, 2012
- Un Jong Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
AUTOMATIC DECOMPRESSION VALVE FOR SPHYGMOMANOMETER WITH EXTENSION S...
- Publication number 20080027335
- Publication date Jan 31, 2008
- Un Jong CHA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
System and method of obtaining measuring characteristic correction...
- Publication number 20030171887
- Publication date Sep 11, 2003
- Un Jong Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS FOR MEASURING RESPIRATORY GAS FLOW BY MEANS OF A DISPOSAB...
- Publication number 20030101827
- Publication date Jun 5, 2003
- Un Jong Cha
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE