YH

Yonghwa HONG

CO Coavis: 2 patents #24 of 82Top 30%
KC Korea Kumho Petrochemical Co.: 1 patents #168 of 342Top 50%
Overall (All Time): #1,354,782 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11905957 Screw water pump with inner housing and outer housing Hyuntae LEE, Wookeun Lee 2024-02-20
11781566 Water pump and manufacturing method thereof Joonseup Kim, Wansung Pae, Hyuntae LEE, Wookeun Lee 2023-10-10
8187790 Polymer for resist and resist composition manufactured using the same Hyunsang Joo, Jinho Kim, Changsoo LEE 2012-05-29