YS

Yoshizumi Sakata

KC Koyo Seiko Co.: 2 patents #228 of 749Top 35%
Overall (All Time): #2,170,377 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7066467 Sealing device for water pump bearings 2006-06-27
6866476 Antifriction bearing unit and water pump Michiru Ueda 2005-03-15