YO

Yun-chul Oh

Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #3,664,788 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5972293 Aqueous compositions for making ultrapure water used in microelectronic device fabrication processes and methods of sterilizing ultrapure water delivery systems using the same Seung-uhn Kim, Sue KIM, Jung-Sung Hwang 1999-10-26