Inventor

KOMATSU HISATERU

JP36 patents

Patents

36 patents

US6195225B1Feb 27, 2001

Disk drive having anti-wobbling mechanism

MITSUMI ELECTRIC CO LTD180 citations99

US6552870B2Apr 22, 2003

Disk drive improved in mounting structure of a printed circuit board with respect to a motor frame

MITSUMI ELECTRIC CO LTD8 citations74

US7295399B2Nov 13, 2007

Floppy disk drive

MITSUMI ELECTRIC CO LTD9 citations73

US6943983B2Sep 13, 2005

Flexible disk drive including sub circuit board with a hall element mounted thereon

MITSUMI ELECTRIC CO LTD8 citations73

US5805378ASep 8, 1998

Disk drive having a structure for preventing a front shutter from coming off from a main frame

MITSUMI ELECTRIC CO LTD4 citations63

US6804082B2Oct 12, 2004

Disk drive having a front shutter attaching structure capable of preventing a front shutter from coming off from a main frame

MITSUMI ELECTRIC CO LTD3 citations63

US6747831B2Jun 8, 2004

Floppy disk drive and frame structure therefor

MITSUMI ELECTRIC CO LTD2 citations63

US6507453B2Jan 14, 2003

Thin floppy disk drive capable of preventing an eject lever from erroneously operating

MITSUMI ELECTRIC CO LTD2 citations63

US6233114B1May 15, 2001

Disk drive

MITSUMI ELECTRIC CO LTD6 citations63

US6094324AJul 25, 2000

Disk drive with chassis opening for receiving disk mounting portion of motor drive cone

MITSUMI ELECTRIC CO LTD2 citations63

US5798886AAug 25, 1998

Magnetic disk chucking mechanism having a notched arm for clamping a roller

MITSUMI ELECTRIC CO LTD2 citations63

US5751518AMay 12, 1998

Head feeding mechanism in magnetic recording and reproducing device

MITSUMI ELECTRIC CO LTD5 citations63

US5633849AMay 27, 1997

Disk driver having a dust proof rear cover fitted on a rear wall of a frame unit

MITSUMI ELECTRIC CO LTD3 citations63

US5481421AJan 2, 1996

Magnetic disk driver capable of decreasing ingress of noise in a main surface of a main frame

MITSUMI ELECTRIC CO LTD3 citations63

US5442503AAug 15, 1995

Disk driver having a disk holder table with a holder ring

MITSUMI ELECTRIC CO LTD2 citations63

US5682281AOct 28, 1997

Magnetic disk driver capable of preventing occurrence of a data error resulting from static electricity

MITSUMI ELECTRIC CO LTD4 citations60

US5955815ASep 21, 1999

Stator of direct drive motor

MITSUMI ELECTRIC CO LTD2 citations58

US7227718B2Jun 5, 2007

Front shutter attaching structure and flexible disk drive having the same

MITSUMI ELECTRIC CO LTD0 citations52

US7151646B2Dec 19, 2006

Flexible disk drive

MITSUMI ELECTRIC CO LTD0 citations52

US7113373B2Sep 26, 2006

Low-profile flexible disk drive simple in structure

MITSUMI ELECTRIC CO LTD0 citations52

US7027262B2Apr 11, 2006

Spindle motor structure mounted directly on a base plate of a thin type flexible disk drive

MITSUMI ELECTRIC CO LTD0 citations52

US6906891B2Jun 14, 2005

Flexible disk drive having a frame structure comprising a main frame and a sub-frame of a lower cover

MITSUMI ELECTRIC CO LTD1 citations52

US6801406B2Oct 5, 2004

Flexible disk drive having a particular arrangement for mounting a metal fitting for a guide bar to a main frame

MITSUMI ELECTRIC CO LTD1 citations52

US6437940B1Aug 20, 2002

Floppy disk drive which prevents contact between a disk cartridge and magnetic heads until the disk cartridge is loaded from a loading portion to a recording/reproducing portion

