Inventor · disambiguated record
Hiroshi Ide
Also filed as: IDE HIROSHI
47 granted patents·4 pending applications·1,385 citations·filing 1979–2020
99Inventor score
Files withHITACHI LTD27HITACHI GLOBAL STORAGE TECH4MITSUBISHI CHEM IND4WESTERN DIGITAL TECH INC3AKITA ELECTRONICS SYSTEMS CO L1
Top patents by PatentIndex Score
51 records- 0198US5333126AInformation recording method and optical disk apparatus using sameHITACHI LTD·Filed 1993·Granted Jul 26, 1994·144 cites·20 claims
- 0297US5732061ARecording method using trial write test patternHITACHI LTD·Filed 1996·Granted Mar 24, 1998·114 cites·25 claims
- 0397US5642343AMagnetooptic disc apparatus and recording mediumHITACHI LTD·Filed 1992·Granted Jun 24, 1997·117 cites·17 claims
- 0497US5418770AMethod of and apparatus for correcting edge interval of pit in optical recording/read-out apparatusHITACHI LTD·Filed 1991·Granted May 23, 1995·120 cites·16 claims
- 0596US7443625B2Magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Oct 28, 2008·29 cites·10 claims
- 0695US5590111AMethod of controlling recording of optical recordsHITACHI LTD·Filed 1993·Granted Dec 31, 1996·73 cites·10 claims
- 0795US5513165AMethod for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testingHITACHI LTD·Filed 1993·Granted Apr 30, 1996·90 cites·23 claims
- 0892US5848045AMethod for recording and reading an optical diskHITACHI LTD·Filed 1997·Granted Dec 8, 1998·70 cites·14 claims
- 0991US6795277B2Magnetic head and magnetic disk driveHITACHI LTD·Filed 2002·Granted Sep 21, 2004·27 cites·6 claims
- 1091US6657805B2Method of controlling read write operation of a magnetic disk apparatusHITACHI LTD·Filed 2001·Granted Dec 2, 2003·27 cites·7 claims
- 1191US4537855APhotopolymerizable photosensitive compositionMITSUBISHI CHEM IND·Filed 1983·Granted Aug 27, 1985·59 cites·25 claims
- 1290US5457666ALight modulation method for forming a mark in magneto-optical recording systemHITACHI LTD·Filed 1993·Granted Oct 10, 1995·53 cites·25 claims
- 1389US10607645B1Data storage device generating PES RRO and data sector squeeze RRO for a plurality of zonesWESTERN DIGITAL TECH INC·Filed 2019·Granted Mar 31, 2020·8 cites·20 claims
- 1487US10699745B1Data storage device defining track trajectory to reduce AC track squeezeWESTERN DIGITAL TECH INC·Filed 2019·Granted Jun 30, 2020·6 cites·9 claims
- 1587US6683823B2Method for reproducing information on a recording mediumHITACHI LTD·Filed 2002·Granted Jan 27, 2004·22 cites·3 claims
- 1687US5345434AMethod and apparatus for correcting edge interval of record signal in an optical record/read-out apparatusHITACHI LTD·Filed 1993·Granted Sep 6, 1994·43 cites·18 claims
- 1785US7330324B2Magnetic disk drive having a function for using a thermal protrusion amount for flying height management and an inspection device having such a functionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 12, 2008·20 cites·19 claims
- 1884US6934128B2Magnetic head and magnetic disk driveHITACHI LTD·Filed 2004·Granted Aug 23, 2005·14 cites·3 claims
- 1984US6791776B2Apparatus for information recording and reproducingHITACHI LTD·Filed 2001·Granted Sep 14, 2004·18 cites·8 claims
- 2082US6980385B2Apparatus for information recording and reproducingHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 27, 2005·15 cites·12 claims
- 2182US5553051AIncreased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the sameHITACHI LTD·Filed 1995·Granted Sep 3, 1996·39 cites·24 claims
- 2282US5498641APolymerizable composition containing pyrromethene type coloring matter and titanocene compoundMITSUBISHI CHEM CORP·Filed 1994·Granted Mar 12, 1996·20 cites·12 claims
- 2378US4271261ADeveloper composition for lithographic printing platesMITSUBISHI CHEM IND·Filed 1979·Granted Jun 2, 1981·23 cites·10 claims
