SK

Sadatsune Kazama

NT Ntn: 4 patents #361 of 1,364Top 30%
Overall (All Time): #1,185,617 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9982717 Bearing structure 2018-05-29
8337092 Retainer-equipped roller Izumi Ohashi 2012-12-25
8092097 Retained roller assembly Izumi Ohashi 2012-01-10
7517156 Cradle bearing 2009-04-14