P

Inventor

TAKAHASHI TSUYOSHI

JP161 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

15 patents
US5414591AMay 9, 1995

Magnetic disk storage system

HITACHI LTD326 citations98
US5189578AFeb 23, 1993

Disk system with sub-actuators for fine head displacement

HITACHI LTD202 citations98
US5173819ADec 22, 1992

Disk apparatus having an improved cooling structure

HITACHI LTD180 citations97
US5206772AApr 27, 1993

Magnetic disk apparatus having improved arrangement of head disk assemblies

HITACHI LTD112 citations96
US5636082AJun 3, 1997

Rotating disk storage device with cooling air flow control

HITACHI LTD18 citations93
US5517372AMay 14, 1996

Rotating disk storage device with cooling air flow control

HITACHI LTD30 citations93
US6771460B2Aug 3, 2004

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

HITACHI LTD23 citations92
US6469866B1Oct 22, 2002

Spindle motor and magnetic disc device with hydrodynamic bearing

HITACHI LTD16 citations92
US5247410ASep 21, 1993

Magnetic disk apparatus using a rotary actuator for magnetic head positioning with reduced vibration

HITACHI LTD53 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
US5062012AOct 29, 1991

Linear access mechanism with driving force reaction cancelling device and magnetic disk apparatus using the same

HITACHI LTD47 citations92
US4984115AJan 8, 1991

Rotary actuator and bearing support therefor

HITACHI LTD24 citations92
US6052255AApr 18, 2000

Magnetic disk unit having anti-impact arrangement

HITACHI LTD25 citations91
US5862011AJan 19, 1999

PC card type magnetic disk device

HITACHI LTD18 citations83

FUJITSU LTD

12 patents

TOKYO ELECTRON LTD

4 patents

TOYOTA MOTOR CO LTD

3 patents

HITACHI GLOBAL STORAGE TECH

2 patents

TAKAHASHI TSUYOSHI

2 patents

SANYO ELECTRIC CO

2 patents

TOKYO ELECTRON DEVICE LTD

1 patent

MITSUBSHI DENKI KABUSHIKI KAIS

1 patent

UNI CHARM CORP

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

GREEN CROSS CORP

1 patent

CANON KK

1 patent

IBM

1 patent

MAKIYAMA KOZO

1 patent

TOSHIBA STORAGE DEVICE CORP

1 patent

ARACO KK

1 patent

Showing the top 50 of 161 patents by PatentIndex Score.