MITSUMI ELECTRIC CO LTD1 citations52

US5689387ANov 18, 1997

Disk drive apparatus having improved disk loading mechanism

MITSUMI ELECTRIC CO LTD1 citations52

US7271980B2Sep 18, 2007

Disk chucking mechanism having a fan-shaped driving pin

MITSUMI ELECTRIC CO LTD0 citations42

US7136259B2Nov 14, 2006

Frame structure and flexible disk drive having the same

MITSUMI ELECTRIC CO LTD0 citations42

US6876516B2Apr 5, 2005

Disk drive having a reinforcing arrangement against an external stress applied thereto

MITSUMI ELECTRIC CO LTD0 citations42

US6873493B2Mar 29, 2005

Disk drive having a reinforcing arrangement against an external stress applied thereto

MITSUMI ELECTRIC CO LTD0 citations42

US6795276B2Sep 21, 2004

Flexible disk drive having a support plate coupled to a pedestal on the main plate by a plurality of projections and a screw

MITSUMI ELECTRIC CO LTD0 citations42

US6499210B2Dec 31, 2002

Method of accurately and easily mounting a drive motor to a frame member in assembling a disk drive for driving a flexible disk

MITSUMI ELECTRIC CO LTD0 citations42

US6166878ADec 26, 2000

Disk drive having the motor core secured via the disk rotating bearing flange to the chassis

MITSUMI ELECTRIC CO LTD0 citations42

US6185066B1Feb 6, 2001

Magnetic disk drive

MITSUMI ELECTRIC CO LTD0 citations36

KOMATSU HISATERU

Patents

Disk drive having anti-wobbling mechanism

Disk drive improved in mounting structure of a printed circuit board with respect to a motor frame

Floppy disk drive

Flexible disk drive including sub circuit board with a hall element mounted thereon

Magnetic disk drive of a structure capable of being lightened in weight

Disc drive having positional shift adjustment

Flexible disk drive having an eject base usable as a cover

Disk drive having a structure for preventing a front shutter from coming off from a main frame

Disk drive having a front shutter attaching structure capable of preventing a front shutter from coming off from a main frame

Floppy disk drive and frame structure therefor

Thin floppy disk drive capable of preventing an eject lever from erroneously operating

Disk drive

Disk drive with chassis opening for receiving disk mounting portion of motor drive cone

Magnetic disk chucking mechanism having a notched arm for clamping a roller

Head feeding mechanism in magnetic recording and reproducing device

Disk driver having a dust proof rear cover fitted on a rear wall of a frame unit

Magnetic disk driver capable of decreasing ingress of noise in a main surface of a main frame

Disk driver having a disk holder table with a holder ring

Magnetic disk driver capable of preventing occurrence of a data error resulting from static electricity

Stator of direct drive motor

Front shutter attaching structure and flexible disk drive having the same

Flexible disk drive

Low-profile flexible disk drive simple in structure

Spindle motor structure mounted directly on a base plate of a thin type flexible disk drive

Flexible disk drive having a frame structure comprising a main frame and a sub-frame of a lower cover

Flexible disk drive having a particular arrangement for mounting a metal fitting for a guide bar to a main frame

Floppy disk drive which prevents contact between a disk cartridge and magnetic heads until the disk cartridge is loaded from a loading portion to a recording/reproducing portion

Disk drive apparatus having improved disk loading mechanism

Disk chucking mechanism having a fan-shaped driving pin

Frame structure and flexible disk drive having the same

Disk drive having a reinforcing arrangement against an external stress applied thereto

Disk drive having a reinforcing arrangement against an external stress applied thereto

Flexible disk drive having a support plate coupled to a pedestal on the main plate by a plurality of projections and a screw

Method of accurately and easily mounting a drive motor to a frame member in assembling a disk drive for driving a flexible disk

Disk drive having the motor core secured via the disk rotating bearing flange to the chassis

Magnetic disk drive