Inventor · disambiguated record
Kyoji Shibutani
Also filed as: SHIBUTANI KYOJI
31 granted patents·1 pending application·125 citations·filing 2004–2017
96Inventor score
Top patents by PatentIndex Score
32 records- 0186US8073140B2Encryption/decryption device, encryption/decryption method, and computer programSHIRAI TAIZO·Filed 2007·Granted Dec 6, 2011·14 cites·15 claims
- 0286US8031866B2Cryptographic processing apparatus and cryptographic processing method, and computer programSONY CORP·Filed 2008·Granted Oct 4, 2011·9 cites·44 claims
- 0383US8379843B2Data converter, data conversion method, and computer programSONY CORP·Filed 2009·Granted Feb 19, 2013·12 cites·25 claims
- 0482US8165288B2Cryptographic processing apparatus and cryptographic processing method, and computer programSHIBUTANI KYOJI·Filed 2007·Granted Apr 24, 2012·9 cites·18 claims
- 0581US8666069B2Cryptographic processing apparatus and cryptographic processing method, and computer programSHIRAI TAIZO·Filed 2012·Granted Mar 4, 2014·4 cites·24 claims
- 0681US8306217B2Cryptographic processing apparatus and cryptographic processing method, and computer programSHIRAI TAIZO·Filed 2011·Granted Nov 6, 2012·4 cites·41 claims
- 0780US8369522B2Encryption processing apparatus, encryption method, and computer programSONY CORPOATION·Filed 2007·Granted Feb 5, 2013·9 cites·26 claims
- 0879US8824671B2Data converter, data conversion method, and computer programSONY CORP·Filed 2012·Granted Sep 2, 2014·4 cites·27 claims
- 0978US7433470B2Cryptographic processing apparatus, cryptographic processing method, and computer programSONY CORP·Filed 2004·Granted Oct 7, 2008·16 cites·22 claims
- 1077US9270458B2Encryption processing device, encryption processing method, and programSHIBUTANI KYOJI·Filed 2012·Granted Feb 23, 2016·5 cites·16 claims
- 1177US8787563B2Data converter, data conversion method and programSHIRAI TAIZO·Filed 2009·Granted Jul 22, 2014·7 cites·14 claims
- 1275US8577023B2Encryption processing method, apparatus, and computer program utilizing different types of S-boxesSHIRAI TAIZO·Filed 2007·Granted Nov 5, 2013·5 cites·32 claims
- 1372US8295478B2Cryptographic processing apparatus, algorithm constructing method, processing method, and computer program applying an extended feistel structureSHIRAI TAIZO·Filed 2007·Granted Oct 23, 2012·5 cites·25 claims
- 1469US8737603B2Cryptographic processing apparatus, cryptographic processing method, and computer programSHIRAI TAIZO·Filed 2007·Granted May 27, 2014·4 cites·15 claims
- 1568US9418245B2Encryption processing device, encryption processing method, and programSHIBUTANI KYOJI·Filed 2012·Granted Aug 16, 2016·2 cites·10 claims
- 1667US11153068B2Encryption device, encryption method, decryption device and decryption methodSONY CORP·Filed 2017·Granted Oct 19, 2021·1 cites·14 claims
- 1766US9083507B2Data processing device, data processing method, and programSHIBUTANI KYOJI·Filed 2012·Granted Jul 14, 2015·2 cites·12 claims
- 1862US8396210B2Cryptographic processing apparatus and cryptographic processing method, and computer programSHIBUTANI KYOJI·Filed 2007·Granted Mar 12, 2013·2 cites·10 claims
- 1962US7269529B2Data processing apparatus, program, and method for testing a secured circuit and maintaining confidentiality of the circuitSONY COMPUTER ENTERTAINMENT INC·Filed 2005·Granted Sep 11, 2007·4 cites·6 claims
- 2061US10425226B2Encryption processing device and encryption processing methodSONY CORP·Filed 2015·Granted Sep 24, 2019·1 cites·18 claims
- 2161US8843457B2Data conversion device, data conversion method, and programSONY CORP·Filed 2013·Granted Sep 23, 2014·2 cites·20 claims
- 2259US8787568B2Data transformation apparatus, data transformation method, and computer programSHIBUTANI KYOJI·Filed 2007·Granted Jul 22, 2014·1 cites·8 claims
- 2359US8380683B2Data conversion device, data conversion method, and programSONY CORP·Filed 2009·Granted Feb 19, 2013·1 cites·19 claims
- 2458US9083506B2Cryptographic processing apparatus and cryptographic processing method, and computer programSONY CORP·Filed 2013·Granted Jul 14, 2015·0 cites·16 claims
- 2557US8290148B2Encryption processing apparatus, encryption processing method, and computer programAKISHITA TORU·Filed 2007·Granted Oct 16, 2012·2 cites·14 claims
- 2653US9363074B2Encryption processing apparatus, encryption processing method, and computer programSONY CORP·Filed 2013·Granted Jun 7, 2016·0 cites·15 claims
- 2751US8731188B2Cryptographic processing apparatus and cryptographic processing method, and computer programSHIBUTANI KYOJI·Filed 2012·Granted May 20, 2014·0 cites·20 claims
- 2845US2009010425A1Encryption/decryption device, encryption/decryption device manufacturing device, and method, and computer programSONY CORP·Filed 2007·Application pending·0 cites
- 2943US10341090B2Cipher processing apparatus and cipher processing methodSONY CORP·Filed 2015·Granted Jul 2, 2019·0 cites·16 claims
- 3041US8205075B2Authentication device and methodMORIAI SHIHO·Filed 2005·Granted Jun 19, 2012·0 cites·15 claims
- 3140US8983062B2Encryption processing device, encryption processing method, and programmeSHIBUTANI KYOJI·Filed 2012·Granted Mar 17, 2015·0 cites·15 claims
- 3239US10205589B2Encryption processing device and encryption processing methodSONY CORP·Filed 2015·Granted Feb 12, 2019·0 cites·20 claims
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