P

Inventor

OTSUKI MAKOTO

JP23 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKI MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

15 patents
US6749339B1Jun 15, 2004

Hydrodynamic bearing assembly and spindle motor having the same

SUMITOMO ELECTRIC INDUSTRIES18 citations92
US6686673B1Feb 3, 2004

Bearing structures, spindle motor, and hard disk drive

SUMITOMO ELECTRIC INDUSTRIES30 citations92
US6502989B1Jan 7, 2003

Dynamic pressure bearing and spindle motor with the bearing

SUMITOMO ELECTRIC INDUSTRIES23 citations92
US6417590B1Jul 9, 2002

Spindle motor

SUMITOMO ELECTRIC INDUSTRIES22 citations92
US5514903AMay 7, 1996

Compound semiconductor single-crystalline substrate for liquid phase epitaxial growth

SUMITOMO ELECTRIC INDUSTRIES21 citations90
US6702464B1Mar 9, 2004

Dynamic pressure bearing with improved starting characteristics

SUMITOMO ELECTRIC INDUSTRIES18 citations84
US6307295B1Oct 23, 2001

Spindle motor and complex bearing assembly for use with the spindle motor

SUMITOMO ELECTRIC INDUSTRIES15 citations84
US6200035B1Mar 13, 2001

Hydrodynamic gas bearing structure

SUMITOMO ELECTRIC INDUSTRIES16 citations84
US7033078B2Apr 25, 2006

Hydrodynamic bearing assembly and spindle motor having the same

SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6771459B1Aug 3, 2004

Spindle motor and hard disc drive incorporating the same

SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6608415B2Aug 19, 2003

Spindle motor

SUMITOMO ELECTRIC INDUSTRIES11 citations74
US5639299AJun 17, 1997

Method of making compound semiconductor single-crystalline substrate for liquid phase epitaxial growth

SUMITOMO ELECTRIC INDUSTRIES6 citations71
US7360950B2Apr 22, 2008

Hydrodynamic bearing assembly

SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6870289B1Mar 22, 2005

Dynamic-pressure bearing and spindle motor comprising the same

SUMITOMO ELECTRIC INDUSTRIES2 citations63
US6552455B1Apr 22, 2003

Hydrodynamic bearing and spindle motor

SUMITOMO ELECTRIC INDUSTRIES6 citations63

SEIKO EPSON CORP

7 patents

TOSOH CORP

1 patent