Byoungdoo CHOI

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Ion trap apparatus and method for manufacturing same
- Patent number 9,548,179
- Issue date Jan 17, 2017
- SK Telecom Co., Ltd
- Dongil Cho
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NOZZLE HAVING DOUBLE PIPE STRUCTURE, AND PHOTORESIST DISPENSER AND...
- Publication number 20230314948
- Publication date Oct 5, 2023
- SEMES CO., LTD.
- Youngjun Son
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR LIFTING SUBSTRATE AND APPARATUS FOR TREATING SUBSTRATE
- Publication number 20210202296
- Publication date Jul 1, 2021
- Semes Co., LTD.
- Sukhwan CHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING SUBSTRATE
- Publication number 20190317408
- Publication date Oct 17, 2019
- SEMES CO., LTD.
- HEEJAE GOO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ION TRAP APPARATUS AND METHOD FOR MANUFACTURING SAME
- Publication number 20160027604
- Publication date Jan 28, 2016
- SK Telecom Co., Ltd.
- Dongil CHO
- H01 - BASIC ELECTRIC ELEMENTS