- 2477US6937449B2Spin-valve head containing closed-flux-structure domain control filmsHITACHI LTD·Filed 2002·Granted Aug 30, 2005·12 cites·18 claims
- 2577US5463600AMagneto-optical recording system using recording waveform having a plurality of power levels providing high recording densityHITACHI LTD·Filed 1994·Granted Oct 31, 1995·40 cites·26 claims
- 2676US7136340B2Semiconductor integrated circuit and medium record playback deviceAKITA ELECTRONICS SYSTEMS CO L·Filed 2003·Granted Nov 14, 2006·11 cites·6 claims
- 2771US6327112B1Adjacent track position detectable information storage apparatusHITACHI LTD·Filed 1999·Granted Dec 4, 2001·22 cites·12 claims
- 2871US6310741B1Magnetic disk apparatus with data track reassigning functionHITACHI LTD·Filed 1999·Granted Oct 30, 2001·19 cites·13 claims
- 2971US5491678AMethod and apparatus for recording/reproducing information data in a two-dimensional formatHITACHI LTD·Filed 1994·Granted Feb 13, 1996·16 cites·26 claims
- 3070US6493297B1Multibeam optical disk record and reproduction apparatus and methodHITACHI LTD·Filed 1993·Granted Dec 10, 2002·18 cites·18 claims
- 3166US5657308AApparatus for recording/reproducing information data in two dimensional formatHITACHI LTD·Filed 1995·Granted Aug 12, 1997·16 cites·2 claims
- 3261US7643261B2Semiconductor deviceRENESAS TECH CORP·Filed 2006·Granted Jan 5, 2010·2 cites·9 claims
- 3361US6373407B1Data encoding method for digital data recording and data recording system using the sameHITACHI LTD·Filed 1999·Granted Apr 16, 2002·15 cites·5 claims
- 3460US11049518B2Data storage device defining track trajectory to reduce AC track squeezeWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 29, 2021·0 cites·20 claims
- 3558US4984526AThread chain guiding device for overedge sewing machinesJUKI KK·Filed 1989·Granted Jan 15, 1991·6 cites·3 claims
- 3654US10414117B2Tile unitGLOBAL STONE MAT INC·Filed 2018·Granted Sep 17, 2019·0 cites·4 claims
- 3754US7227818B1Magneto-optical data recording/reproducing methodHITACHI LTD·Filed 1995·Granted Jun 5, 2007·11 cites·15 claims
- 3852US7057838B2Magnetic disk device having a write head to write by shifting in a radial directionHITACHI LTD·Filed 2003·Granted Jun 6, 2006·1 cites·17 claims
- 3951US4990428APhotosensitive planographic printing plateMITSUBISHI CHEM IND·Filed 1990·Granted Feb 5, 1991·11 cites·3 claims
- 4048US4594958APresser foot lift device for a top feed sewing machineTOKYO JUKI INDUSTRIAL CO LTD·Filed 1985·Granted Jun 17, 1986·4 cites·8 claims
- 4148US2008192379A1Manufacturing method for magnetic disk driveKURITA MASAYUKI·Filed 2008·Application pending·0 cites
- 4247US7636212B2Magnetic disk drive with control of sense current of magnetic headHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 22, 2009·0 cites·12 claims
- 4346US5151924AAutomatic equalization method and apparatusHITACHI LTD·Filed 1989·Granted Sep 29, 1992·6 cites·6 claims
- 4445US6560168B1Information recording/reproducing deviceHITACHI LTD·Filed 1998·Granted May 6, 2003·6 cites·28 claims
- 4543US2008204924A1Information recording deviceOHNO JUN·Filed 2008·Application pending·0 cites
- 4642US6251986B1Paint resin emulsion having weatherabilityNAT STARCH CHEM INVEST·Filed 1998·Granted Jun 26, 2001·8 cites·5 claims
- 4741US4863835ADeveloper composition for lithographic printing platesMITSUBISHI CHEM IND·Filed 1982·Granted Sep 5, 1989·6 cites·10 claims
- 4840US8351311B2Semiconductor integrated circuit and optical disk device having the sameRENESAS ELECTRONICS CORP·Filed 2011·Granted Jan 8, 2013·0 cites·20 claims
- 4937US5364731AMulti-color transfer image forming method to form color proofsKONISHIROKU PHOTO IND·Filed 1993·Granted Nov 15, 1994·4 cites·22 claims
- 5036US2011020669A1Magnetic recording mediumSAYAMA JUNICHI·Filed 2010·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →