Inventor · disambiguated record
Seiichi Mita
Also filed as: MITA SEIICHI
72 granted patents·4 pending applications·1,825 citations·filing 1977–2016
99Inventor score
Top patents by PatentIndex Score
76 records- 0197US5732061ARecording method using trial write test patternHITACHI LTD·Filed 1996·Granted Mar 24, 1998·114 cites·25 claims
- 0297US5642343AMagnetooptic disc apparatus and recording mediumHITACHI LTD·Filed 1992·Granted Jun 24, 1997·117 cites·17 claims
- 0395US5590111AMethod of controlling recording of optical recordsHITACHI LTD·Filed 1993·Granted Dec 31, 1996·73 cites·10 claims
- 0495US5513165AMethod 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
- 0595US4970707AOptical tape apparatus with a tracking control mechanism and/or a focusing control mechanismHITACHI LTD·Filed 1988·Granted Nov 13, 1990·64 cites·26 claims
- 0693US6842875B2Signal processing apparatus and method, and data recording/reproducing apparatus using the sameHITACHI LTD·Filed 2002·Granted Jan 11, 2005·58 cites·4 claims
- 0793US5703855AOptical disk apparatus and recording and reading method for an optical disk using the sameHITACHI LTD·Filed 1994·Granted Dec 30, 1997·61 cites·7 claims
- 0892US6519715B1Signal processing apparatus and a data recording and reproducing apparatus including local memory processorHITACHI LTD·Filed 1999·Granted Feb 11, 2003·51 cites·4 claims
- 0992US5848045AMethod for recording and reading an optical diskHITACHI LTD·Filed 1997·Granted Dec 8, 1998·70 cites·14 claims
- 1090US5457666ALight modulation method for forming a mark in magneto-optical recording systemHITACHI LTD·Filed 1993·Granted Oct 10, 1995·53 cites·25 claims
- 1190US5047852AAdaptive transform encoder for digital image signal in recording/reproducing apparatusHITACHI LTD·Filed 1989·Granted Sep 10, 1991·77 cites·8 claims
- 1289US4246601ASolid-state color imaging deviceHITACHI LTD·Filed 1979·Granted Jan 20, 1981·43 cites·16 claims
- 1388US4653052AMethod for decoding double-encoding codes and apparatus using the sameHITACHI LTD·Filed 1985·Granted Mar 24, 1987·52 cites·6 claims
- 1486US6335841B1Coding apparatus and coding methodHITACHI LTD·Filed 2000·Granted Jan 1, 2002·17 cites·21 claims
- 1585US6215744B1Information recording/reproducing method and apparatus using EPRML connection processing systemHITACHI LTD·Filed 2000·Granted Apr 10, 2001·15 cites·4 claims
- 1684US6661594B2Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuitHITACHI LTD·Filed 2002·Granted Dec 9, 2003·14 cites·13 claims
- 1784US4764927ACode error correcting methodHITACHI LTD·Filed 1986·Granted Aug 16, 1988·41 cites·5 claims
- 1883US7028214B2Signal processing apparatus and a data recording and reproducing apparatus including local memory processorHITACHI LTD·Filed 2002·Granted Apr 11, 2006·11 cites·5 claims
- 1983US6334201B1Decoding circuit and information processing apparatusHITACHI LTD·Filed 1998·Granted Dec 25, 2001·33 cites·7 claims
- 2083US4628297ACode modulation systemHITACHI LTD·Filed 1985·Granted Dec 9, 1986·30 cites·6 claims
- 2183US4084181AApparatus for transmission of chrominance signals during blanking periodHITACHI LTD·Filed 1977·Granted Apr 11, 1978·29 cites·6 claims
- 2282US5497361AInformation reproducing apparatus with a DC level correcting capabilityHITACHI LTD·Filed 1993·Granted Mar 5, 1996·32 cites·12 claims
- 2381US5818655ASignal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuitHITACHI LTD·Filed 1995·Granted Oct 6, 1998·30 cites·35 claims
- 2480US4367495AMethod and apparatus for magnetic recording and reproduction of digital signalHITACHI ELECTRONICS·Filed 1980·Granted Jan 4, 1983·22 cites·6 claims
- 2579US10502832B2Object recognition apparatus and noise removal methodDENSO CORP·Filed 2016·Granted Dec 10, 2019·5 cites·22 claims
- 2678US9796378B2Vehicle travel path generating apparatusDENSO CORP·Filed 2014·Granted Oct 24, 2017·7 cites·12 claims
- 2778US6069856AInformation recording/reproduction method and apparatus using EPRML connection processing system using concatenated demodulatorsHITACHI LTD·Filed 1997·Granted May 30, 2000·24 cites·59 claims
- 2878US5774470ADigital signal processor, error detection method, and recording medium reproducerHITACHI LTD·Filed 1995·Granted Jun 30, 1998·34 cites·12 claims
- 2978US5235591AStack type optical disc apparatus, sealed and separate type optical head therefor and optical disc mediumHITACHI LTD·Filed 1991·Granted Aug 10, 1993·27 cites·34 claims
- 3077US6304402B1Equalizer and magnetically recorded-signal reproducerHITACHI LTD·Filed 2000·Granted Oct 16, 2001·9 cites·5 claims
- 3177US5872666ADecoder circuitry with PRML signal processing for reproducing apparatusHITACHI LTD·Filed 1995·Granted Feb 16, 1999·35 cites·3 claims
- 3276US8117518B2Signal processing apparatus and a data recording and reproducing apparatus including local memory processorTAKASHI TERUMI·Filed 2007·Granted Feb 14, 2012·2 cites·4 claims
- 3376US4963992AApparatus for recording/reproducing digital video signals in both a standard mode and a long playing modeHITACHI LTD·Filed 1989·Granted Oct 16, 1990·30 cites·4 claims
- 3474US5090005ATape recorder with means for sampling and holding focusing and tracking error signals during discontinuity of tape on surface of rotating drumHITACHI LTD·Filed 1989·Granted Feb 18, 1992·18 cites·20 claims
- 3573US5970091AEqualizer having a processing unit for selecting a coefficient out of a coefficient tableHITACHI LTD·Filed 1996·Granted Oct 19, 1999·19 cites·12 claims
- 3672US7199955B2Decoding apparatus and decoding methodHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Apr 3, 2007·6 cites·15 claims
- 3772US5131011AReceiver for data transmission system with nonlinearitiesPHILIPS NV·Filed 1990·Granted Jul 14, 1992·67 cites·9 claims
- 3871US6704154B2Decoding apparatus and decoding methodHITACHI LTD·Filed 2001·Granted Mar 9, 2004·6 cites·15 claims
- 3971US6493165B1Magnetic disk driveHITACHI LTD·Filed 1999·Granted Dec 10, 2002·19 cites·10 claims
- 4071US5940416ADigital signal decoding apparatus and a decoding method used thereinHITACHI LTD·Filed 1997·Granted Aug 17, 1999·32 cites·9 claims
- 4168US6725418B2Decoding circuit using path sequence including feed-back type path sequence storing blocksHITACHI LTD·Filed 2001·Granted Apr 20, 2004·13 cites·2 claims
- 4268US6104331AReproduced signal processing method, reproduced signal processing circuit, and a magnetic storage apparatusHITACHI LTD·Filed 1998·Granted Aug 15, 2000·21 cites·27 claims
- 4367US6577461B2Magnetic disk driveHITACHI LTD·Filed 2002·Granted Jun 10, 2003·5 cites·10 claims
- 4466US6873665B2Digital magnetic recording/reproducing apparatusHITACHI LTD·Filed 2001·Granted Mar 29, 2005·12 cites·18 claims
- 4564US6337889B1Partial response demodulating method and apparatus using the sameHITACHI LTD·Filed 1998·Granted Jan 8, 2002·43 cites·16 claims
- 4663US5412632AInformation reproducing apparatus with a DC level correcting capabilityHITACHI LTD·Filed 1993·Granted May 2, 1995·14 cites·4 claims
- 4761US6373407B1Data encoding method for digital data recording and data recording system using the sameHITACHI LTD·Filed 1999·Granted Apr 16, 2002·15 cites·5 claims
- 4860US6326838B1Time sharing analog filters control method and magnetic disk systemHITACHI LTD·Filed 1999·Granted Dec 4, 2001·15 cites·5 claims
- 4960US4730223AMethod of converting a digital data signal having a first length into a digital data signal having a second lengthHITACHI LTD·Filed 1985·Granted Mar 8, 1988·16 cites·15 claims
- 5059US10043106B2Corresponding point searching method and distance detection deviceDENSO CORP·Filed 2016·Granted Aug 7, 2018·1 cites·6 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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