P

Inventor

NAKAGAWA HISAYA

JP12 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA HISAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANKYO SEIKI SEISAKUSHO KK

8 patents
US6402385B1Jun 11, 2002

Dynamic pressure bearing apparatus

SANKYO SEIKI SEISAKUSHO KK38 citations92
US5980819ANov 9, 1999

Sintered oil-impregnated bearing, manufacturing method thereof, and motor comprising same

SANKYO SEIKI SEISAKUSHO KK26 citations92
US5129738AJul 14, 1992

Bearing device

SANKYO SEIKI SEISAKUSHO KK26 citations92
US5120091AJun 9, 1992

Oil impregnated sintered bearing

SANKYO SEIKI SEISAKUSHO KK29 citations92
US5120140AJun 9, 1992

Sintered oil-impregnated bearing

SANKYO SEIKI SEISAKUSHO KK28 citations92
US5631211AMay 20, 1997

Lubricating oil composition for use with sintered porous bearings

SANKYO SEIKI SEISAKUSHO KK41 citations89
US5372433ADec 13, 1994

Bearing device for an electric motor

SANKYO SEIKI SEISAKUSHO KK7 citations73
US6805489B2Oct 19, 2004

Dynamic pressure bearing device

SANKYO SEIKI SEISAKUSHO KK8 citations69

SANKYO SEIKI SESAKUSHO KK

1 patent
US6244749B1Jun 12, 2001

Dynamic pressure bearing device and method for manufacturing same

SANKYO SEIKI SESAKUSHO KK47 citations89

NIDEC SANKYO CORP

1 patent
US7435002B2Oct 14, 2008

Bearing unit

NIDEC SANKYO CORP11 citations84

GOMYO MASATO

1 patent
US8164850B2Apr 24, 2012

Fluid dynamic bearing device, spindle motor, and disk drive apparatus including nickel coated bearing housing

GOMYO MASATO11 citations82

SEKII YOICHI

1 patent
US8240920B2Aug 14, 2012

Fluid dynamic bearing, motor, and recording disk drive apparatus

SEKII YOICHI1 citations51