Inventor
SHIBUTANI KYOJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “SHIBUTANI KYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
12 patentsUS7433470B2Oct 7, 2008
Cryptographic processing apparatus, cryptographic processing method, and computer program
SONY CORP16 citations92
US8031866B2Oct 4, 2011
Cryptographic processing apparatus and cryptographic processing method, and computer program
SONY CORP9 citations84
US8379843B2Feb 19, 2013
Data converter, data conversion method, and computer program
SONY CORP12 citations81
US8824671B2Sep 2, 2014
Data converter, data conversion method, and computer program
SONY CORP4 citations73
US8843457B2Sep 23, 2014
Data conversion device, data conversion method, and program
SONY CORP2 citations63
US11153068B2Oct 19, 2021
Encryption device, encryption method, decryption device and decryption method
SONY CORP1 citations61
US10425226B2Sep 24, 2019
Encryption processing device and encryption processing method
SONY CORP1 citations61
US9363074B2Jun 7, 2016
Encryption processing apparatus, encryption processing method, and computer program
SONY CORP0 citations52
US9083506B2Jul 14, 2015
Cryptographic processing apparatus and cryptographic processing method, and computer program
SONY CORP0 citations52
US8380683B2Feb 19, 2013
Data conversion device, data conversion method, and program
SONY CORP1 citations52
US10341090B2Jul 2, 2019
Cipher processing apparatus and cipher processing method
SONY CORP0 citations40
US10205589B2Feb 12, 2019
Encryption processing device and encryption processing method
SONY CORP0 citations40
SHIBUTANI KYOJI
8 patentsUS8165288B2Apr 24, 2012
Cryptographic processing apparatus and cryptographic processing method, and computer program
SHIBUTANI KYOJI9 citations83
US9270458B2Feb 23, 2016
Encryption processing device, encryption processing method, and program
SHIBUTANI KYOJI5 citations71
US8396210B2Mar 12, 2013
Cryptographic processing apparatus and cryptographic processing method, and computer program
SHIBUTANI KYOJI2 citations62
US9418245B2Aug 16, 2016
Encryption processing device, encryption processing method, and program
SHIBUTANI KYOJI2 citations60
US9083507B2Jul 14, 2015
Data processing device, data processing method, and program
SHIBUTANI KYOJI2 citations60
US8787568B2Jul 22, 2014
Data transformation apparatus, data transformation method, and computer program
SHIBUTANI KYOJI1 citations51
US8731188B2May 20, 2014
Cryptographic processing apparatus and cryptographic processing method, and computer program
SHIBUTANI KYOJI0 citations51
US8983062B2Mar 17, 2015
Encryption processing device, encryption processing method, and programme
SHIBUTANI KYOJI0 citations39
SHIRAI TAIZO
7 patentsUS8787563B2Jul 22, 2014
Data converter, data conversion method and program
SHIRAI TAIZO7 citations84
US8666069B2Mar 4, 2014
Cryptographic processing apparatus and cryptographic processing method, and computer program
SHIRAI TAIZO4 citations84
US8073140B2Dec 6, 2011
Encryption/decryption device, encryption/decryption method, and computer program
SHIRAI TAIZO14 citations84
US8737603B2May 27, 2014
Cryptographic processing apparatus, cryptographic processing method, and computer program
SHIRAI TAIZO4 citations73
US8577023B2Nov 5, 2013
Encryption processing method, apparatus, and computer program utilizing different types of S-boxes
SHIRAI TAIZO5 citations73
US8306217B2Nov 6, 2012
Cryptographic processing apparatus and cryptographic processing method, and computer program
SHIRAI TAIZO4 citations73
US8295478B2Oct 23, 2012
Cryptographic processing apparatus, algorithm constructing method, processing method, and computer program applying an extended feistel structure
SHIRAI TAIZO5 citations62