Inventor · disambiguated record
Eiichi Yoneyama
Also filed as: YONEYAMA EIICHI
31 granted patents·6 pending applications·329 citations·filing 1995–2002
96Inventor score
Top patents by PatentIndex Score
37 records- 0195US5953187AHigh-density flexible disk drive having a function of facilitating correct insertion of a large-capacity flexible disk thereinto without an insertion errorMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Sep 14, 1999·78 cites·4 claims
- 0295US5940255ALarge-capacity flexible disk and high-density type disk drive used thereforMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Aug 17, 1999·86 cites·8 claims
- 0374US5583745AData recording and reproducing device comprising a memory unit used for a memory cardMITSUMI ELECTRIC CO LTD·Filed 1995·Granted Dec 10, 1996·38 cites·5 claims
- 0472US6844997B2Head feeding mechanism having protrusion engaged with lead screwMITSUMI ELECTRIC CO LTD·Filed 2002·Granted Jan 18, 2005·9 cites·9 claims
- 0565US5995469ADisk device having movable cartridge holder and a cam plate having a cam groove with three successive inclined cam groove portionsMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Nov 30, 1999·14 cites·3 claims
- 0662US6239950B1High 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 diskMITSUMI ELECTRIC CO LTD·Filed 1999·Granted May 29, 2001·12 cites·1 claims
- 0761US6324660B1Defect management method for a magnetic recording mediumMITSUMI ELECTRIC CO LTD·Filed 1999·Granted Nov 27, 2001·15 cites·12 claims
- 0859US6072655AMagnetic disk drive having a position detection unit for detecting a current position of a magnetic headMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Jun 6, 2000·14 cites·4 claims
- 0958US6538848B1Magnetic diskMITSUMI ELECTRIC CO LTD·Filed 2000·Granted Mar 25, 2003·3 cites·5 claims
- 1057US6477015B1Magnetic disk driveMITSUMI ELECTRIC CO LTD·Filed 2000·Granted Nov 5, 2002·3 cites·3 claims
- 1155US6137762ADisk device with improved movement mechanismMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Oct 24, 2000·9 cites·2 claims
- 1251US6391139B1Method of making a disk cartridge comprising an improved magnetic disk mediumMITSUMI ELECTRIC CO LTD·Filed 2000·Granted May 21, 2002·1 cites·1 claims
- 1350US6366433B1Large-capacity magnetic disk drive having head load pressure adjustmentMITSUMI ELECTRIC CO LTD·Filed 2000·Granted Apr 2, 2002·1 cites·11 claims
- 1448US5880907ADisk device with improved loading and unloading mechanismMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Mar 9, 1999·6 cites·3 claims
- 1545US2003076623A1High-density flexible disk drive having a function of facilitating correct insertion of a large-capacity flexible disk thereinto without an insertion errorMITSUMI ELECTRIC CO LTD·Filed 2002·Application pending·0 cites
- 1644US6411467B2Large-capacity flexible disk and high-density type disk drive used thereforMITSUMI ELECTRIC CO LTD·Filed 2001·Granted Jun 25, 2002·0 cites·7 claims
- 1744US6134082AFloppy disk device with a pair of double-liners holding a floppy disk by the double-liner pairMITSUMI ELECTRIC CO LTD·Filed 1998·Granted Oct 17, 2000·6 cites·4 claims
- 1843US2002024761A1High-density flexible disk drive having a function of facilitating correct insertion of a large-capacity flexible disk thereinto without an insertion errorFiled 2001·Application pending·0 cites
- 1941US6021028AMethod of writing servo data and magnetic recording medium on which the servo data is written by the methodMITSUMI ELECTRIC CO LTD·Filed 1996·Granted Feb 1, 2000·5 cites·4 claims
- 2041US5933295AMagnetic disk drive with carriage lock lever locking mechanismMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Aug 3, 1999·5 cites·5 claims
- 2139US6729569B2Reel hub lock releasing mechanismMITSUMI ELECTRIC CO LTD·Filed 2002·Granted May 4, 2004·0 cites·4 claims
- 2239US5875077AServo writer for a large capacity floppy disk having an integrated direct-acting head carriage and actuatorMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Feb 23, 1999·4 cites·6 claims
- 2339US5844746AHigh-density disk drive having a cover portion which protects a light weight head carriage from electromagnetic noiseMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Dec 1, 1998·4 cites·9 claims
- 2439US2003075638A1Take-up reel adapted to high speed rotationMITSUMI ELECTRIC CO LTD·Filed 2002·Application pending·0 cites
- 2538US2003169530A1Tape drive with ESD protectionMITSUMI ELECTRIC CO LTD·Filed 2002·Application pending·0 cites
- 2638US2003116667A1Tape drive with a reel motor having a cooling functionMITSUMI ELECTRIC CO LTD·Filed 2001·Application pending·0 cites
- 2737US6285529B1Flexible disk liner arrangement capable of preventing the ingress of dustMITSUMI ELECTRIC CO LTD·Filed 1999·Granted Sep 4, 2001·3 cites·7 claims
- 2837US6111727AFlexible disk comprising a supporting hub for supporting a magnetic recording medium inside of a bottom portionMITSUMI ELECTRIC CO LTD·Filed 1998·Granted Aug 29, 2000·3 cites·23 claims
- 2936US5831794AFlexible disk drive having head carriage locking mechanismMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Nov 3, 1998·3 cites·4 claims
- 3035US6130806ADisk cartridge comprising an improved magnetic disk medium including an annular reinforcing memberMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Oct 10, 2000·2 cites·1 claims
- 3134US6278573B1Floppy disk drive having dustproof structure for high capacity floppy diskMITSUMI ELECTRIC CO LTD·Filed 1999·Granted Aug 21, 2001·2 cites·12 claims
- 3234US5822157AMagnetic data recording/reproducing device with voice coil motor having center yoke back yoke with bent portions and permanent magnet arranged to generate magnetic fieldsMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Oct 13, 1998·2 cites·14 claims
- 3332USD478079SMagnetic tape storageMITSUMI ELECTRIC CO LTD·Filed 2002·Granted Aug 5, 2003·1 cites·1 claims
- 3431US2001003498A1High-density flexible disk drive having a function of facilitating correct insertion of a large-capacity flexible disk thereinto without an insertion errorMITSUMI ELECTRIC CO LTD TOKYO·Filed 1998·Application pending·0 cites
- 3530US6091575AMagnetic head support mechanism for a flexible disc driveMITSUMI ELECTRIC CO LTD·Filed 1998·Granted Jul 18, 2000·0 cites·10 claims
- 3630US6018440AFlexible disk drive having a position detection unit for detecting a current position of a magnetic headMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Jan 25, 2000·0 cites·8 claims
- 3730US6005752AMagnetic data recording/reproducing device having a linear motor which includes a pair of coils integrally assembled with a carriage assembly on both sides thereofMITSUMI ELECTRIC CO LTD·Filed 1997·Granted Dec 21, 1999·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →