Inventor · disambiguated record
Kohtaro Asai
Also filed as: ASAI KOHTARO
153 granted patents·30 pending applications·5,435 citations·filing 1983–2022
99Inventor score
Files withMITSUBISHI ELECTRIC CORP130SEKIGUCHI SHUNICHI26YAMADA YOSHIHISA4MORIYA YOSHIMI3FUKUHARA TAKAHIRO2
Top patents by PatentIndex Score
183 records- 0199US7408488B2Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 5, 2008·52 cites·2 claims
- 0299US6611628B1Method of image feature coding and method of image searchMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Aug 26, 2003·260 cites·7 claims
- 0398US8345968B2Image encoding device, image decoding device, image encoding method and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jan 1, 2013·54 cites·2 claims
- 0498US7321323B2Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding methodMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Jan 22, 2008·39 cites·9 claims
- 0598US7302117B2Method of image feature coding and method of image searchMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Nov 27, 2007·144 cites·2 claims
- 0698US7095344B2Digital signal encoding device, digital signal decoding device, digital signal arithmetic encoding method and digital signal arithmetic decoding methodMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Aug 22, 2006·67 cites·6 claims
- 0798US7013051B2Method of image feature coding and method of image searchMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Mar 14, 2006·150 cites·14 claims
- 0898US6018366AVideo coding and decoding system and methodMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 25, 2000·464 cites·18 claims
- 0998US4670851AVector quantizerMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Jun 2, 1987·185 cites·7 claims
- 1097US6307973B2Image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 23, 2001·76 cites·5 claims
- 1197US4954892ABuffer controlled picture signal encoding and decoding systemMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Sep 4, 1990·173 cites·2 claims
- 1296US8369404B2Moving image decoding device and moving image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Feb 5, 2013·34 cites·2 claims
- 1396US7991237B2Image encoding device, image decoding device, image encoding method and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 2, 2011·33 cites·2 claims
- 1496US7518537B2Decoding apparatus and decoding methodMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Apr 14, 2009·16 cites·2 claims
- 1596US6798834B1Image coding apparatus with segment classification and segmentation-type motion prediction circuitMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 28, 2004·175 cites·2 claims
- 1695US8604950B2Digital signal coding method and apparatus, digital signal arithmetic coding method and apparatusSEKIGUCHI SHUNICHI·Filed 2011·Granted Dec 10, 2013·10 cites·3 claims
- 1795US8467450B2Moving image coding apparatus and moving image decoding apparatusMORIYA YOSHIMI·Filed 2006·Granted Jun 18, 2013·17 cites·1 claims
- 1895US8422803B2Image encoding device, image decoding device, image encoding method and image decoding methodSEKIGUCHI SHUNICHI·Filed 2007·Granted Apr 16, 2013·23 cites·2 claims
- 1995US7928869B2Digital signal coding method and apparatus, digital signal decoding apparatus, ditigal signal arithmetic coding method and digital signal arithmetic decoding methodMITSUBISHI ELECTRIC CORP·Filed 2010·Granted Apr 19, 2011·12 cites·2 claims
- 2095US7031965B1Image retrieving and delivering system and image retrieving and delivering methodMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Apr 18, 2006·136 cites·22 claims
- 2195US6862320B1Image decoder, image encoder, image communication system, and encoded bit stream converterMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Mar 1, 2005·119 cites·10 claims
- 2295US6381275B1Image coding apparatus and image decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Apr 30, 2002·174 cites·20 claims
- 2395US6097759AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Aug 1, 2000·120 cites·10 claims
- 2495US6002439AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Dec 14, 1999·115 cites·26 claims
- 2595US5010401APicture coding and decoding apparatus using vector quantizationMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 23, 1991·203 cites·8 claims
- 2694US8054889B2Image decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Nov 8, 2011·11 cites·1 claims
- 2794US6188794B1Image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Feb 13, 2001·101 cites·5 claims
- 2894US4560977AVector quantizerMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Dec 24, 1985·86 cites·3 claims
- 2993US8139875B2Image encoding device, image decoding device, image encoding method and image decoding methodSEKIGUCHI SHUNICHI·Filed 2007·Granted Mar 20, 2012·15 cites·2 claims
- 3093US7388526B2Digital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jun 17, 2008·16 cites·2 claims
- 3193US6665442B2Image retrieval system and image retrieval methodMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 16, 2003·78 cites·22 claims
- 3293US5990960AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Nov 23, 1999·95 cites·10 claims
- 3393US5274442AAdaptive blocking image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Dec 28, 1993·82 cites·5 claims
- 3492US10469839B2Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizesMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Nov 5, 2019·4 cites·5 claims
- 3592US9591308B2Moving image coding apparatus and moving image decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Mar 7, 2017·5 cites·3 claims
- 3692US8094049B2Digital signal coding method and apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding methodSEKIGUCHI SHUNICHI·Filed 2011·Granted Jan 10, 2012·6 cites·2 claims
- 3792US7630442B2Packet generating method, video decoding method, media multiplexer, media demultiplexer, multimedia communication system and bit stream converterMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Dec 8, 2009·17 cites·6 claims
- 3892US6493385B1Image encoding method, image encoder, image decoding method, and image decoderMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Dec 10, 2002·150 cites·10 claims
- 3992US6385343B1Image decoding device and image encoding deviceMITSUBISHI ELECTRIC CORP·Filed 2000·Granted May 7, 2002·58 cites·37 claims
- 4091US5926225AImage coder which includes both a short-term frame memory and long-term frame memory in the local decoding loopMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Jul 20, 1999·145 cites·28 claims
- 4190US8718139B2Image decoding device and image decoding methodYAMADA YOSHIHISA·Filed 2007·Granted May 6, 2014·14 cites·2 claims
- 4290US8188895B2Digital signal coding method and apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding methodSEKIGUCHI SHUNICHI·Filed 2011·Granted May 29, 2012·5 cites·2 claims
- 4390US8165392B2Image decoder and image decoding method for decoding color image signal, and image decoding method for performing decoding processingSEKIGUCHI SHUNICHI·Filed 2007·Granted Apr 24, 2012·12 cites·4 claims
- 4490US8045624B2Video bit stream converting apparatusMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Oct 25, 2011·6 cites·1 claims
- 4590US7859438B2Digital signal coding method and apparatus, digital signal decoding apparatus; digital signal arithmetic coding method, and digital signal arithmetic decoding methodMITSUBIHSI DENKI KABUSHIKI KAISHA·Filed 2009·Granted Dec 28, 2010·10 cites·2 claims
- 4690USRE41729EDigital signal coding apparatus, digital signal decoding apparatus, digital signal arithmetic coding method and digital signal arithmetic decoding methodMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Sep 21, 2010·6 cites·11 claims
- 4790US6665345B1Moving picture decoding device and moving picture decoding methodMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Dec 16, 2003·44 cites·20 claims
- 4890US5970175AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 19, 1999·66 cites·6 claims
- 4990US5963258AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 5, 1999·67 cites·22 claims
- 5090US5949489AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Sep 7, 1999·67 cites·20 claims
Showing the top 50 of 183 patent records by PatentIndex Score.
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