Tatsuyuki MATSUSHITA

Person

Nerima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Remote access control system
- Patent number 11,397,821
- Issue date Jul 26, 2022
- Kabushiki Kaisha Toshiba
- Toshiharu Oya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing device, information processing method and co...
- Patent number 10,521,320
- Issue date Dec 31, 2019
- Kabushiki Kaisha Toshiba
- Hiroyoshi Haruki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Management apparatus, computer program product, system, device, and...
- Patent number 10,447,469
- Issue date Oct 15, 2019
- Kabushiki Kaisha Toshiba
- Yoshikazu Hanatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authenticator, authenticatee and authentication method
- Patent number 10,361,850
- Issue date Jul 23, 2019
- TOSHIBA MEMORY CORPORATION
- Taku Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authenticator, authenticatee and authentication method
- Patent number 10,361,851
- Issue date Jul 23, 2019
- TOSHIBA MEMORY CORPORATION
- Taku Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Re-encryption key generator, re-encryption apparatus, encryption ap...
- Patent number 10,187,207
- Issue date Jan 22, 2019
- Kabushiki Kaisha Toshiba
- Ryotaro Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypted data computation system, device, and program
- Patent number 10,116,439
- Issue date Oct 30, 2018
- Kabushiki Kaisha Toshiba
- Masanobu Koike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing device, computer program product, and testin...
- Patent number 10,095,607
- Issue date Oct 9, 2018
- Kabushiki Kaisha Toshiba
- Satoshi Aoki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authenticator, authenticatee and authentication method
- Patent number 9,887,841
- Issue date Feb 6, 2018
- TOSHIBA MEMORY CORPORATION
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Re-encryption key generator, re-encryption device, encryption devic...
- Patent number 9,819,487
- Issue date Nov 14, 2017
- Kabushiki Kaisha Toshiba
- Yoshihiro Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authenticator, authenticatee and authentication method
- Patent number 9,544,138
- Issue date Jan 10, 2017
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key management device, communication device, communication system,...
- Patent number 9,515,827
- Issue date Dec 6, 2016
- Kabushiki Kaisha Toshiba
- Yoshikazu Hanatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Server apparatus and program to re-encrypt ciphertext data
- Patent number 9,426,131
- Issue date Aug 23, 2016
- Kabushiki Kaisha Toshiba
- Ryotaro Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information recording device
- Patent number 9,413,532
- Issue date Aug 9, 2016
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data recording device, and method of processing data recording device
- Patent number 9,319,389
- Issue date Apr 19, 2016
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information recording device
- Patent number 9,294,285
- Issue date Mar 22, 2016
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Memory and storage devices to be authenicated using a host device,...
- Patent number 9,253,169
- Issue date Feb 2, 2016
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Re-encryption key generator, re-encryption apparatus, and program
- Patent number 9,246,683
- Issue date Jan 26, 2016
- Kabushiki Kaisha Toshiba
- Ryotaro Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authenticator, authenticatee and authentication method
- Patent number 9,225,513
- Issue date Dec 29, 2015
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and authentication method therefor
- Patent number 9,201,811
- Issue date Dec 1, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authentication method
- Patent number 9,183,159
- Issue date Nov 10, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Host device, semiconductor memory device, and authentication method
- Patent number 9,160,531
- Issue date Oct 13, 2015
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Host device and authentication method for host device
- Patent number 9,124,432
- Issue date Sep 1, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Authenticator
- Patent number 9,100,187
- Issue date Aug 4, 2015
- Kabushiki Kaisha Toshiba
- Taku Kato
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording device
- Patent number 9,094,193
- Issue date Jul 28, 2015
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for certifying one's own authenticity
- Patent number 8,995,657
- Issue date Mar 31, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic device for secure authentication
- Patent number 8,989,374
- Issue date Mar 24, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Host device, semiconductor memory device, and authentication method
- Patent number 8,990,571
- Issue date Mar 24, 2015
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System of authenticating an individual memory device via reading da...
- Patent number 8,984,294
- Issue date Mar 17, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information recording device
- Patent number 8,971,529
- Issue date Mar 3, 2015
- Kabushiki Kaisha Toshiba
- Taku Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
REMOTE ACCESS CONTROL SYSTEM
- Publication number 20210019431
- Publication date Jan 21, 2021
- KABUSHIKI KAISHA TOSHIBA
- Toshiharu OYA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTHENTICATOR, AUTHENTICATEE AND AUTHENTICATION METHOD
- Publication number 20180227123
- Publication date Aug 9, 2018
- Toshiba Memory Corporation
- Taku KATO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTHENTICATOR, AUTHENTICATEE AND AUTHENTICATION METHOD
- Publication number 20180097623
- Publication date Apr 5, 2018
- Toshiba Memory Corporation
- Taku KATO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD AND CO...
- Publication number 20170270020
- Publication date Sep 21, 2017
- KABUSHIKI KAISHA TOSHIBA
- Hiroyoshi HARUKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING DEVICE, COMPUTER PROGRAM PRODUCT AND TEST SY...
- Publication number 20170270033
- Publication date Sep 21, 2017
- KABUSHIKI KAISHA TOSHIBA
- Satoshi AOKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGEMENT APPARATUS, COMPUTER PROGRAM PRODUCT, SYSTEM, DEVICE, AND...
- Publication number 20170180120
- Publication date Jun 22, 2017
- KABUSHIKI KAISHA TOSHIBA
- Yoshikazu HANATANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS, TESTING SYSTEM, INFORMATION PROCE...
- Publication number 20170075784
- Publication date Mar 16, 2017
- Kabushiki Kaisha Toshiba
- Fukutomo NAKANISHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RE-ENCRYPTION KEY GENERATOR, RE-ENCRYPTION APPARATUS, ENCRYPTION AP...
- Publication number 20160380767
- Publication date Dec 29, 2016
- KABUSHIKI KAISHA TOSHIBA
- Ryotaro HAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCRYPTED DATA COMPUTATION SYSTEM, DEVICE, AND PROGRAM
- Publication number 20160006563
- Publication date Jan 7, 2016
- KABUSHIKI KAISHA TOSHIBA
- Masanobu KOIKE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURITY SYSTEM
- Publication number 20150341345
- Publication date Nov 26, 2015
- KABUSHIKI KAISHA TOSHIBA
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION RECORDING DEVICE
- Publication number 20150326400
- Publication date Nov 12, 2015
- KABUSHIKI KAISHA TOSHIBA
- Taku Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOST DEVICE AND AUTHENTICATION METHOD FOR HOST DEVICE
- Publication number 20150326397
- Publication date Nov 12, 2015
- KABUSHIKI KAISHA TOSHIBA
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RE-ENCRYPTION KEY GENERATOR, RE-ENCRYPTION DEVICE, ENCRYPTION DEVIC...
- Publication number 20150180661
- Publication date Jun 25, 2015
- KABUSHIKI KAISHA TOSHIBA
- Yoshihiro FUJII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEMORY DEVICE AND MEMORY SYSTEM
- Publication number 20150074406
- Publication date Mar 12, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOST DEVICE AND AUTHENTICATION METHOD FOR HOST DEVICE
- Publication number 20150074394
- Publication date Mar 12, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURITY SYSTEM
- Publication number 20150074421
- Publication date Mar 12, 2015
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOST DEVICE, SEMICONDUCTOR MEMORY DEVICE, AND AUTHENTICATION METHOD
- Publication number 20150046720
- Publication date Feb 12, 2015
- KABUSHIKI KAISHA TOSHIBA
- Taku KATO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION RECORDING DEVICE
- Publication number 20140344582
- Publication date Nov 20, 2014
- Taku KATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTHENTICATOR, AUTHENTICATEE AND AUTHENTICATION METHOD
- Publication number 20140289526
- Publication date Sep 25, 2014
- Yuji Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA RECORDING DEVICE, AND METHOD OF PROCESSING DATA RECORDING DEVICE
- Publication number 20140281551
- Publication date Sep 18, 2014
- KABUSHIKI KAISHA TOSHIBA
- Taku Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HOST DEVICE CONFIGURED FOR AUTHENTICATION WITH MEMORY DEVICE
- Publication number 20140281543
- Publication date Sep 18, 2014
- Taku KATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEMORY DEVICE AUTHENTICATION PROCESS
- Publication number 20140281563
- Publication date Sep 18, 2014
- Yuji NAGAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF AUTHENTICATING ACCESS TO MEMORY DEVICE
- Publication number 20140281564
- Publication date Sep 18, 2014
- Yuji NAGAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF PERFORMING AN AUTHENTICATION PROCESS BETWEEN DATA RECORDI...
- Publication number 20140281570
- Publication date Sep 18, 2014
- Taku KATO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE
- Publication number 20140250302
- Publication date Sep 4, 2014
- KABUSHIKI KAISHA TOSHIBA
- Yuji Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE AND AUTHENTICATION METHOD THEREFOR
- Publication number 20140241527
- Publication date Aug 28, 2014
- Kabushiki Kaisha Toshiba
- Yuji NAGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND AUTHENTICATION METHOD THEREFOR
- Publication number 20140245023
- Publication date Aug 28, 2014
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE AND AUTHENTICATION METHOD THEREFOR
- Publication number 20140245010
- Publication date Aug 28, 2014
- Kabushiki Kaisha Toshiba
- Yuji NAGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND AUTHENTICATION METHOD THEREFOR
- Publication number 20140245011
- Publication date Aug 28, 2014
- Kabushiki Kaisha Toshiba
- Yuji NAGAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND AUTHENTICATION METHOD THEREFOR
- Publication number 20140245024
- Publication date Aug 28, 2014
- Kabushiki Kaisha Toshiba
- Yuji Nagai
- G06 - COMPUTING CALCULATING COUNTING

