Inventor

JOO BYUNG CHUL

KR4 patents

Patents

4 patents

US12343439B2Jul 1, 2025

Sterilization module

SEOUL VIOSYS CO LTD0 citations61

US11904062B2Feb 20, 2024

Sterilization module

SEOUL VIOSYS CO LTD0 citations61

US11565007B2Jan 31, 2023

Sterilization module

SEOUL VIOSYS CO LTD0 citations61

US11260143B2Mar 1, 2022

Air purifier

SEOUL VIOSYS CO LTD1 citations60