Hahn Seok JEON

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Chungcheongnam-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning unit, substrate processing apparatus including the same, a...
- Patent number 12,330,420
- Issue date Jun 17, 2025
- Semes Co., Ltd.
- Hahn Seok Jeon
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
CLEANING UNIT, SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME, A...
- Publication number 20230211610
- Publication date Jul 6, 2023
- SEMES CO., LTD.
- Hahn Seok JEON
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
HEAD MAINTENANCE UNIT AND APPARATUS FOR TREATING SUBSTRATE
- Publication number 20220153030
- Publication date May 19, 2022
- SEMES CO., LTD.
- Byung Joo LEE
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS