Inventor
GOMYO MASATO
JP54 patents
⚠️ This page may combine multiple inventors who share the name “GOMYO MASATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKYO SEIKI SEISAKUSHO KK
28 patentsUS6296391B1Oct 2, 2001
Hydrodynamic bearing apparatus
SANKYO SEIKI SEISAKUSHO KK97 citations97
US5806987ASep 15, 1998
Hydrodynamic bearing apparatus
SANKYO SEIKI SEISAKUSHO KK86 citations96
US6817766B2Nov 16, 2004
Dynamic pressure bearing devices and method for manufacturing the same
SANKYO SEIKI SEISAKUSHO KK34 citations93
US6545379B2Apr 8, 2003
Motor provided with flexible circuit board
SANKYO SEIKI SEISAKUSHO KK28 citations93
US6939047B2Sep 6, 2005
Dynamic pressure bearing device
SANKYO SEIKI SEISAKUSHO KK27 citations92
US6834996B2Dec 28, 2004
Motor with dynamic pressure bearing
SANKYO SEIKI SEISAKUSHO KK39 citations92
US6793394B2Sep 21, 2004
Hydrodynamic bearing device
SANKYO SEIKI SEISAKUSHO KK23 citations92
US6698097B1Mar 2, 2004
Method for manufacturing a tool that is used to form dynamic pressure generating grooves in dynamic pressure bearing devices
SANKYO SEIKI SEISAKUSHO KK54 citations92
US5791785AAug 11, 1998
Hydrodynamic bearing apparatus
SANKYO SEIKI SEISAKUSHO KK45 citations92
US6375357B2Apr 23, 2002
Spindle motor
SANKYO SEIKI SEISAKUSHO KK39 citations91
US6343877B1Feb 5, 2002
Spindle motor
SANKYO SEIKI SEISAKUSHO KK20 citations91
US5778948AJul 14, 1998
Method for inserting a fluid in a bearing device
SANKYO SEIKI SEISAKUSHO KK26 citations89
US5628569AMay 13, 1997
Fluid bearing unit and manufactured method thereof
SANKYO SEIKI SEISAKUSHO KK24 citations89
US6010246AJan 4, 2000
Hydrodynamic bearing apparatus and method of manufacturing it
SANKYO SEIKI SEISAKUSHO KK26 citations86
US7101084B2Sep 5, 2006
Dynamic pressure bearing device
SANKYO SEIKI SEISAKUSHO KK15 citations84
US6962443B2Nov 8, 2005
Fluid dynamic pressure bearing apparatus
SANKYO SEIKI SEISAKUSHO KK12 citations84
US6397470B1Jun 4, 2002
Dynamic pressure bearing apparatus and method for manufacturing thereof
SANKYO SEIKI SEISAKUSHO KK18 citations84
US6147424ANov 14, 2000
Gas dynamic pressure bearing apparatus
SANKYO SEIKI SEISAKUSHO KK17 citations84
US6967421B2Nov 22, 2005
Core for motor, motor furnished to the core and method for manufacturing the motor
SANKYO SEIKI SEISAKUSHO KK7 citations73
US5743656AApr 28, 1998
Hydrodynamic bearing apparatus and method for manufacturing same
SANKYO SEIKI SEISAKUSHO KK16 citations73
US6341896B1Jan 29, 2002
Hydrodynamic bearing and method of manufacturing the same
SANKYO SEIKI SEISAKUSHO KK9 citations72
US5828795AOct 27, 1998
Sealing device for use in a motor
SANKYO SEIKI SEISAKUSHO KK9 citations72
US6378209B1Apr 30, 2002
Method of producing fluid bearing device
SANKYO SEIKI SEISAKUSHO KK13 citations70
US7220054B2May 22, 2007
Dynamic pressure bearing apparatus
SANKYO SEIKI SEISAKUSHO KK4 citations63
US6955469B2Oct 18, 2005
Dynamic pressure bearing device
SANKYO SEIKI SEISAKUSHO KK6 citations63
US6837622B2Jan 4, 2005
Dynamic pressure bearing apparatus
SANKYO SEIKI SEISAKUSHO KK6 citations62
US6663287B2Dec 16, 2003
Thrust dynamic pressure bearing apparatus and method for manufacturing the same
SANKYO SEIKI SEISAKUSHO KK2 citations62
US6446324B1Sep 10, 2002
Stacked layered core and method for manufacturing the same
SANKYO SEIKI SEISAKUSHO KK4 citations60
NIDEC CORP
10 patentsUS7088023B1Aug 8, 2006
Motor unit, manufacturing method therefor and recording disk driving apparatus
NIDEC CORP69 citations97
US7201517B2Apr 10, 2007
Hydrodynamic bearing device and a recording disk drive equipped with it
NIDEC CORP42 citations92
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
US7365939B2Apr 29, 2008
Dynamic-pressure bearing device and disk drive
NIDEC CORP14 citations84
US7456540B2Nov 25, 2008
Motor and recording disk drive device provided with the same
NIDEC CORP13 citations83
US7118278B2Oct 10, 2006
Hydrodynamic bearing, manufacturing method of hydrodynamic bearing, spindle motor provided with hydrodynamic bearing and disk drive device provided with this spindle motor
NIDEC CORP16 citations83
US7374340B2May 20, 2008
Fluid dynamic-pressure bearing, spindle motor and recording disk driving device
NIDEC CORP7 citations74
US7327066B2Feb 5, 2008
Motor and recording disk drive device provided with the same
NIDEC CORP6 citations72
US7355313B2Apr 8, 2008
Stator, spindle motor, and recording disk driving apparatus
NIDEC CORP8 citations68
US7455457B2Nov 25, 2008
Hydrodynamic bearing device and a recording disk drive equipped with it
NIDEC CORP5 citations62
NIDEC SANKYO CORP
6 patentsUS7059771B2Jun 13, 2006
Motors with oil dynamic pressure bearing, oil dynamic pressure bearing devices and method for manufacturing the same
NIDEC SANKYO CORP13 citations83
US10948737B2Mar 16, 2021
Optical unit with shake correction function having swing supporting mechanism permitting a tilting posture
NIDEC SANKYO CORP4 citations73
US10356292B2Jul 16, 2019
Optical unit with rolling correction function and optical unit with triaxial shake correction function
NIDEC SANKYO CORP3 citations73
US10948736B2Mar 16, 2021
Optical unit with shake correction function having magnetic driving mechanism and flexible printed circuit board
NIDEC SANKYO CORP1 citations63
US10809542B2Oct 20, 2020
Rolling magnetic driving unit and optical unit with shake correction function
NIDEC SANKYO CORP1 citations63
US7461455B2Dec 9, 2008
Method for manufacturing a fluid dynamic bearing by printing a resin sliding film
NIDEC SANKYO CORP4 citations60
GOMYO MASATO
3 patentsUS8164850B2Apr 24, 2012
Fluid dynamic bearing device, spindle motor, and disk drive apparatus including nickel coated bearing housing
GOMYO MASATO11 citations82
US8087156B2Jan 3, 2012
Methods of manufacturing fluid-dynamic-pressure bearing and spindle motor incorporating the bearing, and spindle motor and recording-disk drive incorporating the bearing
GOMYO MASATO3 citations62
US8056210B2Nov 15, 2011
Manufacturing method for motor
GOMYO MASATO6 citations61
KABUSHI KAISHA SANKYO SEIKI SE
1 patentTOYO DRILUBE CO LTD
1 patentNIPPON DENSAN CO LTD
1 patentShowing the top 50 of 54 patents by PatentIndex Score.