Inventor · disambiguated record
Keizo Nishimura
Also filed as: NISHIMURA KEIZO
50 granted patents·699 citations·filing 1979–2008
98Inventor score
Files withHITACHI LTD40ACTION JAPAN INC4HITACHI CONSUMER ELECTRONICS4FIPA FROHWITTER IP AG1SHINAGAWA REFRACTORIES CO1
Top patents by PatentIndex Score
50 records- 0196US4541091ACode error detection and correction method and apparatusHITACHI LTD·Filed 1983·Granted Sep 10, 1985·64 cites·13 claims
- 0293US4907081ACompression and coding device for video signalsHITACHI LTD·Filed 1988·Granted Mar 6, 1990·137 cites·36 claims
- 0389US4677622AError correction method and systemHITACHI LTD·Filed 1984·Granted Jun 30, 1987·33 cites·5 claims
- 0486US5337199ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1991·Granted Aug 9, 1994·35 cites·3 claims
- 0585US5825969AInformation management apparatus for inhibiting reproduction in a video cassette recorderHITACHI LTD·Filed 1997·Granted Oct 20, 1998·30 cites·17 claims
- 0684US5247523ACode error correction apparatusHITACHI LTD·Filed 1990·Granted Sep 21, 1993·47 cites·14 claims
- 0782US5636316APicture signal digital processing unitHITACHI LTD·Filed 1994·Granted Jun 3, 1997·63 cites·9 claims
- 0882US4539605APCM Tape recording and reproducing apparatus having a dropout-immune data recording formatHITACHI LTD·Filed 1982·Granted Sep 3, 1985·24 cites·3 claims
- 0979US4649542ADigital signal transmission method providing high error correction capabilityHITACHI LTD·Filed 1984·Granted Mar 10, 1987·21 cites·6 claims
- 1076USD593261SHorse stirrupACTION JAPAN INC·Filed 2008·Granted May 26, 2009·6 cites·1 claims
- 1175US6204985B1Information management apparatusHITACHI LTD·Filed 2000·Granted Mar 20, 2001·6 cites·8 claims
- 1274US7259926B2Digital information recording/reproducing apparatusHITACHI LTD·Filed 2005·Granted Aug 21, 2007·1 cites·3 claims
- 1374US4238770AVertical synchronizing signal detector circuitHITACHI LTD·Filed 1979·Granted Dec 9, 1980·19 cites·6 claims
- 1472US5897218ASignal recording/reproducing method and apparatus in which key information for descrambling is recorded in an area on the signal recording mediumHITACHI LTD·Filed 1997·Granted Apr 27, 1999·41 cites·26 claims
- 1572US4423498AControl apparatus for a recording medium drive motor in a digital information reproducing apparatusHITACHI LTD·Filed 1981·Granted Dec 27, 1983·28 cites·12 claims
- 1667US7952823B2Method for transmitting digital audio and video informationHITACHI CONSUMER ELECTRONICS·Filed 2007·Granted May 31, 2011·0 cites·10 claims
- 1766US7859777B2Method and apparatus for transmitting and receiving digital video and audio informationHITACHI CONSUMER ELECTRONICS·Filed 2007·Granted Dec 28, 2010·0 cites·11 claims
- 1866US7808733B2Method and apparatus for transmitting and receiving digital video and audio informationHITACHI CONSUMER ELECTRONICS·Filed 2007·Granted Oct 5, 2010·0 cites·19 claims
- 1964US7286310B2Apparatus for receiving compressed digital informationHITACHI LTD·Filed 2006·Granted Oct 23, 2007·0 cites·7 claims
- 2064US6388831B1Apparatus and method for limiting the reproduction of main informationHITACHI LTD·Filed 2000·Granted May 14, 2002·3 cites·14 claims
- 2164US6324025B1Digital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 2000·Granted Nov 27, 2001·2 cites·9 claims
- 2264US4614934ADigital-to-analog converter device for processing PCM signals of different sampling frequenciesHITACHI LTD·Filed 1984·Granted Sep 30, 1986·15 cites·10 claims
