Inventor · disambiguated record
Katsumi Muramatsu
Also filed as: MURAMATSU KATSUMI
31 granted patents·11 pending applications·265 citations·filing 1990–2014
96Inventor score
Top patents by PatentIndex Score
42 records- 0197US7661000B2Information processing device, information recording medium and information processing method, and computer programSONY CORP·Filed 2005·Granted Feb 9, 2010·66 cites·34 claims
- 0295US7917964B2Method and apparatus for processing information, method and apparatus for manufacturing information recording medium, information recording medium, and computer programSONY CORP·Filed 2005·Granted Mar 29, 2011·25 cites·13 claims
- 0387US5062027AAutomobile signal lampKOITO MFG CO LTD·Filed 1990·Granted Oct 29, 1991·61 cites·10 claims
- 0485US7826620B2Information processor, information processing method, and computer programSONY CORP·Filed 2006·Granted Nov 2, 2010·6 cites·10 claims
- 0585US7746738B2Data processing method, information recording medium manufacturing management system, recording data generation apparatus and method, and computer programSONY CORP·Filed 2005·Granted Jun 29, 2010·6 cites·9 claims
- 0679US7395429B2Mutual authentication method, program, recording medium, signal processing system, reproduction device, and information processing deviceSONY CORP·Filed 2003·Granted Jul 1, 2008·30 cites·27 claims
- 0778US9037867B2Information processing apparatus, information storage medium, content management system, data processing method, and computer programSONY CORP·Filed 2013·Granted May 19, 2015·3 cites·22 claims
- 0878US8929540B2Information processing apparatus, information recording medium manufacturing apparatus, information recording medium, method, and computer programTAKASHIMA YOSHIKAZU·Filed 2006·Granted Jan 6, 2015·5 cites·16 claims
- 0978US7885512B2Information processing apparatus, information processing method, information recording medium, and computer programSONY CORP·Filed 2006·Granted Feb 8, 2011·5 cites·22 claims
- 1078US7421742B2Signal processing system, recording method, program, recording medium, reproduction device and information processing deviceSONY CORP·Filed 2003·Granted Sep 2, 2008·13 cites·13 claims
- 1177US8010806B2Information processing apparatus and method, information recording medium, and computer programSONY CORP·Filed 2005·Granted Aug 30, 2011·3 cites·10 claims
- 1275US8645710B2Information processing apparatus, information storage medium, content management system, data processing method, and computer programUEDA KENJIRO·Filed 2005·Granted Feb 4, 2014·2 cites·22 claims
- 1373US8281156B2Information processing device, information recording medium, information processing method, and computer programTAKASHIMA YOSHIKAZU·Filed 2006·Granted Oct 2, 2012·2 cites·8 claims
- 1473US8225088B2Information processing apparatus, disc, information processing method, and programUEDA KENJIRO·Filed 2008·Granted Jul 17, 2012·2 cites·12 claims
- 1571US8151357B2Information processing apparatus, information recording medium manufacturing method, and computer programUEDA KENJIRO·Filed 2006·Granted Apr 3, 2012·3 cites·6 claims
- 1670US9684772B2Information processing apparatus, information processing method and programKUNO HIROSHI·Filed 2012·Granted Jun 20, 2017·2 cites·8 claims
- 1769US8261096B2Information processing apparatus, information recording medium, information processing method, and computer programTAKASHIMA YOSHIKAZU·Filed 2004·Granted Sep 4, 2012·9 cites·43 claims
- 1869US8042188B2Information processing apparatus, information recording medium manufacturing apparatus, information recording medium, method and computer programSONY CORP·Filed 2006·Granted Oct 18, 2011·2 cites·27 claims
- 1969US7248786B2Video signal processing apparatus, video signal playback apparatus, and video signal recording apparatusSONY CORP·Filed 2002·Granted Jul 24, 2007·8 cites·40 claims
- 2068US8285117B2Information processing apparatus, disk, information processing method, and programUEDA KENJIRO·Filed 2009·Granted Oct 9, 2012·1 cites·9 claims
- 2164US8893307B2Information processing system and method for providing authorized contentKUNO HIROSHI·Filed 2012·Granted Nov 18, 2014·1 cites·23 claims
- 2264US8281362B2Verification method, verification program, recording medium, information processor, and integrated circuitNAGATA MINEHISA·Filed 2006·Granted Oct 2, 2012·5 cites·20 claims
- 2362US9805173B2Information processing device, information storage device, server, information processing system, information processing method and medium for reproduction of encrypted contentSONY CORP·Filed 2013·Granted Oct 31, 2017·1 cites·12 claims
- 2462US8868904B2Information processing device, disc, information processing method, and programUEDA KENJIRO·Filed 2009·Granted Oct 21, 2014·2 cites·17 claims
- 2555US8474049B2Verification method, information processing device, recording medium, verification system, certification program, and verification programONODA SENICHI·Filed 2006·Granted Jun 25, 2013·1 cites·7 claims
- 2655US2014177904A1Recording medium and producing method thereof, reproducing method and reproducing apparatus, and copyright managing methodSONY PICTURES ENTERTAINMENT·Filed 2014·Application pending·0 cites
- 2753US8510852B2Information processing apparatus, information recording medium manufacturing apparatus, information recording medium, method, and computer programTAKASHIMA YOSHIKAZU·Filed 2011·Granted Aug 13, 2013·0 cites·27 claims
- 2851US7694327B2Information processing apparatus, information recording medium, information processing method and computer programSONY CORP·Filed 2004·Granted Apr 6, 2010·1 cites·23 claims
- 2949US9363089B2Information processing apparatus, information storage apparatus, information processing system, and information processing method and program for controlling content useSONY CORP·Filed 2013·Granted Jun 7, 2016·0 cites·20 claims
- 3045US2008069354A1Information Processing Device, Information Processing Method, and Computer ProgramSONY CORP·Filed 2005·Application pending·0 cites
- 3145US2006062073A1Recording medium and producing method thereof, reproducing method and reproducing apparatus, and copyright managing methodSONY PICTURES ENTERTAINMENT·Filed 2004·Application pending·0 cites
- 3243US9053739B2Information processing apparatus, information processing method and programKUNO HIROSHI·Filed 2012·Granted Jun 9, 2015·0 cites·13 claims
- 3343US8862903B2Information processing apparatus, information processing method and programKUNO HIROSHI·Filed 2012·Granted Oct 14, 2014·0 cites·16 claims
- 3443US2005144470A1Method and apparatus for processing information, information storage medium, and computer programFiled 2004·Application pending·0 cites
- 3542US10515021B2Information processing to set usage permission in contentSONY CORP·Filed 2012·Granted Dec 24, 2019·0 cites·16 claims
- 3642US2013120713A1Projection apparatusSONY CORP·Filed 2012·Application pending·0 cites
- 3742US2006150251A1Information recording medium, data processing method, and computer programSONY CORP·Filed 2004·Application pending·0 cites
- 3842US2005066167A1Information recording medium manufacturing control system, information processing apparatus and method, and computer program thereofFiled 2004·Application pending·0 cites
- 3940US2005244001A1Information recording medium drive deviceKITANI SATOSHI·Filed 2004·Application pending·0 cites
- 4040US2003051151A1Information processing apparatus, information processing method and programSONY CORP·Filed 2002·Application pending·0 cites
- 4139US2005238324A1Recording medium and production method, playback method, and playback device thereofKITANI SATOSHI·Filed 2004·Application pending·0 cites
- 4237US2010246355A1Information processing apparatus, information processing method, and programSONY CORP·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →