YI

Yoshikazu Ichiyama

NI Nidec: 5 patents #1 of 5Top 20%
Overall (2002): #6,970 of 266,432Top 3%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6493181 Thrust hydrodynamic bearing, spindle motor provided therewith, and disk drive utilizing the motor 2002-12-10
6456458 Disk-drive motor rotating on a magnetically counterbalanced single hydrodynamic thrust bearing 2002-09-24
6404087 Motor including hydrodynamic bearings with pair of thrust plates 2002-06-11
6361214 Hydrodynamic-pressure bearing device and motor provided with the hydrodynamic-pressure bearing device 2002-03-26
6339270 Motor for driving storage disks, and storage disk drive device provided therewith 2002-01-15