Chi-hwan Lee

Follow

Person

Hwaseong-si, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Protective film composition and method of manufacturing semiconduct...
- Patent number 11,309,345
- Issue date Apr 19, 2022
- Samsung Electronics Co., Ltd.
- Myoung-chul Eum
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Protective film composition and method of manufacturing semiconduct...
- Patent number 10,854,666
- Issue date Dec 1, 2020
- Samsung Electronics Co., Ltd.
- Myoung-chul Eum
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
PROTECTIVE FILM COMPOSITION AND METHOD OF MANUFACTURING SEMICONDUCT...
- Publication number 20210057480
- Publication date Feb 25, 2021
- DONGJIN SEMICHEM CO., LTD.
- Myoung-chul Eum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROTECTIVE FILM COMPOSITION AND METHOD OF MANUFACTURING SEMICONDUCT...
- Publication number 20190245003
- Publication date Aug 8, 2019
- DONGJIN SEMICHEM CO., LTD.
- Myoung-chul Eum
- H01 - BASIC ELECTRIC ELEMENTS