P

Inventor

NISHIDA HIROSHI

JP176 patents
⚠️ This page may combine multiple inventors who share the name “NISHIDA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

14 patents
US5469311ANov 21, 1995

Vibration absorbing structure for a magnetic disk apparatus

HITACHI LTD57 citations94
US5031059AJul 9, 1991

Rotating disk storage device with cooling gas flow control

HITACHI LTD38 citations93
US6771460B2Aug 3, 2004

Spindle motor and magnetic disc device using thereof having radial and thrust bearings

HITACHI LTD23 citations92
US6552877B2Apr 22, 2003

Magnetic-head supporting mechanism

HITACHI LTD21 citations92
US6469866B1Oct 22, 2002

Spindle motor and magnetic disc device with hydrodynamic bearing

HITACHI LTD16 citations92
US6243230B1Jun 5, 2001

Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit

HITACHI LTD19 citations92
US5885005AMar 23, 1999

Bearing device and spindle motor provided with the bearing device

HITACHI LTD43 citations92
US5245489ASep 14, 1993

Guide arm with a fixed printed circuit board for magnetic disk drive

HITACHI LTD28 citations92
US5140482AAug 18, 1992

Guide arm with affixed printed circuit board for magnetic disk drive

HITACHI LTD32 citations92
US4542429ASep 17, 1985

Apparatus for reducing starting adhesion between a magnetic disc and flying head

HITACHI LTD48 citations92
US5504638AApr 2, 1996

Device for driving disk-type storage medium with improved clamp and hub arrangement

HITACHI LTD34 citations91
US5189577AFeb 23, 1993

A magnetic disk apparatus and a motor securement therefor

HITACHI LTD25 citations91
US5027242AJun 25, 1991

Magnetic disk apparatus having at least six magnetic disks

HITACHI LTD42 citations91
US5532563AJul 2, 1996

Disk device with auxiliary battery and start method thereof

HITACHI LTD24 citations89

MURATA MANUFACTURING CO

11 patents

KAWASAKI HEAVY IND LTD

5 patents

SHARP KK

4 patents

FUJITSU LTD

3 patents

WESTERN DIGITAL FREMONT INC

2 patents

READ RITE SMI CORP

1 patent

READ RITE CORP

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

DAINIPPON PRINTING CO LTD

1 patent

RICOH KK

1 patent

MERCIAN CORP

1 patent

SUMITOMO CHEMICAL CO

1 patent

UBE INDUSTRIES

1 patent

NIPPON STEEL CORP

1 patent

NIKON CORP

1 patent

NIIHARA KOICHI

1 patent

Showing the top 50 of 176 patents by PatentIndex Score.