Kouichi Itoh

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Similarity determination apparatus, similarity determination method...
- Patent number 10,025,784
- Issue date Jul 17, 2018
- Fujitsu Limited
- Fumihiko Kozakura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic mail creation recording medium, method, and information...
- Patent number 9,760,616
- Issue date Sep 12, 2017
- Fujitsu Limited
- Takeaki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encrypting device, encrypting method, and recording medium
- Patent number 9,749,135
- Issue date Aug 29, 2017
- Fujitsu Limited
- Jun Yajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypting device, encrypting method, and recording medium
- Patent number 9,401,805
- Issue date Jul 26, 2016
- Fujitsu Limited
- Jun Yajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption processing device and authentication method
- Patent number 9,330,270
- Issue date May 3, 2016
- Fujitsu Limited
- Takao Ochiai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authentication method, authentication system, and authentication ch...
- Patent number 9,166,800
- Issue date Oct 20, 2015
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption processing device and method
- Patent number 9,130,745
- Issue date Sep 8, 2015
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Individual-specific information generation apparatus and individual...
- Patent number 9,021,001
- Issue date Apr 28, 2015
- Fujitsu Limited
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Random number generator, encryption device, and authentication device
- Patent number 9,015,218
- Issue date Apr 21, 2015
- Fujitsu Limited
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic processing device and cryptographic processing method
- Patent number 8,891,759
- Issue date Nov 18, 2014
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypting method having countermeasure function against power anal...
- Patent number 8,817,973
- Issue date Aug 26, 2014
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic processing method, computer readable storage medium,...
- Patent number 8,638,927
- Issue date Jan 28, 2014
- Fujitsu Limited
- Masahiko Takenaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cipher processing apparatus
- Patent number 8,619,975
- Issue date Dec 31, 2013
- Fujitsu Limited
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for elliptic curve cryptographic processing
- Patent number 8,422,669
- Issue date Apr 16, 2013
- Fujitsu Limited
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic device having tamper resistance to power analysis attack
- Patent number 8,391,477
- Issue date Mar 5, 2013
- Fujitsu Limited
- Tetsuya Izu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption apparatus having common key encryption function and embe...
- Patent number 8,369,516
- Issue date Feb 5, 2013
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption device, encryption method and storage medium storing its...
- Patent number 8,335,313
- Issue date Dec 18, 2012
- Fujitsu Limited
- Jun Yajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Embedded device having countermeasure function against fault attack
- Patent number 8,327,156
- Issue date Dec 4, 2012
- Fujitsu Limited
- Kazuyoshi Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data conversion function processor
- Patent number 8,295,479
- Issue date Oct 23, 2012
- Fujitsu Limited
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decryption processor and decryption processing method
- Patent number 8,280,042
- Issue date Oct 2, 2012
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypting apparatus for common key cipher
- Patent number 8,218,762
- Issue date Jul 10, 2012
- Fujitsu Limited
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic processing apparatus and cryptographic processing method
- Patent number 8,111,827
- Issue date Feb 7, 2012
- Fujitsu Limited
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computation method, computing device and computer program
- Patent number 8,085,931
- Issue date Dec 27, 2011
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device and method for calculating conversion parameter of montgomer...
- Patent number 7,792,893
- Issue date Sep 7, 2010
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem...
- Patent number 7,639,808
- Issue date Dec 29, 2009
- Fujitsu Limited
- Tetsuya Izu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tamper-proof elliptic encryption with private key
- Patent number 7,536,011
- Issue date May 19, 2009
- Fujitsu Limited
- Masahiko Takenaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encryption operating apparatus and method having side-channel attac...
- Patent number 7,065,788
- Issue date Jun 20, 2006
- Fujitsu Limited
- Jun Yajima
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
VERIFICATION METHOD, STORAGE MEDIUM, AND INFORMATION PROCESSING APP...
- Publication number 20240045983
- Publication date Feb 8, 2024
- Fujitsu Limited
- Kazuya Uno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING METHOD, RECORDING MEDIUM, AND INFORMATION PR...
- Publication number 20230208650
- Publication date Jun 29, 2023
- Fujitsu Limited
- Hidenobu Oguri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VERIFICATION METHOD, NON-TRANSITORY COMPUTER-READABLE RECORDING MED...
- Publication number 20230205933
- Publication date Jun 29, 2023
- Fujitsu Limited
