P

Inventor

OKANO YOSHIHIRO

JP39 patents
⚠️ This page may combine multiple inventors who share the name “OKANO YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUMI ELECTRIC CO LTD

32 patents
US5953187ASep 14, 1999

High-density flexible disk drive having a function of facilitating correct insertion of a large-capacity flexible disk thereinto without an insertion error

MITSUMI ELECTRIC CO LTD78 citations96
US5940255AAug 17, 1999

Large-capacity flexible disk and high-density type disk drive used therefor

MITSUMI ELECTRIC CO LTD86 citations96
US5648882AJul 15, 1997

Front structure for magnetic recording system

MITSUMI ELECTRIC CO LTD20 citations92
US5583745ADec 10, 1996

Data recording and reproducing device comprising a memory unit used for a memory card

MITSUMI ELECTRIC CO LTD38 citations92
US5396385AMar 7, 1995

Floppy disk drive

MITSUMI ELECTRIC CO LTD20 citations92
US5995469ANov 30, 1999

Disk device having movable cartridge holder and a cam plate having a cam groove with three successive inclined cam groove portions

MITSUMI ELECTRIC CO LTD14 citations82
US6239950B1May 29, 2001

High density flexible disk drive having a large capacity detecting switch provided at a position corresponding to a large capacity identifier hole provided in a case of a large capacity flexible disk

MITSUMI ELECTRIC CO LTD12 citations74
US6137762AOct 24, 2000

Disk device with improved movement mechanism

MITSUMI ELECTRIC CO LTD9 citations74
US6072655AJun 6, 2000

Magnetic disk drive having a position detection unit for detecting a current position of a magnetic head

MITSUMI ELECTRIC CO LTD14 citations74
US5880907AMar 9, 1999

Disk device with improved loading and unloading mechanism

MITSUMI ELECTRIC CO LTD6 citations74
US5243480ASep 7, 1993

Floppy disk drive

MITSUMI ELECTRIC CO LTD6 citations74
US6512671B1Jan 28, 2003

Peripheral apparatus for personal computer capable of responding to various demands in regard to appearance with low cost

MITSUMI ELECTRIC CO LTD11 citations72
USD481034SOct 21, 2003

Optical disk recording reproduction apparatus

MITSUMI ELECTRIC CO LTD10 citations66
US6538848B1Mar 25, 2003

Magnetic disk

MITSUMI ELECTRIC CO LTD3 citations63
US6477015B1Nov 5, 2002

Magnetic disk drive

MITSUMI ELECTRIC CO LTD3 citations63
US6285529B1Sep 4, 2001

Flexible disk liner arrangement capable of preventing the ingress of dust

MITSUMI ELECTRIC CO LTD3 citations63
US6278573B1Aug 21, 2001

Floppy disk drive having dustproof structure for high capacity floppy disk

MITSUMI ELECTRIC CO LTD2 citations63
US6134082AOct 17, 2000

Floppy disk device with a pair of double-liners holding a floppy disk by the double-liner pair

MITSUMI ELECTRIC CO LTD6 citations63
US6130806AOct 10, 2000

Disk cartridge comprising an improved magnetic disk medium including an annular reinforcing member

MITSUMI ELECTRIC CO LTD2 citations63
US6111727AAug 29, 2000

Flexible disk comprising a supporting hub for supporting a magnetic recording medium inside of a bottom portion

MITSUMI ELECTRIC CO LTD3 citations63
US6021028AFeb 1, 2000

Method of writing servo data and magnetic recording medium on which the servo data is written by the method

MITSUMI ELECTRIC CO LTD5 citations63
US5933295AAug 3, 1999

Magnetic disk drive with carriage lock lever locking mechanism

MITSUMI ELECTRIC CO LTD5 citations63
US5875077AFeb 23, 1999

Servo writer for a large capacity floppy disk having an integrated direct-acting head carriage and actuator

MITSUMI ELECTRIC CO LTD4 citations63
US5844746ADec 1, 1998

High-density disk drive having a cover portion which protects a light weight head carriage from electromagnetic noise

MITSUMI ELECTRIC CO LTD4 citations63
US5822157AOct 13, 1998

Magnetic data recording/reproducing device with voice coil motor having center yoke back yoke with bent portions and permanent magnet arranged to generate magnetic fields

MITSUMI ELECTRIC CO LTD2 citations63
US5831794ANov 3, 1998

Flexible disk drive having head carriage locking mechanism

MITSUMI ELECTRIC CO LTD3 citations62
US6411467B2Jun 25, 2002

Large-capacity flexible disk and high-density type disk drive used therefor

MITSUMI ELECTRIC CO LTD0 citations52
US6391139B1May 21, 2002

Method of making a disk cartridge comprising an improved magnetic disk medium

MITSUMI ELECTRIC CO LTD1 citations52
US6366433B1Apr 2, 2002

Large-capacity magnetic disk drive having head load pressure adjustment

MITSUMI ELECTRIC CO LTD1 citations52
US6091575AJul 18, 2000

Magnetic head support mechanism for a flexible disc drive

MITSUMI ELECTRIC CO LTD0 citations42
US6018440AJan 25, 2000

Flexible disk drive having a position detection unit for detecting a current position of a magnetic head

MITSUMI ELECTRIC CO LTD0 citations42
US6005752ADec 21, 1999

Magnetic data recording/reproducing device having a linear motor which includes a pair of coils integrally assembled with a carriage assembly on both sides thereof

MITSUMI ELECTRIC CO LTD0 citations42

YOKOGAWA ELECTRIC WORKS LTD

2 patents

NITTO DENKO CORP

2 patents

OKANO YOSHIHIRO

1 patent

NIPPON KOKAN KK

1 patent

YOKOGAWA ELECTRIC CORP

1 patent