JL

Joo Han Lee

EC Ehwa Diamond Ind. Co.: 1 patents #1 of 5Top 20%
EC Ehwa Diamond Industrial Co.: 1 patents #2 of 7Top 30%
Overall (2019): #156,873 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10478941 Pad conditioner having reduced friction and method of manufacturing the same So Young Yoon, Jong Jae Lee 2019-11-19
10166653 CMP pad conditioner Seh Kwang Lee 2019-01-01