YI

Yukifusa Ito

NT Ntn: 2 patents #586 of 1,364Top 45%
Overall (All Time): #2,298,697 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5175931 Angular ball bearing and method for assembling the same — 1993-01-05
5026179 Angular ball bearing method for assembling the same — 1991-06-25