YA

Yo-Han Ahn

Samsung: 2 patents #298 of 2,265Top 15%
📍 Seoul, KR: #137 of 1,284 inventorsTop 15%
Overall (2002): #34,608 of 266,432Top 15%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6402598 Chemical mechanical polishing apparatus and method of washing contaminants off of the polishing head thereof Byung-Moo Lee, Jae Won Choi, Tae Ho Kim 2002-06-11
6370793 Apparatus for controlling the temperature of a wafer located at a pre-alignment stage Hee-Sun Chae, Jae Il Kim 2002-04-16