Assignee
NAGAI YUJI
JP·24 granted patents·8 pending applications·73 citations·filing 2011–2012
Top patents by PatentIndex Score
32 records- 0189US8976586B2Semiconductor memory device for pseudo-random number generationNAGAI YUJI·Filed 2012·Granted Mar 10, 2015·12 cites·20 claims
- 0285US9124432B2Host device and authentication method for host deviceNAGAI YUJI·Filed 2012·Granted Sep 1, 2015·7 cites·2 claims
- 0385US8812843B2Device and authentication method thereforNAGAI YUJI·Filed 2012·Granted Aug 19, 2014·7 cites·1 claims
- 0484US8995657B2Device and method for certifying one's own authenticityNAGAI YUJI·Filed 2012·Granted Mar 31, 2015·7 cites·2 claims
- 0582US8634557B2Semiconductor storage deviceNAGAI YUJI·Filed 2012·Granted Jan 21, 2014·5 cites·2 claims
- 0681US8732466B2Semiconductor memory deviceNAGAI YUJI·Filed 2012·Granted May 20, 2014·6 cites·16 claims
- 0778US8761389B2MemoryNAGAI YUJI·Filed 2012·Granted Jun 24, 2014·4 cites·6 claims
- 0878US8726024B2Authentication methodNAGAI YUJI·Filed 2012·Granted May 13, 2014·4 cites·1 claims
- 0978US8650398B2Device authentication using restricted memoryNAGAI YUJI·Filed 2012·Granted Feb 11, 2014·4 cites·2 claims
- 1071US9166783B2Protection method, decryption method, player, storage medium, and encryption apparatus of digital contentNAGAI YUJI·Filed 2011·Granted Oct 20, 2015·3 cites·25 claims
- 1170US8762717B2Authentication deviceNAGAI YUJI·Filed 2012·Granted Jun 24, 2014·2 cites·1 claims
- 1270US8751814B2DeviceNAGAI YUJI·Filed 2012·Granted Jun 10, 2014·2 cites·2 claims
- 1369US8732470B2Storage system in which fictitious information is preventedNAGAI YUJI·Filed 2012·Granted May 20, 2014·2 cites·7 claims
- 1467US9544138B2Authenticator, authenticatee and authentication methodNAGAI YUJI·Filed 2012·Granted Jan 10, 2017·2 cites·12 claims
- 1567US9191210B2Authenticator, authenticatee and authentication methodNAGAI YUJI·Filed 2011·Granted Nov 17, 2015·2 cites·14 claims
- 1665US8627455B1Manufacturing method of a memory device to be authenticatedNAGAI YUJI·Filed 2012·Granted Jan 7, 2014·1 cites·2 claims
- 1761US8989374B2Cryptographic device for secure authenticationNAGAI YUJI·Filed 2012·Granted Mar 24, 2015·1 cites·1 claims
- 1861US8949621B2Memory device authenticationNAGAI YUJI·Filed 2012·Granted Feb 3, 2015·1 cites·1 claims
- 1961US8938616B2Authentication methodNAGAI YUJI·Filed 2012·Granted Jan 20, 2015·1 cites·1 claims
- 2050US8855297B2Device and authentication method thereforNAGAI YUJI·Filed 2012·Granted Oct 7, 2014·0 cites·23 claims
- 2150US2015074421A1Security systemNAGAI YUJI·Filed 2012·Application pending·0 cites
- 2249US2013336478A1Authentication methodNAGAI YUJI·Filed 2012·Application pending·0 cites
- 2348US8874917B2Storage system in which fictitious information is preventedNAGAI YUJI·Filed 2012·Granted Oct 28, 2014·0 cites·9 claims
- 2444US8898463B2DeviceNAGAI YUJI·Filed 2012·Granted Nov 25, 2014·0 cites·1 claims
- 2544US2014032865A1Storage system in which information is preventedNAGAI YUJI·Filed 2012·Application pending·0 cites
- 2644US2014032866A1Storage system in which information is preventedNAGAI YUJI·Filed 2012·Application pending·0 cites
- 2744US2014032867A1Storage system in which information is preventedNAGAI YUJI·Filed 2012·Application pending·0 cites
- 2843US2014006738A1Method of authenticating a memory device by a host deviceNAGAI YUJI·Filed 2012·Application pending·0 cites
- 2941US9160534B2Authenticator, authenticatee and authentication methodNAGAI YUJI·Filed 2011·Granted Oct 13, 2015·0 cites·13 claims
- 3041US9049026B2Authenticator, authenticatee and authentication methodNAGAI YUJI·Filed 2011·Granted Jun 2, 2015·0 cites·15 claims
- 3141US2015074406A1Memory device and memory systemNAGAI YUJI·Filed 2012·Application pending·0 cites
- 3241US2013336475A1DeviceNAGAI YUJI·Filed 2012·Application pending·0 cites
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