RO

Ryutaro Oka

NT Ntn: 2 patents #586 of 1,364Top 45%
Overall (All Time): #2,042,801 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8636420 Roller bearing and bearing structure Shiro Ishikawa, Masanori Ueno, Yoshimitsu Hirasawa 2014-01-28
7018105 Bearing assembly with temperature sensor 2006-03-28