- Yoshinori KATAYAMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, METHOD AND NON-TRANSITORY COMPUTE...
- Publication number 20180365769
- Publication date Dec 20, 2018
- Fujitsu Limited
- Yuji Yamaoka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INVESTIGATION APPARATUS, COMPUTER-READABLE RECORDING MEDIUM, AND IN...
- Publication number 20170109535
- Publication date Apr 20, 2017
- Fujitsu Limited
- Fumihiko Kozakura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTING DEVICE, ENCRYPTING METHOD, AND RECORDING MEDIUM
- Publication number 20170048067
- Publication date Feb 16, 2017
- Fujitsu Limited
- Jun YAJIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CRYPTOGRAPHIC APPARATUS AND METHOD
- Publication number 20160248585
- Publication date Aug 25, 2016
- Fujitsu Limited
- Jun Yajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIMILARITY DETERMINATION APPARATUS, SIMILARITY DETERMINATION METHOD...
- Publication number 20160210339
- Publication date Jul 21, 2016
- FUJITSU LIMITED
- Fumihiko Kozakura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC MAIL CREATION RECORDING MEDIUM, METHOD, AND INFORMATION...
- Publication number 20150081722
- Publication date Mar 19, 2015
- Fujitsu Limited
- Takeaki Terada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTHENTICATION METHOD, AUTHENTICATION SYSTEM, AND AUTHENTICATION CH...
- Publication number 20140181524
- Publication date Jun 26, 2014
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION PROCESSING DEVICE AND AUTHENTICATION METHOD
- Publication number 20140164785
- Publication date Jun 12, 2014
- Fujitsu Limited
- TAKAO OCHIAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION PROCESSING DEVICE AND METHOD
- Publication number 20140037089
- Publication date Feb 6, 2014
- Kouichi ITOH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTING DEVICE, ENCRYPTING METHOD, AND RECORDING MEDIUM
- Publication number 20140016772
- Publication date Jan 16, 2014
- Fujitsu Limited
- Jun YAJIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING MASKED DATA
- Publication number 20140019467
- Publication date Jan 16, 2014
- Fujitsu Limited
- Kouichi ITOH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION PROCESSING DEVICE AND METHOD
- Publication number 20130287209
- Publication date Oct 31, 2013
- Kouichi ITOH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INDIVIDUAL-SPECIFIC INFORMATION GENERATION APPARATUS AND INDIVIDUAL...
- Publication number 20130138710
- Publication date May 30, 2013
- Fujitsu Limited
- Dai YAMAMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC PROCESSING DEVICE AND CRYPTOGRAPHIC PROCESSING METHOD
- Publication number 20130039486
- Publication date Feb 14, 2013
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RANDOM NUMBER GENERATOR, ENCRYPTION DEVICE, AND AUTHENTICATION DEVICE
- Publication number 20130022197
- Publication date Jan 24, 2013
- Fujitsu Limited
- Dai Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Encrypting apparatus
- Publication number 20110176673
- Publication date Jul 21, 2011
- FUJITSU LIMITED
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR ELLIPTIC CURVE CRYPTOGRAPHIC PROCESSING
- Publication number 20110075836
- Publication date Mar 31, 2011
- FUJITSU LIMITED
- Dai YAMAMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTING METHOD HAVING COUNTERMEASURE FUNCTION AGAINST POWER ANAL...
- Publication number 20110013770
- Publication date Jan 20, 2011
- FUJITSU LIMITED
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION APPARATUS HAVING COMMON KEY ENCRYPTION FUNCTION AND EMBE...
- Publication number 20110013769
- Publication date Jan 20, 2011
- FUJITSU LIMITED
- Kouichi Itoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CRYPTOGRAPHIC PROCESSING METHOD, COMPUTER READABLE STORAGE MEDIUM,...
- Publication number 20110007894
- Publication date Jan 13, 2011
- FUJITSU LIMITED
- Masahiko TAKENAKA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION DEVICE, ENCRYPTION METHOD AND STORAGE MEDIUM STORING ITS...
- Publication number 20100278340
- Publication date Nov 4, 2010
- FUJITSU LIMITED
- Jun Yajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA CONVERSION FUNCTION PROCESSOR
- Publication number 20100278332
- Publication date Nov 4, 2010
- FUJITSU LIMITED
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DECRYPTION PROCESSOR AND DECRYPTION PROCESSING METHOD
- Publication number 20100232603
- Publication date Sep 16, 2010
- Fujitsu Limited
- Kouichi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELLIPTIC CURVE ARITHMETIC PROCESSING UNIT AND ELLIPTIC CURVE ARITHM...
- Publication number 20100232601
- Publication date Sep 16, 2010
- FUJITSU LIMITED
- Kouichi ITOH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CRYPTOGRAPHIC PROCESSING APPARATUS AND CRYPTOGRAPHIC PROCESSING METHOD
- Publication number 20100183143
- Publication date Jul 22, 2010
- FUJITSU LIMITED
- Dai YAMAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cipher processing apparatus
- Publication number 20100183144
- Publication date Jul 22, 2010
- FUJITSU LIMITED
- Dai Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EMBEDDED DEVICE HAVING COUNTERMEASURE FUNCTION AGAINST FAULT ATTACK
- Publication number 20100031055
- Publication date Feb 4, 2010
- Fujitsu Limited
- Kazuyoshi Furukawa
- G06 - COMPUTING CALCULATING COUNTING

Kouichi Itoh

Person

Patents Grantslast 30 patents

Similarity determination apparatus, similarity determination method...

