YU

Yong Su Um

Overall (All Time): #3,237,624 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7871200 Aerostatic bearing spindle system using unidirectional porous metal Bo Young Hur, Jae Hong Yoon 2011-01-18