Inventor · disambiguated record
Chiyoko Matsumi
Also filed as: MATSUMI CHIYOKO · YOSHIDA JUNJI
50 granted patents·4 pending applications·1,631 citations·filing 1990–2012
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD42MICROSOFT CORP4LACHAPELLE KEVIN LEIGH2MERCER IAN CAMERON2MATSUMI CHIYOKO1
Top patents by PatentIndex Score
54 records- 0198US7054888B2Optimizing media player memory during renderingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 30, 2006·401 cites·52 claims
- 0298US7043477B2Navigating media content via groups within a playlistMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 9, 2006·316 cites·41 claims
- 0397US7680814B2Navigating media content by groupsMICROSOFT CORP·Filed 2006·Granted Mar 16, 2010·85 cites·12 claims
- 0497US7647297B2Optimizing media player memory during renderingMICROSOFT CORP·Filed 2006·Granted Jan 12, 2010·50 cites·19 claims
- 0591US7991803B2Navigating media content by groupsMICROSOFT CORP·Filed 2010·Granted Aug 2, 2011·22 cites·11 claims
- 0690US7136874B2Adaptive menu system for media playersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 14, 2006·78 cites·16 claims
- 0788US5323244ARecording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jun 21, 1994·85 cites·19 claims
- 0885US7590659B2Adaptive menu system for media playersMICROSOFT CORP·Filed 2006·Granted Sep 15, 2009·22 cites·11 claims
- 0982US7194548B1Data transmission apparatus, receiving apparatus, and sending apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 20, 2007·16 cites·39 claims
- 1081US8886685B2Navigating media content by groupsMERCER IAN CAMERON·Filed 2012·Granted Nov 11, 2014·4 cites·20 claims
- 1181US6115537ADigital signal recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 5, 2000·82 cites·35 claims
- 1279US6424478B2Apparatus for recording and reproducing digital data and method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 23, 2002·12 cites·16 claims
- 1379US5959796AMethod of transmitting digital video and audio signals between bit rate reduction encoded signal recording and reproducing systemsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Sep 28, 1999·31 cites·7 claims
- 1478US7366733B2Method and apparatus for reproducing play lists in record mediaMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 29, 2008·13 cites·15 claims
- 1574US6147823AMethod for recording digital data including a data conversion or format conversion, and apparatus using the methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 14, 2000·20 cites·32 claims
- 1671US8280920B2Navigating media content by groupsMERCER IAN CAMERON·Filed 2011·Granted Oct 2, 2012·4 cites·16 claims
- 1771US6937599B1Data source, data conversion device, inverse data conversion device, auxiliary data file generation device, reception method, medium and information aggregateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 30, 2005·15 cites·11 claims
- 1869US5479299AMethod of transmitting digital video and audio signals between bit rate reduction encoded signal recording and reproducing systemsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 26, 1995·32 cites·38 claims
- 1969US5394275AApparatus for selectively recording and reproducing two video signals having different amounts of data in each frameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Feb 28, 1995·29 cites·2 claims
- 2068US6362928B2Apparatus for recording and reproducing digital data and method for the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 26, 2002·6 cites·12 claims
- 2168US5655050AApparatus and method for recording and reproducing digital signal in synchronization blocksMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 5, 1997·21 cites·10 claims
- 2268US5617263AMethod of and apparatus for recording data suitable for a digital recording in a multiplexed fashionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 1, 1997·23 cites·8 claims
- 2368US5278706ADigital video signal recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jan 11, 1994·17 cites·4 claims
- 2465US5856890ADigital data recording and reproducing apparatus with reliable error correcting coding and decodingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 5, 1999·16 cites·27 claims
- 2565US5621578AMethod of transmitting digital video and audio signals between bit rate reduction encoded signal recording and reproducing systemsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Apr 15, 1997·16 cites·6 claims
- 2664US8935242B2Optimizing media player memory during renderingLACHAPELLE KEVIN LEIGH·Filed 2010·Granted Jan 13, 2015·1 cites·20 claims
- 2764US6711343B1Data recording/reproducing device, file managing method, file information generating method, file managing method, management information generating device, management information analyzing device, and mediumMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 23, 2004·32 cites·5 claims
- 2863US2010085655A1Recording/reproducing system, recording/reproduction method, program, and recording mediumPANASONIC CORP·Filed 2009·Application pending·0 cites
- 2961US5446597AApparatus for recording digital signals with associated auxiliary dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Aug 29, 1995·13 cites·7 claims
- 3059US5416600AConcealing method of video signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted May 16, 1995·18 cites·12 claims
- 3159US5193010ADigital video signal recording and reproducing apparatus having an error concealment control functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 9, 1993·19 cites·30 claims
- 3257US7246180B1Connection-confirmable information processing system, connection-confirmable information processing apparatus, information processing method by which connection is conformable, recorder, recording system, recording method, method for recognizing correspondence between node and terminal, computer, terminal, and program recorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jul 17, 2007·12 cites·26 claims
- 3356US5257141AMethod of recording a digital video signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 26, 1993·15 cites·7 claims
- 3454US6507819B1Sound signal processor for extracting sound signals from a composite digital sound signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 14, 2003·1 cites·12 claims
- 3553US6508596B1Apparatus using a method for recording digital data including a data conversion or format conversion, and apparatus using the methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 21, 2003·5 cites·2 claims
- 3651US5440706AData shuffling apparatus possessing reduced memoryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 8, 1995·13 cites·22 claims
- 3750US5311372AMethod of recording digital signals in an interleaving array form with enhanced error interpolationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted May 10, 1994·11 cites·19 claims
- 3849US5638227ADigital data recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 10, 1997·6 cites·10 claims
- 3948US8738615B2Optimizing media player memory during renderingLACHAPELLE KEVIN LEIGH·Filed 2010·Granted May 27, 2014·0 cites·20 claims
- 4047US2005111820A1Recording/replaying system, recording/replaying method, program and recording mediumFiled 2004·Application pending·0 cites
- 4146US6038094ADigital data recording device having a rotary cylinderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 14, 2000·9 cites·4 claims
- 4246US5317457ADigital signal recording methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted May 31, 1994·6 cites·12 claims
- 4345US7068913B1Data processing system, recording/reproducing device, data processing method and file management methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jun 27, 2006·6 cites·79 claims
- 4444US6031959ATelevision signal recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 29, 2000·10 cites·26 claims
- 4544US5486930AApparatus for recording and reproducing a video signal using a digital video cassette recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 23, 1996·9 cites·8 claims
- 4643US5787221ADigital signal recording apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 28, 1998·7 cites·3 claims
- 4740US5594550ADigital signal recording apparatus for recording digital data comprising a plurality of recording blocksMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 14, 1997·6 cites·16 claims
- 4839US2004215873A1Recording and reproducing system, recording apparatus, reproducing apparatus, record medium, recording and reproducing method, recording method, reproducing method, program and record mediumMATSUMI CHIYOKO·Filed 2003·Application pending·0 cites
- 4939US2005111831A1Recording and reproducing system, recording and reproducing method, program and record mediumFiled 2003·Application pending·0 cites
- 5037US6295406B1Digital signal recording apparatus for sampling and compressing signals according to various recording modesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 25, 2001·4 cites·7 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Chiyoko Matsumi 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 →