P

Inventor

SHISHIDO YUJI

JP44 patents
⚠️ This page may combine multiple inventors who share the name “SHISHIDO YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

25 patents
US6005749ADec 21, 1999

Rotation drive apparatus

SONY CORP64 citations95
US7381027B2Jun 3, 2008

Fan motor

SONY CORP23 citations92
US6252319B1Jun 26, 2001

Disk rotating mechanism

SONY CORP41 citations91
US7381034B2Jun 3, 2008

Hydrodynamic pressure bearing pump with a shaft and a bearing having hydrodynamic pressure generating grooves

SONY CORP18 citations84
US7885065B2Feb 8, 2011

Fan motor apparatus and electronic apparatus

SONY CORP11 citations82
US7696655B2Apr 13, 2010

Automatic balancing apparatus, rotating apparatus, disc drive apparatus, and balancer

SONY CORP8 citations81
US7510329B2Mar 31, 2009

Bearing unit and rotary drive using the same

SONY CORP7 citations73
US7258487B2Aug 21, 2007

Bearing unit, and motor and electronic apparatus having the bearing unit

SONY CORP7 citations73
US7011449B2Mar 14, 2006

Bearing unit and motor using same

SONY CORP7 citations73
US6314077B1Nov 6, 2001

Disk drive

SONY CORP11 citations73
US7029179B2Apr 18, 2006

Bearing unit, and motor using same

SONY CORP8 citations72
US7882512B2Feb 1, 2011

Automatic balancing apparatus, rotating apparatus, disc drive apparatus, balancer, and housing

SONY CORP6 citations70
US5434730AJul 18, 1995

Spindle motor and recording medium assembly

SONY CORP6 citations63
US7775719B2Aug 17, 2010

Bearing unit and rotary drive using the same

SONY CORP3 citations62
US7492549B2Feb 17, 2009

Automatic balancing device, rotational driving device and disk drive

SONY CORP3 citations62
US7455456B2Nov 25, 2008

Bearing unit and rotation drive device using the same

SONY CORP4 citations62
US7438475B2Oct 21, 2008

Bearing unit, and motor and electronic equipment, both equipped with the bearing unit

SONY CORP4 citations62
US7073946B2Jul 11, 2006

Bearing unit, and motor using same

SONY CORP4 citations62
US7044640B2May 16, 2006

Bearing unit, and motor using same

SONY CORP1 citations62
US7753590B2Jul 13, 2010

Bearing unit and driving motor using the bearing unit

SONY CORP4 citations61
US7614791B2Nov 10, 2009

Bearing unit and motor using the same

SONY CORP6 citations61
US6424613B1Jul 23, 2002

Iron core coil motor and disk drive

SONY CORP5 citations61
US7564155B2Jul 21, 2009

Bearing unit and motor

SONY CORP4 citations60
US6772427B2Aug 3, 2004

Motor securing structures and disc drive

SONY CORP3 citations60
US7245563B2Jul 17, 2007

Optical pickup and disc drive apparatus

SONY CORP1 citations52

PFIZER

10 patents

RAQUALIA PHARMA INC

4 patents

YAMAGISHI TATSUYA

1 patent

WARNER LAMBERT CO

1 patent

NAGAYAMA SATOSHI

1 patent

COX MATTHEW

1 patent

KAWAMURA KIYOSHI

1 patent