Inventor · disambiguated record
Yasufumi Tsumagari
Also filed as: TSUMAGARI YASUFUMI
64 granted patents·165 pending applications·1,376 citations·filing 2000–2025
99Inventor score
Top patents by PatentIndex Score
229 records- 0199US6798976B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2002·Granted Sep 28, 2004·120 cites·4 claims
- 0299US6584277B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2002·Granted Jun 24, 2003·117 cites·8 claims
- 0399US6556774B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2002·Granted Apr 29, 2003·99 cites·8 claims
- 0499US6480669B1Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2000·Granted Nov 12, 2002·160 cites·24 claims
- 0599US6360057B1Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2000·Granted Mar 19, 2002·242 cites·13 claims
- 0698US8208788B2Information storage medium, information reproducing apparatus, and information reproducing methodANDO HIDEO·Filed 2006·Granted Jun 26, 2012·198 cites·2 claims
- 0798US6628892B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2002·Granted Sep 30, 2003·56 cites·8 claims
- 0898US6556773B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2002·Granted Apr 29, 2003·52 cites·8 claims
- 0997US6574421B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2002·Granted Jun 3, 2003·46 cites·8 claims
- 1097US6564008B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2002·Granted May 13, 2003·41 cites·4 claims
- 1196US6996329B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2004·Granted Feb 7, 2006·31 cites·4 claims
- 1296US6944391B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2004·Granted Sep 13, 2005·33 cites·4 claims
- 1395US7925138B2Information storage medium, information reproducing apparatus, and information reproducing methodTOSHIBA KK·Filed 2006·Granted Apr 12, 2011·26 cites·2 claims
- 1495US7054545B2Recording, edit, and playback methods of audio information, and information storage mediumTOSHIBA KK·Filed 2001·Granted May 30, 2006·45 cites·5 claims
- 1592US8601149B2Information processing regarding different transferANDO HIDEO·Filed 2012·Granted Dec 3, 2013·10 cites·11 claims
- 1689US7983526B2Information storage medium, information reproducing apparatus, and information reproducing methodTOSHIBA KK·Filed 2006·Granted Jul 19, 2011·11 cites·2 claims
- 1788US8521000B2Information recording and reproducing method using management information including mapping informationANDO HIDEO·Filed 2006·Granted Aug 27, 2013·4 cites·2 claims
- 1888US2025301052A1Memory system allowing host to easily transmit and receive dataKIOXIA CORP·Filed 2025·Application pending·0 cites
- 1986US7587503B2Content reproduction apparatus, and content reproduction methodTOSHIBA KK·Filed 2006·Granted Sep 8, 2009·7 cites·13 claims
- 2085US9124432B2Host device and authentication method for host deviceNAGAI YUJI·Filed 2012·Granted Sep 1, 2015·7 cites·2 claims
- 2183US12355853B2Memory system allowing host to easily transmit and receive dataKIOXIA CORP·Filed 2023·Granted Jul 8, 2025·0 cites·20 claims
- 2283US7440388B2Information storage medium and information recording apparatus for storing video and audio signals distributed by digital broadcastingTOSHIBA KK·Filed 2006·Granted Oct 21, 2008·3 cites·1 claims
- 2380US8391683B2Information recording medium, information recording method, information playback method, information recording apparatus, and information playback apparatusKIKUCHI SHINICHI·Filed 2006·Granted Mar 5, 2013·3 cites·5 claims
- 2480US8391685B2Information recording medium, information recording method, information playback method, information recording apparatus, and information playback apparatusKIKUCHI SHINICHI·Filed 2006·Granted Mar 5, 2013·3 cites·5 claims
- 2579US10659553B2Memory system allowing host to easily transmit and receive dataTOSHIBA MEMORY CORP·Filed 2017·Granted May 19, 2020·1 cites·10 claims
- 2679US9204477B2Memory device and wireless communication control method of the sameTOSHIBA KK·Filed 2013·Granted Dec 1, 2015·4 cites·20 claims
- 2778US7046585B2Information storage medium and information recording apparatus for storing video and audio signals distributed by digital broadcastingTOSHIBA KK·Filed 2005·Granted May 16, 2006·2 cites·12 claims
- 2877US8959615B2Storage system in which fictitious information is preventedTOSHIBA KK·Filed 2013·Granted Feb 17, 2015·4 cites·1 claims
- 2976US11778066B2Memory system allowing host to easily transmit and receive dataKIOXIA CORP·Filed 2022·Granted Oct 3, 2023·0 cites·12 claims
- 3076US9501399B2Memory system capable of controlling wireless communication functionTOSHIBA KK·Filed 2013·Granted Nov 22, 2016·2 cites·15 claims
- 3176US8391684B2Information recording medium, information recording method, information playback method, information recording apparatus, and information playback apparatusKIKUCHI SHINICHI·Filed 2006·Granted Mar 5, 2013·2 cites·5 claims
- 3276US7003214B2Recording, edit, and playback methods of audio information, and information storage mediumTOSHIBA KK·Filed 2001·Granted Feb 21, 2006·9 cites·5 claims
- 3375US9712636B2Memory system allowing host to easily transmit and receive dataTOSHIBA KK·Filed 2015·Granted Jul 18, 2017·1 cites·21 claims
- 3473US11836075B2Controlling method of a memory cardKIOXIA CORP·Filed 2022·Granted Dec 5, 2023·0 cites·16 claims
- 3573US7126887B2Information storage medium and information recording apparatus for storing video and audio signals distributed by digital broadcastingTOSHIBA KK·Filed 2005·Granted Oct 24, 2006·2 cites·15 claims
- 3672US7043143B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2004·Granted May 9, 2006·3 cites·4 claims
- 3772US2025028634A1Controlling method of a memory cardKIOXIA CORP·Filed 2024·Application pending·0 cites
- 3871US12135641B2Controlling method of a memory cardKIOXIA CORP·Filed 2023·Granted Nov 5, 2024·0 cites·16 claims
- 3971US11343345B2Memory system allowing host to easily transmit and receive dataKIOXIA CORP·Filed 2020·Granted May 24, 2022·0 cites·10 claims
- 4071US7616863B2Information storage medium, information reproduction device, information reproduction methodTOSHIBA KK·Filed 2004·Granted Nov 10, 2009·7 cites·3 claims
- 4169US8732470B2Storage system in which fictitious information is preventedNAGAI YUJI·Filed 2012·Granted May 20, 2014·2 cites·7 claims
- 4268US7200325B2Digital video recording/playback system with entry point processing functionTOSHIBA KK·Filed 2004·Granted Apr 3, 2007·2 cites·4 claims
- 4368US2007094586A1Information playback system using information storage mediumANDO HIDEO·Filed 2006·Application pending·0 cites
- 4468US2007094587A1Information playback system using information storage mediumANDO HIDEO·Filed 2006·Application pending·0 cites
- 4568US2007086741A1Information playback system using information storage mediumANDO HIDEO·Filed 2006·Application pending·0 cites
- 4668US2007092209A1Information playback system using information storage mediumANDO HIDEO·Filed 2006·Application pending·0 cites
- 4768US2007094585A1Information playback system using information storage mediumANDO HIDEO·Filed 2006·Application pending·0 cites
- 4868US2007085141A1Information playback system using information storage mediumANDO HIDEO·Filed 2006·Application pending·0 cites
- 4968US2013282794A1Information playback system using information storage mediumTOSHIBA KK·Filed 2013·Application pending·0 cites
- 5068US2007079001A1Information playback system using information storage mediumANDO HIDEO·Filed 2006·Application pending·0 cites
Showing the top 50 of 229 patent records by PatentIndex Score.
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