Meoungwhan CHO

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Gyeonggi-do, KR

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Patents Applicationslast 30 patents

Information Patent Application
STERILIZATION APPARATUS USING UV LIGHT SOURCE HARMLESS TO HUMAN BODY
- Publication number 20220125963
- Publication date Apr 28, 2022
- ADEN HYGIENE, ENT.
- Woo-Sung CHOI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INDOOR AIR STERILIZATION AND PURIFICATION APPARATUS USING UV-C LED
- Publication number 20220125967
- Publication date Apr 28, 2022
- ADEN HYGIENE, ENT.
- Woo-Sung CHOI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE