Yong-Woo Heo

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Yongin-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for automatically measuring the concentration...
- Patent number 7,081,182
- Issue date Jul 25, 2006
- Samsung Electronics Co., Ltd.
- Jae-Jun Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and method for collecting metallic impurity on a semicond...
- Patent number 6,960,265
- Issue date Nov 1, 2005
- Samsung Electronics Co., Ltd.
- Yong-Woo Heo
- G01 - MEASURING TESTING
Information Patent Grant
Etchant used in the manufacture of semiconductor devices and etchin...
- Patent number 6,613,693
- Issue date Sep 2, 2003
- Samsung Electronics Co., Ltd.
- Yong-woo Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wet etching system for manufacturing semiconductor devices and wet...
- Patent number 6,548,419
- Issue date Apr 15, 2003
- Samsung Electronics Co., Ltd.
- Yong-woo Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wet etching system for manufacturing semiconductor devices
- Patent number 6,398,904
- Issue date Jun 4, 2002
- Samsung Electronics Co., Ltd.
- Yong-woo Heo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Etchant used in the manufacture of semiconductor devices and etchin...
- Publication number 20030203632
- Publication date Oct 30, 2003
- Yong-woo Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and apparatus for automatically measuring the concentration...
- Publication number 20030054576
- Publication date Mar 20, 2003
- Jae-Jun Ryu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus and method for collecting metallic impurity on a semicond...
- Publication number 20020134406
- Publication date Sep 26, 2002
- SAMSUNG ELECTRONICS CO., LTD.
- Yong-Woo Heo
- G01 - MEASURING TESTING
Information Patent Application
Wet etching system for manufacturing semiconductor devices and wet...
- Publication number 20020058423
- Publication date May 16, 2002
- Yong-Woo Heo
- H01 - BASIC ELECTRIC ELEMENTS