UK

Umemitsu Kobayashi

NT Ntn: 5 patents #288 of 1,364Top 25%
Overall (All Time): #1,033,535 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7287910 Angular ball bearing and rolling bearing Keiichi Ueda 2007-10-30
7059776 Synthetic resin retainer and angular ball bearing Kaoru Ueno 2006-06-13
6540405 Ultrathin-walled rolling bearing 2003-04-01
6464397 Ultrathin walled rolling bearing 2002-10-15
6367980 Ultra thin type rolling bearing and cage therefor 2002-04-09