Heechul LEE

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Suwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Shower head assembly and plasma processing apparatus having the same
- Patent number 11,488,804
- Issue date Nov 1, 2022
- Samsung Electronics Co., Ltd.
- Youngwon Shin
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR MODULE
- Publication number 20250233030
- Publication date Jul 17, 2025
- Samsung Electronics Co., Ltd.
- Hwanjoo Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SHOWER HEAD ASSEMBLY AND PLASMA PROCESSING APPARATUS HAVING THE SAME
- Publication number 20200365373
- Publication date Nov 19, 2020
- Samsung Electronics Co., Ltd.
- Youngwon SHIN
- H01 - BASIC ELECTRIC ELEMENTS