Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Zirconia containing ceramic ball, method for manufacturing same, ceramic ball bearing and check valve

Zirconia containing ceramic ball, method for manufacturing same, ceramic ball bearing and check valve

US Patent 6696376 · Granted Feb 24, 2004

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Carrier device and ceramic member2017
Carrier device and ceramic member2016
Ceramic ball, ball bearing, motor having bearing, hard disk drive, polygon scann2006
Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon2004
Ceramic dynamic pressure bearing, motor with bearing, hard disk device, and poly2003
Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, and pol2003
Ceramic dynamic pressure bearing, motor with bearing, hard disc apparatus and po2003
Ceramic ball for bearing and ceramic ball bearing using the same2003
Ceramic ball for bearing and ceramic ball bearing using the same2003
Conductive ceramic bearing ball, ball bearing, motor having bearing, hard disk d2003
Conductive ceramic bearing ball, ball bearing, motor having bearing, hard disk d2003
Sintered silicon nitride member and ceramic ball2002