Electronic mail creation recording medium, method, and information...

Encrypting device, encrypting method, and recording medium

Encrypting device, encrypting method, and recording medium

Encryption processing device and authentication method

Authentication method, authentication system, and authentication ch...

Encryption processing device and method

Individual-specific information generation apparatus and individual...

Random number generator, encryption device, and authentication device

Cryptographic processing device and cryptographic processing method

Encrypting method having countermeasure function against power anal...

Cryptographic processing method, computer readable storage medium,...

Cipher processing apparatus

Method and apparatus for elliptic curve cryptographic processing

Cryptographic device having tamper resistance to power analysis attack

Encryption apparatus having common key encryption function and embe...

Encryption device, encryption method and storage medium storing its...

Embedded device having countermeasure function against fault attack

Data conversion function processor

Decryption processor and decryption processing method

Encrypting apparatus for common key cipher

Cryptographic processing apparatus and cryptographic processing method

Computation method, computing device and computer program

Device and method for calculating conversion parameter of montgomer...

Elliptic curve cryptosystem apparatus, elliptic curve cryptosystem...

Tamper-proof elliptic encryption with private key

Encryption operating apparatus and method having side-channel attac...

Patents Applicationslast 30 patents

VERIFICATION METHOD, STORAGE MEDIUM, AND INFORMATION PROCESSING APP...

INFORMATION PROCESSING METHOD, RECORDING MEDIUM, AND INFORMATION PR...

VERIFICATION METHOD, NON-TRANSITORY COMPUTER-READABLE RECORDING MED...

INFORMATION PROCESSING APPARATUS, METHOD AND NON-TRANSITORY COMPUTE...

INVESTIGATION APPARATUS, COMPUTER-READABLE RECORDING MEDIUM, AND IN...

ENCRYPTING DEVICE, ENCRYPTING METHOD, AND RECORDING MEDIUM

CRYPTOGRAPHIC APPARATUS AND METHOD

SIMILARITY DETERMINATION APPARATUS, SIMILARITY DETERMINATION METHOD...

ELECTRONIC MAIL CREATION RECORDING MEDIUM, METHOD, AND INFORMATION...

AUTHENTICATION METHOD, AUTHENTICATION SYSTEM, AND AUTHENTICATION CH...

ENCRYPTION PROCESSING DEVICE AND AUTHENTICATION METHOD

ENCRYPTION PROCESSING DEVICE AND METHOD

ENCRYPTING DEVICE, ENCRYPTING METHOD, AND RECORDING MEDIUM

METHOD AND APPARATUS FOR PROCESSING MASKED DATA

ENCRYPTION PROCESSING DEVICE AND METHOD

INDIVIDUAL-SPECIFIC INFORMATION GENERATION APPARATUS AND INDIVIDUAL...

CRYPTOGRAPHIC PROCESSING DEVICE AND CRYPTOGRAPHIC PROCESSING METHOD

RANDOM NUMBER GENERATOR, ENCRYPTION DEVICE, AND AUTHENTICATION DEVICE

Encrypting apparatus

METHOD AND APPARATUS FOR ELLIPTIC CURVE CRYPTOGRAPHIC PROCESSING

ENCRYPTING METHOD HAVING COUNTERMEASURE FUNCTION AGAINST POWER ANAL...

ENCRYPTION APPARATUS HAVING COMMON KEY ENCRYPTION FUNCTION AND EMBE...

CRYPTOGRAPHIC PROCESSING METHOD, COMPUTER READABLE STORAGE MEDIUM,...

ENCRYPTION DEVICE, ENCRYPTION METHOD AND STORAGE MEDIUM STORING ITS...

DATA CONVERSION FUNCTION PROCESSOR

DECRYPTION PROCESSOR AND DECRYPTION PROCESSING METHOD

ELLIPTIC CURVE ARITHMETIC PROCESSING UNIT AND ELLIPTIC CURVE ARITHM...

CRYPTOGRAPHIC PROCESSING APPARATUS AND CRYPTOGRAPHIC PROCESSING METHOD

Cipher processing apparatus

EMBEDDED DEVICE HAVING COUNTERMEASURE FUNCTION AGAINST FAULT ATTACK