Ok-Seok Jang

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Thinner composition and method of stripping a photoresist using the...
- Patent number 6,682,876
- Issue date Jan 27, 2004
- Samsung Electronics Co., Ltd.
- Seung-Hyun Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoresist stripper compositions
- Patent number 6,589,719
- Issue date Jul 8, 2003
- Samsung Electronics Co., Ltd.
- Seung-Hyun Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Thinner composition and method of stripping a photoresist using the...
- Publication number 20030157441
- Publication date Aug 21, 2003
- Seung-Hyun Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTORESIST STRIPPER COMPOSITIONS
- Publication number 20030113673
- Publication date Jun 19, 2003
- Seung-Hyun Ahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY