P

Inventor

TAMAOKA TAKEHITO

JP106 patents
⚠️ This page may combine multiple inventors who share the name “TAMAOKA TAKEHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIDEC CORP

35 patents
US7021829B2Apr 4, 2006

Fluid-dynamic-pressure bearing, spindle motor furnished with the fluid-dynamic-pressure bearing, method of manufacturing rotor assembly applied in the spindle motor, and recording-disk drive furnished with the spindle motor

NIDEC CORP49 citations93
US7830049B2Nov 9, 2010

Motor and disk drive using the same

NIDEC CORP23 citations91
US8879204B2Nov 4, 2014

Motor and disk drive apparatus

NIDEC CORP7 citations84
US7988810B2Aug 2, 2011

Sleeve unit, method of manufacturing thereof, and motor using the sleeve unit

NIDEC CORP9 citations84
US7866047B2Jan 11, 2011

Sleeve-unit manufacturing method

NIDEC CORP9 citations84
US7764000B2Jul 27, 2010

Spindle motor

NIDEC CORP8 citations84
US7650697B2Jan 26, 2010

Methods of manufacturing fluid-dynamic-pressure bearing and spindle motor incorporating the bearing, and spindle motor and recording-disk drive incorporating the bearing

NIDEC CORP13 citations84
US7514831B2Apr 7, 2009

Motor having fluid dynamic bearing and disk drive with the-like motor

NIDEC CORP9 citations84
US7411762B2Aug 12, 2008

Fluid dynamic pressure bearing including dynamic pressure generating grooves, and spindle motor and disc drive including the bearing

NIDEC CORP14 citations84
US10917995B2Feb 9, 2021

Cooling device

NIDEC CORP6 citations83
US8873198B1Oct 28, 2014

Motor and disk drive apparatus

NIDEC CORP8 citations83
US8385017B2Feb 26, 2013

Spindle motor including fluid bearing and storage disk drive including the same

NIDEC CORP16 citations83
US8379345B2Feb 19, 2013

Spindle motor having dynamic pressure fluid bearing for use in a storage disk drive

NIDEC CORP14 citations83
US7542232B2Jun 2, 2009

Motor unit including spindle motor and recording-disk-driving device including the same

NIDEC CORP9 citations83
US7515379B2Apr 7, 2009

Spindle motor and recording disk drive having spindle motor

NIDEC CORP9 citations82
US10161405B2Dec 25, 2018

Cooling apparatus

NIDEC CORP3 citations73
US10072672B2Sep 11, 2018

Fan

NIDEC CORP3 citations73
US10047755B2Aug 14, 2018

Fan

NIDEC CORP2 citations73
US9523373B2Dec 20, 2016

Fan

NIDEC CORP5 citations73
US9366263B2Jun 14, 2016

Bearing apparatus, motor, and blower fan

NIDEC CORP6 citations73
US9360019B2Jun 7, 2016

Fan

NIDEC CORP4 citations73
USD1089566SAug 19, 2025

Plug of pipe joint

NIDEC CORP2 citations72
US11252837B2Feb 15, 2022

Cooling apparatus

NIDEC CORP3 citations72
US10959353B2Mar 23, 2021

Cooling device

NIDEC CORP2 citations72
US9909591B2Mar 6, 2018

Blower fan

NIDEC CORP5 citations72
US9316229B2Apr 19, 2016

Motor and fan

NIDEC CORP3 citations71
US7593182B2Sep 22, 2009

Recording disk driving device motor unit having a sheet member attached to a base

NIDEC CORP7 citations71
US10677258B2Jun 9, 2020

Blower comprising impeller and motor

NIDEC CORP3 citations68
US11920879B2Mar 5, 2024

Heat dissipation device and cooling device

NIDEC CORP2 citations67
US10962018B2Mar 30, 2021

Gas dynamic pressure bearing, motor, and blower

NIDEC CORP0 citations63
US7550883B2Jun 23, 2009

Rotor hub, spindle motor, and recording disk driving apparatus

NIDEC CORP4 citations63
US7525231B2Apr 28, 2009

Stator used for recording disk driving motor, recording disk driving motor, and recording disk driving device

NIDEC CORP6 citations63
US8922945B2Dec 30, 2014

Disk drive spindle motor with wiring substrate having extension portion passing through opening in base

NIDEC CORP3 citations62
US8553355B2Oct 8, 2013

Spindle motor and storage disk drive

NIDEC CORP4 citations62
US8542459B2Sep 24, 2013

Spindle motor and storage disk drive

NIDEC CORP3 citations62

TAMAOKA TAKEHITO

5 patents

NTN TOYO BEARING CO LTD

2 patents

YAWATA ATSUSHI

1 patent

MIZUKAMI JUNYA

1 patent

IGUCHI TAKURO

1 patent

SAICHI MASAYOSHI

1 patent

KIMURA AKIHIRO

1 patent

IWASAKI SHUJI

1 patent

HIRONO TEIICHI

1 patent

YAMAGUCHI KATSUKI

1 patent

Showing the top 50 of 106 patents by PatentIndex Score.