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Woon-Hyung Baek
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Daejeon, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Method of forming tungsten-coated W—Cu composite powder
Patent number
6,863,707
Issue date
Mar 8, 2005
Agency for Defense Development
Seong Lee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintering method for tungsten-nickel-manganese type heavy alloy
Patent number
5,970,307
Issue date
Oct 19, 1999
Agency for Defense Development
Moon Hee Hong
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Fabrication method for tungsten heavy alloy
Patent number
5,956,558
Issue date
Sep 21, 1999
Agency for Defense Development
Moon Hee Hong
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Irregular shape change of tungsten/matrix interface in tungsten bas...
Patent number
5,956,559
Issue date
Sep 21, 1999
Agency for Defense Development
Heung Sub Song
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High toughness tungsten based heavy alloy containing La and Ca. man...
Patent number
5,306,364
Issue date
Apr 26, 1994
Agency for Defense Development
Seong-Hyeon Hong
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Repeated sintering of tungsten based heavy alloys for improved impa...
Patent number
5,294,269
Issue date
Mar 15, 1994
Poongsan Corporation
Young M. Lee
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
ANTI-AGING COMPOSITION COMPRISING FERMENTED PROPOLIS
Publication number
20240058261
Publication date
Feb 22, 2024
LG Household & Health Care Ltd.
Youn Jung LEE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DEVICE FOR PEELING FRUITS AND ROOT VEGETABLES
Publication number
20220369842
Publication date
Nov 24, 2022
Woon Ki BAEK
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Application
Nano-Emulsion Cosmetic Composition In Which High Content Oils Are S...
Publication number
20210220234
Publication date
Jul 22, 2021
LG Household & Health Care Ltd.
Woon Ki Baek
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
NANO-EMULSION COSMETIC COMPOSITION IN WHICH HIGH CONTENT OILS ARE S...
Publication number
20190038528
Publication date
Feb 7, 2019
LG Household & Health Care Ltd.
Woon Ki Baek
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Method of forming tungsten-coated W-Cu composite powder and use of...
Publication number
20030205108
Publication date
Nov 6, 2003
AGENCY FOR DEFENSE DEVELOPMENT
Seong Lee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...