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Yeol Hwa Lee
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Daejeon, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Micro-welder
Patent number
7,041,934
Issue date
May 9, 2006
Agency for Defense Development
Yeol-Hwa Lee
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Heat-flux gage, manufacturing method and manufacturing device thereof
Patent number
6,837,614
Issue date
Jan 4, 2005
Agency For Defence Development
Yeol Hwa Lee
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Heat-flux gage, manufacturing method and manufacturing device thereof
Publication number
20050008062
Publication date
Jan 13, 2005
International Business Machines Corporation
Yeol Hwa Lee
G01 - MEASURING TESTING
Information
Patent Application
Micro-welder
Publication number
20040000537
Publication date
Jan 1, 2004
AGENCY FOR DEFENSE DEVELOPMENT
Yeol-Hwa Lee
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Heat-flux gage, manufacturing method and manufacturing device thereof
Publication number
20030198276
Publication date
Oct 23, 2003
AGENCY FOR DEFENSE DEVELOPMENT
Yeol Hwa Lee
G01 - MEASURING TESTING