Inventor · disambiguated record
Tokumichi Murakami
Also filed as: MURAKAMI TOKUMICHI
152 granted patents·31 pending applications·7,043 citations·filing 1983–2023
99Inventor score
Files withMITSUBISHI ELECTRIC CORP145SEKIGUCHI SHUNICHI17FUKUHARA TAKAHIRO2ITANI YUSUKE2MORIYA YOSHIMI2
Top patents by PatentIndex Score
183 records- 0199US5194950AVector quantizerMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Mar 16, 1993·291 cites·17 claims
- 0298US11575906B2Image coding device, image decoding device, image coding method, and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Feb 7, 2023·6 cites·5 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
- 0498US6018366AVideo coding and decoding system and methodMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Jan 25, 2000·464 cites·18 claims
- 0598USRE34562EAmplitude-adaptive vector quantization systemMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Mar 15, 1994·227 cites·5 claims
- 0698US4878230AAmplitude-adaptive vector quantization systemMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Oct 31, 1989·260 cites·4 claims
- 0798US4670851AVector quantizerMITSUBISHI ELECTRIC CORP·Filed 1984·Granted Jun 2, 1987·185 cites·7 claims
- 0897US6307973B2Image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 23, 2001·76 cites·5 claims
- 0997US5291286AMultimedia data transmission systemMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Mar 1, 1994·270 cites·3 claims
- 1097US4954892ABuffer controlled picture signal encoding and decoding systemMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Sep 4, 1990·173 cites·2 claims
- 1196US8509551B2Image encoder and image decoder, image encoding method and image decoding method, image encoding program and image decoding program, and computer readable recording medium recording with image encoding program and computer readable recording medium recorded with image decoding programMORIYA YOSHIMI·Filed 2007·Granted Aug 13, 2013·72 cites·2 claims
- 1296US8488889B2Image encoder and image decoder, image encoding method and image decoding method, image encoding program and image decoding program, and computer readable recording medium recorded with image encoding program and computer readable recording medium recorded with image decoding programMORIYA YOSHIMI·Filed 2007·Granted Jul 16, 2013·68 cites·2 claims
- 1396US8369404B2Moving image decoding device and moving image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Feb 5, 2013·34 cites·2 claims
- 1496US7991237B2Image encoding device, image decoding device, image encoding method and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 2, 2011·33 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
- 1695US9210426B2Image coding device, image decoding device, image coding method, and image decoding methodSEKIGUCHI SHUNICHI·Filed 2012·Granted Dec 8, 2015·17 cites·2 claims
- 1795US8422803B2Image encoding device, image decoding device, image encoding method and image decoding methodSEKIGUCHI SHUNICHI·Filed 2007·Granted Apr 16, 2013·23 cites·2 claims
- 1895US6381275B1Image coding apparatus and image decoding apparatusMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Apr 30, 2002·174 cites·20 claims
- 1995US6097759AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Aug 1, 2000·120 cites·10 claims
- 2095US6002439AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Dec 14, 1999·115 cites·26 claims
- 2195US5010401APicture coding and decoding apparatus using vector quantizationMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 23, 1991·203 cites·8 claims
- 2294US10863180B2Image coding device, image decoding device, image coding method, and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Dec 8, 2020·5 cites·5 claims
- 2394US6188794B1Image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Feb 13, 2001·101 cites·5 claims
- 2494US4560977AVector quantizerMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Dec 24, 1985·86 cites·3 claims
- 2593US8139875B2Image encoding device, image decoding device, image encoding method and image decoding methodSEKIGUCHI SHUNICHI·Filed 2007·Granted Mar 20, 2012·15 cites·2 claims
- 2693US5990960AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Nov 23, 1999·95 cites·10 claims
- 2793US5274442AAdaptive blocking image signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Dec 28, 1993·82 cites·5 claims
- 2893US5161247ADigital signal processor matching data blocks against a reference block and replacing the reference block when a new minimum distortion block is calculatedMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Nov 3, 1992·85 cites·4 claims
- 2992US10469839B2Moving 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
- 3092US6590615B2Digital video receiving apparatusMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jul 8, 2003·48 cites·12 claims
- 3192US5442799ADigital signal processor with high speed multiplier means for double data inputMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Aug 15, 1995·87 cites·13 claims
- 3292US5086488ATransform coding apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 4, 1992·125 cites·10 claims
- 3391US9906795B2Image coding device, image decoding device, image coding method, and image decoding methodMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Feb 27, 2018·4 cites·5 claims
- 3491US5671226AMultimedia information processing systemMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Sep 23, 1997·151 cites·23 claims
- 3590US8718139B2Image decoding device and image decoding methodYAMADA YOSHIHISA·Filed 2007·Granted May 6, 2014·14 cites·2 claims
- 3690US8165392B2Image 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
- 3790US6469745B1Image signal processor for detecting duplicate fieldsMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 22, 2002·133 cites·40 claims
- 3890US5970175AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 19, 1999·66 cites·6 claims
- 3990US5963258AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Oct 5, 1999·67 cites·22 claims
- 4090US5949489AImage signal coding systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Sep 7, 1999·67 cites·20 claims
- 4190US5642365ATransmitter for encoding error correction codes and a receiver for decoding error correction codes on a transmission frameMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Jun 24, 1997·180 cites·53 claims
- 4289US10412385B2Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizesMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Sep 10, 2019·3 cites·5 claims
- 4388US5831688AImage coded data re-encoding apparatusMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Nov 3, 1998·106 cites·43 claims
- 4488US5130797ADigital signal processing system for parallel processing of subsampled dataMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jul 14, 1992·77 cites·3 claims
- 4587US5025482AImage transformation coding device with adaptive quantization characteristic selectionMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jun 18, 1991·90 cites·4 claims
- 4687US4933761AImage coding and decoding deviceMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jun 12, 1990·53 cites·28 claims
- 4787US4558350AVector quantizerMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Dec 10, 1985·43 cites·7 claims
- 4886US10554970B2Moving image encoding device and moving image decoding device based on adaptive switching among transformation block sizesMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Feb 4, 2020·2 cites·5 claims
- 4986US8295350B2Image coding apparatus with segment classification and segmentation-type motion prediction circuitMURAKAMI TOKUMICHI·Filed 2010·Granted Oct 23, 2012·7 cites·2 claims
- 5086US6775326B2Moving image estimating systemMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Aug 10, 2004·61 cites·25 claims
Showing the top 50 of 183 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Tokumichi Murakami files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →