YS

Yong Ik Song

SH Sti Holdings: 3 patents #8 of 53Top 20%
Overall (All Time): #1,349,281 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11859744 Automatic chemical supply apparatus having opening shutter unit Jun-Woo Lee, Jin Woo Lee 2024-01-02
11835165 Male connector holder for automatic chemical supply apparatus Jun-Woo Lee, Jin Woo Lee 2023-12-05
11725752 Male connector holder for automatic chemical supply apparatus Hee Bong Chae, Jin Woo Lee, Hyung Kyu Seo, Jae Won Lee, Hyun Soo Jang 2023-08-15