Tatsuyuki MATSUSHITA

Person

Patents Grantslast 30 patents

Remote access control system

Information processing device, information processing method and co...

Management apparatus, computer program product, system, device, and...

Authenticator, authenticatee and authentication method

Authenticator, authenticatee and authentication method

Re-encryption key generator, re-encryption apparatus, encryption ap...

Encrypted data computation system, device, and program

Information processing device, computer program product, and testin...

Authenticator, authenticatee and authentication method

Re-encryption key generator, re-encryption device, encryption devic...

Authenticator, authenticatee and authentication method

Key management device, communication device, communication system,...

Server apparatus and program to re-encrypt ciphertext data

Information recording device

Data recording device, and method of processing data recording device

Information recording device

Memory and storage devices to be authenicated using a host device,...

Re-encryption key generator, re-encryption apparatus, and program

Authenticator, authenticatee and authentication method

Device and authentication method therefor

Authentication method

Host device, semiconductor memory device, and authentication method

Host device and authentication method for host device

Authenticator

Information recording device

Device and method for certifying one's own authenticity

Cryptographic device for secure authentication

Host device, semiconductor memory device, and authentication method

System of authenticating an individual memory device via reading da...

Information recording device

Patents Applicationslast 30 patents

REMOTE ACCESS CONTROL SYSTEM

AUTHENTICATOR, AUTHENTICATEE AND AUTHENTICATION METHOD

AUTHENTICATOR, AUTHENTICATEE AND AUTHENTICATION METHOD

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD AND CO...

INFORMATION PROCESSING DEVICE, COMPUTER PROGRAM PRODUCT AND TEST SY...

MANAGEMENT APPARATUS, COMPUTER PROGRAM PRODUCT, SYSTEM, DEVICE, AND...

INFORMATION PROCESSING APPARATUS, TESTING SYSTEM, INFORMATION PROCE...

RE-ENCRYPTION KEY GENERATOR, RE-ENCRYPTION APPARATUS, ENCRYPTION AP...

ENCRYPTED DATA COMPUTATION SYSTEM, DEVICE, AND PROGRAM

SECURITY SYSTEM

INFORMATION RECORDING DEVICE

HOST DEVICE AND AUTHENTICATION METHOD FOR HOST DEVICE

RE-ENCRYPTION KEY GENERATOR, RE-ENCRYPTION DEVICE, ENCRYPTION DEVIC...

MEMORY DEVICE AND MEMORY SYSTEM

HOST DEVICE AND AUTHENTICATION METHOD FOR HOST DEVICE

SECURITY SYSTEM

HOST DEVICE, SEMICONDUCTOR MEMORY DEVICE, AND AUTHENTICATION METHOD

INFORMATION RECORDING DEVICE

AUTHENTICATOR, AUTHENTICATEE AND AUTHENTICATION METHOD

DATA RECORDING DEVICE, AND METHOD OF PROCESSING DATA RECORDING DEVICE

HOST DEVICE CONFIGURED FOR AUTHENTICATION WITH MEMORY DEVICE

MEMORY DEVICE AUTHENTICATION PROCESS

METHOD OF AUTHENTICATING ACCESS TO MEMORY DEVICE

METHOD OF PERFORMING AN AUTHENTICATION PROCESS BETWEEN DATA RECORDI...

DEVICE

DEVICE AND AUTHENTICATION METHOD THEREFOR

DEVICE AND AUTHENTICATION METHOD THEREFOR

DEVICE AND AUTHENTICATION METHOD THEREFOR

DEVICE AND AUTHENTICATION METHOD THEREFOR

DEVICE AND AUTHENTICATION METHOD THEREFOR