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Chang-Hyeon Ji
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Daejeon, KR
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Patents Grants
last 30 patents
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Patent Grant
MEMS microphone with dual-back plate and method of manufacturing th...
Patent number
9,656,854
Issue date
May 23, 2017
Korea Institute of Machinery & Materials
Shin Hur
B81 - MICRO-STRUCTURAL TECHNOLOGY
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Patent Grant
Color capsule composition for cosmetics, preparation method thereof...
Patent number
8,834,906
Issue date
Sep 16, 2014
Biogenics, Inc.
Chul-Hwan Kim
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
MEMS MICROPHONE HAVING DUAL BACK PLATE AND METHOD FOR MANUFACTURING...
Publication number
20150129992
Publication date
May 14, 2015
KOREA INSTITUTE OF MACHINERY MATERIALS
Shin Hur
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
COLOR CAPSULE COMPOSITION FOR COSMETICS, PREPARATION METHOD THEREOF...
Publication number
20110165208
Publication date
Jul 7, 2011
Chul-Hwan Kim
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE