Byung Chu JOO

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Ansan-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Sterilization module
- Patent number 11,904,062
- Issue date Feb 20, 2024
- SEOUL VIOSYS CO., LTD.
- Woong Ki Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sterilization module
- Patent number 11,565,007
- Issue date Jan 31, 2023
- SEOUL VIOSYS CO., LTD.
- Woong Ki Jeong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Air purifier
- Patent number 11,260,143
- Issue date Mar 1, 2022
- SEOUL VIOSYS CO., LTD.
- Woong Ki Jeong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
STERILIZATION MODULE
- Publication number 20230165985
- Publication date Jun 1, 2023
- Seoul Viosys Co., Ltd.
- Woong Ki JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIR PURIFIER
- Publication number 20220226532
- Publication date Jul 21, 2022
- Seoul Viosys Co., Ltd.
- Woong Ki JEONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
STERILIZATION MODULE
- Publication number 20210393817
- Publication date Dec 23, 2021
- Seoul Viosys Co., Ltd.
- Woong Ki JEONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIR PURIFIER
- Publication number 20200061231
- Publication date Feb 27, 2020
- Seoul Viosys Co., Ltd.
- Woong Ki JEONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL