SO

Shinya Oooka

NT Ntn: 1 patents #814 of 1,364Top 60%
Overall (All Time): #3,332,299 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7571706 Needle roller bearing and its manufacturing method Kenichi Ichikawa 2009-08-11