- 2363US5757824ACode error correction apparatusHITACHI LTD·Filed 1993·Granted May 26, 1998·20 cites·10 claims
- 2462US8009375B2Apparatus and method for receiving and recording digital informationHITACHI CONSUMER ELECTRONICS·Filed 2005·Granted Aug 30, 2011·0 cites·32 claims
- 2562US6284045B1Apparatus for building unburned refractorySHINAGAWA REFRACTORIES CO·Filed 1998·Granted Sep 4, 2001·9 cites·15 claims
- 2662US4363039AAutomatic operation control apparatus for a PCM recording and reproducing systemHITACHI LTD·Filed 1979·Granted Dec 7, 1982·10 cites·16 claims
- 2759US6278564B1Digital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 2000·Granted Aug 21, 2001·1 cites·5 claims
- 2856US6731451B2Information management apparatusHITACHI LTD·Filed 2001·Granted May 4, 2004·1 cites·6 claims
- 2956US5463505AHelical-scan information recording-playback apparatusHITACHI LTD·Filed 1990·Granted Oct 31, 1995·10 cites·33 claims
- 3056US4472686ACircuit for reproducing and demodulating modulated digital signalsHITACHI LTD·Filed 1981·Granted Sep 18, 1984·16 cites·7 claims
- 3151US7027240B2Digital information recording/reproducing method and apparatusHITACHI LTD·Filed 2003·Granted Apr 11, 2006·0 cites·15 claims
- 3250US6952315B2Digital information recording/reproducing apparatusHITACHI LTD·Filed 2003·Granted Oct 4, 2005·0 cites·2 claims
- 3350US6590726B2Apparatus and method for transmitting and receiving digital informationHITACHI LTD·Filed 2002·Granted Jul 8, 2003·0 cites·10 claims
- 3450US5671095ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1994·Granted Sep 23, 1997·6 cites·26 claims
- 3548US7028453B2Horse bitACTION JAPAN INC·Filed 2004·Granted Apr 18, 2006·1 cites·18 claims
- 3648US7012769B2Digital information recording/reproducing apparatusHITACHI LTD·Filed 2003·Granted Mar 14, 2006·0 cites·9 claims
- 3748US5530598ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1995·Granted Jun 25, 1996·8 cites·2 claims
- 3848US5517368ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1995·Granted May 14, 1996·8 cites·1 claims
- 3947US7706541B2Information management apparatusFIPA FROHWITTER IP AG·Filed 2004·Granted Apr 27, 2010·0 cites·4 claims
- 4046US6498691B2Digital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 2001·Granted Dec 24, 2002·0 cites·12 claims
- 4144US6069757ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1999·Granted May 30, 2000·2 cites·11 claims
- 4244US6002536ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1998·Granted Dec 14, 1999·2 cites·12 claims
- 4343US6031677AInformation management apparatusHITACHI LTD·Filed 1998·Granted Feb 29, 2000·3 cites·5 claims
- 4443US5027209AInterpolation circuit for digital signal processorHITACHI LTD·Filed 1989·Granted Jun 25, 1991·8 cites·6 claims
- 4542US5673154ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1996·Granted Sep 30, 1997·3 cites·6 claims
- 4640US4577319AError flag processorHITACHI LTD·Filed 1985·Granted Mar 18, 1986·13 cites·14 claims
- 4738US5862004ADigital transmission signal processing system and recording/reproducing systemHITACHI LTD·Filed 1997·Granted Jan 19, 1999·2 cites·2 claims
- 4832US5699203ADigital transmission signal processing system and recording reproducing systemHITACHI LTD·Filed 1996·Granted Dec 16, 1997·1 cites·7 claims
- 4929USD511594SJoint portion for a horse bitACTION JAPAN INC·Filed 2003·Granted Nov 15, 2005·0 cites·1 claims
- 5029USD506580SJoint portion of a mouth bitACTION JAPAN INC·Filed 2004·Granted Jun 21, 2005·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →