Inventor · disambiguated record
Hirofumi Nishikawa
Also filed as: NISHIKAWA HIROFUMI
91 granted patents·14 pending applications·2,362 citations·filing 1991–2024
99Inventor score
Top patents by PatentIndex Score
105 records- 0197US6307973B2Image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 23, 2001·76 cites·5 claims
- 0295US7031965B1Image retrieving and delivering system and image retrieving and delivering methodMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Apr 18, 2006·136 cites·22 claims
- 0395US6862320B1Image decoder, image encoder, image communication system, and encoded bit stream converterMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 1, 2005·119 cites·10 claims
- 0495US6097759AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Aug 1, 2000·120 cites·10 claims
- 0595US6002439AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Dec 14, 1999·115 cites·26 claims
- 0694US8054889B2Image decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Nov 8, 2011·11 cites·1 claims
- 0794US6188794B1Image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Feb 13, 2001·101 cites·5 claims
- 0893US6665442B2Image retrieval system and image retrieval methodMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 16, 2003·78 cites·22 claims
- 0993US5990960AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Nov 23, 1999·95 cites·10 claims
- 1093US5274442AAdaptive blocking image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Dec 28, 1993·82 cites·5 claims
- 1192US6493385B1Image encoding method, image encoder, image decoding method, and image decoderMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Dec 10, 2002·150 cites·10 claims
- 1292US6385343B1Image decoding device and image encoding deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 7, 2002·58 cites·37 claims
- 1390US8045624B2Video bit stream converting apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Oct 25, 2011·6 cites·1 claims
- 1490US5970175AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 19, 1999·66 cites·6 claims
- 1590US5963258AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 5, 1999·67 cites·22 claims
- 1690US5949489AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Sep 7, 1999·67 cites·20 claims
- 1790US5307297AData processor with wireless auxiliary input apparatusSHARP KK·Filed 1992·Granted Apr 26, 1994·194 cites·12 claims
- 1888US9683862B2Internationalization during navigationIBM·Filed 2015·Granted Jun 20, 2017·5 cites·11 claims
- 1986US7826709B2Metadata editing apparatus, metadata reproduction apparatus, metadata delivery apparatus, metadata search apparatus, metadata re-generation condition setting apparatus, metadata delivery method and hint information description methodMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Nov 2, 2010·52 cites·2 claims
- 2086US6775326B2Moving image estimating systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 10, 2004·61 cites·25 claims
- 2185US8612466B2Information processing apparatus, document retrieval system, document retrieval method, and programKIKUCHI HIROAKI·Filed 2009·Granted Dec 17, 2013·15 cites·20 claims
- 2284US6804792B2Computer power management with converter for changing generated power mode commands for external devicesTOSHIBA KK·Filed 2001·Granted Oct 12, 2004·22 cites·15 claims
- 2383US8036279B2Image decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Oct 11, 2011·3 cites·1 claims
- 2483US8005143B2Imaging decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 23, 2011·3 cites·1 claims
- 2582US5406273AData processorSHARP KK·Filed 1994·Granted Apr 11, 1995·44 cites·7 claims
- 2681US10574601B2Managing and displaying online messages along timelinesIBM·Filed 2017·Granted Feb 25, 2020·3 cites·18 claims
- 2780US6442207B1Image coded data re-encoding apparatus without once decoding the original image coded dataMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Aug 27, 2002·46 cites·17 claims
- 2880US6404815B1Image encoder, image decoder, image encoding method, image decoding method and image encoding/decoding systemMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Jun 11, 2002·42 cites·15 claims
- 2979US7110456B2Video encoder, video decoder, video encoding method, video decoding method, and video encoding and decoding systemMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Sep 19, 2006·11 cites·10 claims
- 3078US8194742B2Video decoderSEKIGUCHI SHUNICHI·Filed 2006·Granted Jun 5, 2012·3 cites·1 claims
- 3178US7970217B2Image coding apparatus, image coding method, image decoding apparatus and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Jun 28, 2011·3 cites·2 claims
- 3278US7362907B2Image coding apparatus, image coding method, image decoding apparatus and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Apr 22, 2008·3 cites·38 claims
- 3378US7075989B2Motion compensating apparatus, moving image coding apparatus and methodMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Jul 11, 2006·16 cites·2 claims
- 3478US5497455APortable computer which has a task selection menu allowing easy selection and execution of arbitrary application software without entering a commandTOSHIBA KK·Filed 1993·Granted Mar 5, 1996·91 cites·21 claims
- 3577US8155187B2Image decoding apparatus and methodISU YOSHIMI·Filed 2007·Granted Apr 10, 2012·2 cites·3 claims
- 3677USRE42185EImage retrieval system and image retrieval methodMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Mar 1, 2011·7 cites·28 claims
- 3777US6983014B1Image encoding device and image decoding deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jan 3, 2006·10 cites·19 claims
- 3877US5638127AAdaptive blocking image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jun 10, 1997·21 cites·16 claims
- 3975US6697433B1Image decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Feb 24, 2004·48 cites·14 claims
- 4075US5416523AAdaptive block image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1993·Granted May 16, 1995·19 cites·8 claims
- 4174US9232198B2Moving picture prediction systemSEKIGUCHI SHUNICHI·Filed 2007·Granted Jan 5, 2016·2 cites·8 claims
- 4274US8170105B2Video decoder and video decoding methodSEKIGUCHI SHUNICHI·Filed 2006·Granted May 1, 2012·2 cites·4 claims
- 4374US6246438B1Image coded data re-encoding apparatus without once decoding the original image coded dataMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jun 12, 2001·33 cites·1 claims
- 4474US6222887B1Image coded data re-encoding apparatus without once decoding the original image coded dataMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Apr 24, 2001·33 cites·22 claims
- 4573US7197188B2Image coding apparatus, image coding method, image decoding apparatus and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Mar 27, 2007·2 cites·1 claims
- 4672US9852329B2Calculation of a characteristic of a hotspot in an eventIBM·Filed 2015·Granted Dec 26, 2017·2 cites·18 claims
- 4772US6493035B1Image signal sync detectorMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Dec 10, 2002·10 cites·19 claims
- 4869US8098734B2Video encoder, video decoder, video encoding method, video decoding method, and video encoding and decoding systemSEKIGUCHI SHUNICHI·Filed 2009·Granted Jan 17, 2012·1 cites·1 claims
- 4966US7310628B2Content searching/distributing device and content searching/distributing methodMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 18, 2007·12 cites·15 claims
- 5065US7469009B2Image decoding apparatus, image coding apparatus, image communications system and coded bit stream converting apparatusMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Dec 23, 2008·2 cites·2 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →