YP

Young Sik Pyun

Overall (All Time): #3,116,115 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8782902 Method of making bearing using ultrasonic nano crystal surface modification technology Jeong Hyeon PARK, Chang Sik Kim, In Ho Cho 2014-07-22