Assignee
NIDEC CORP
US1,324 patents
Top patents by PatentIndex Score
US6246136B1Jun 12, 2001
Motor and method for manufacturing the same
NIDEC CORP92 citations98
US6211592B1Apr 3, 2001
Motor for driving storage disks
NIDEC CORP85 citations98
US6066903AMay 23, 2000
Hydrodynamic bearing for use in an electric motor and an electric motor having the hydrodynamic bearing
NIDEC CORP105 citations98
US5610462AMar 11, 1997
Brushless motor
NIDEC CORP157 citations98
US10374544B2Aug 6, 2019
Method for estimating service life of motor, motor control system, blower system, and multicopter system
NIDEC CORP223 citations97
US7088023B1Aug 8, 2006
Motor unit, manufacturing method therefor and recording disk driving apparatus
NIDEC CORP69 citations97
US6860713B2Mar 1, 2005
Fan with collapsible blades, redundant fan system, and related method
NIDEC CORP304 citations97
US7221567B2May 22, 2007
Heat sink fan
NIDEC CORP53 citations96
US6456458B1Sep 24, 2002
Disk-drive motor rotating on a magnetically counterbalanced single hydrodynamic thrust bearing
NIDEC CORP74 citations96
US6404087B1Jun 11, 2002
Motor including hydrodynamic bearings with pair of thrust plates
NIDEC CORP61 citations96
US6361214B1Mar 26, 2002
Hydrodynamic-pressure bearing device and motor provided with the hydrodynamic-pressure bearing device
NIDEC CORP76 citations96
US6339270B1Jan 15, 2002
Motor for driving storage disks, and storage disk drive device provided therewith
NIDEC CORP73 citations96
US6307293B1Oct 23, 2001
Motor having a hydrodynamic pressure bearing
NIDEC CORP65 citations96
US6126320AOct 3, 2000
Hydrodynamic pressure bearing
NIDEC CORP59 citations96
US6059459AMay 9, 2000
Hydrodynamic pressure bearing
NIDEC CORP49 citations96
US6034454AMar 7, 2000
Motor
NIDEC CORP59 citations96
US5982064ANov 9, 1999
DC motor
NIDEC CORP94 citations96
US5707154AJan 13, 1998
Hydrodynamic fluid pressure bearings
NIDEC CORP71 citations96
US5663604ASep 2, 1997
Brushless motor
NIDEC CORP64 citations96
US5658080AAug 19, 1997
Motor with a hydro-dynamic bearing
NIDEC CORP70 citations96
US6205110B1Mar 20, 2001
Disk drive motor
NIDEC CORP70 citations95
US6097121AAug 1, 2000
Spindle motor design facilitating and ensuring precise assembly of the motor
NIDEC CORP80 citations95
US5831355ANov 3, 1998
Spindle motor
NIDEC CORP56 citations95
US5452181ASep 19, 1995
Detachable apparatus for cooling integrated circuits
NIDEC CORP57 citations95
US11411292B2Aug 9, 2022
Waveguide device, electromagnetic radiation confinement device, antenna device, microwave chemical reaction device, and radar device
NIDEC CORP22 citations94
US11088464B2Aug 10, 2021
Slot array antenna
NIDEC CORP22 citations94
US11061110B2Jul 13, 2021
Waveguide device, and antenna device including the waveguide device
NIDEC CORP20 citations94
US10957988B2Mar 23, 2021
Slot array antenna, and radar, radar system, and wireless communication system including the slot array antenna
NIDEC CORP17 citations94
US10763590B2Sep 1, 2020
Slot antenna
NIDEC CORP19 citations94
US10763591B2Sep 1, 2020
Slot array antenna
NIDEC CORP18 citations94
US10727611B2Jul 28, 2020
Waveguide device and antenna array
NIDEC CORP18 citations94
US10651567B2May 12, 2020
Method of producing a horn antenna array and antenna array
NIDEC CORP22 citations94
US10627502B2Apr 21, 2020
Waveguide device, slot array antenna, and radar, radar system, and wireless communication system including the slot array antenna
NIDEC CORP18 citations94
US10601144B2Mar 24, 2020
Slot antenna device
NIDEC CORP24 citations94
US10594045B2Mar 17, 2020
Waveguide device and antenna array
NIDEC CORP19 citations94
US10559889B2Feb 11, 2020
Slot array antenna, and radar, radar system, and wireless communication system including the slot array antenna
NIDEC CORP19 citations94
US10439298B2Oct 8, 2019
Slot array antenna
NIDEC CORP20 citations94
US10381741B2Aug 13, 2019
Slot array antenna, and radar, radar system, and wireless communication system including the slot array antenna
NIDEC CORP32 citations94
US10333227B2Jun 25, 2019
Waveguide device, and antenna device including the waveguide device
NIDEC CORP19 citations94
US10320083B2Jun 11, 2019
Waveguide device and antenna device including the waveguide device
NIDEC CORP25 citations94
US10230173B2Mar 12, 2019
Slot array antenna
NIDEC CORP19 citations94
US10218078B2Feb 26, 2019
Waveguide device, slot antenna, and radar, radar system, and wireless communication system including the slot antenna
NIDEC CORP19 citations94
US10164344B2Dec 25, 2018
Waveguide device, slot antenna, and radar, radar system, and wireless communication system including the slot antenna
NIDEC CORP41 citations94
US10158158B2Dec 18, 2018
Waveguide device, and antenna device including the waveguide device
NIDEC CORP29 citations94
US10090600B2Oct 2, 2018
Waveguide device, and antenna device including the waveguide device
NIDEC CORP32 citations94
US10042045B2Aug 7, 2018
Waveguide device, slot array antenna, and radar, radar system, and wireless communication system including the slot array antenna
NIDEC CORP29 citations94
US10027032B2Jul 17, 2018
Waveguide device and antenna device including the waveguide device
NIDEC CORP34 citations94
US9997842B2Jun 12, 2018
Slot array antenna
NIDEC CORP21 citations94
US9991606B2Jun 5, 2018
Slot array antenna
NIDEC CORP21 citations94
US7612480B2Nov 3, 2009
Interior permanent magnet motor
NIDEC CORP54 citations94
Showing the top 50 of 1,324 patents by PatentIndex Score.