CHANGKANG CHEMICAL CO., LTD.

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Ansan-si, Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Optical film and back light unit including the same
- Patent number 11,921,374
- Issue date Mar 5, 2024
- Changkang Chemical Co., Ltd.
- Seongsu Lee
- G02 - OPTICS
Information Patent Grant
Optical member and display apparatus having same
- Patent number 10,217,964
- Issue date Feb 26, 2019
- Changkang Chemical Co., Ltd.
- Young Tae Heo
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FILM AND BACK LIGHT UNIT INCLUDING THE SAME
- Publication number 20240027830
- Publication date Jan 25, 2024
- CHANGKANG CHEMICAL CO., LTD
- Seongsu LEE
- G02 - OPTICS
Information Patent Application
OPTICAL FILTER
- Publication number 20230204835
- Publication date Jun 29, 2023
- CHANGKANG CHEMICAL CO., LTD
- Young Tae HEO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Optical Member And Display Apparatus Having Same
- Publication number 20160315287
- Publication date Oct 27, 2016
- CHANGKANG CHEMICAL CO., LTD
- Young Tae HEO
- G02 - OPTICS
Information Patent Application
ORGANIC-INORGANIC HYBRID COMPOSITION, PRODUCTION METHOD FOR SAME, A...
- Publication number 20150198740
- Publication date Jul 16, 2015
- CHANGKANG CHEMICAL CO., LTD.
- Woong Lin Hwang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Trademarklast 30 trademarks