Jun Furukawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Bit decomposition secure computation apparatus, bit combining secur...
- Patent number 11,599,681
- Issue date Mar 7, 2023
- NEC Corporation
- Toshinori Araki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pre-calculation device, method, computer-readable recording medium,...
- Patent number 11,349,648
- Issue date May 31, 2022
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiparty computation method, apparatus and program
- Patent number 11,334,353
- Issue date May 17, 2022
- NEC Corporation
- Toshinori Araki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure computation system, secure computation apparatus, secure com...
- Patent number 11,080,393
- Issue date Aug 3, 2021
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Authentication system, authentication method, and program
- Patent number 11,063,941
- Issue date Jul 13, 2021
- NEC Corporation
- Isamu Teranishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing apparatus, authentication method, and record...
- Patent number 11,050,745
- Issue date Jun 29, 2021
- NEC Corporation
- Yuki Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure computation system, secure computation method, secure comput...
- Patent number 11,042,358
- Issue date Jun 22, 2021
- NEC Corporation
- Toshinori Araki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pre-calculation device, method, computer-readable recording medium,...
- Patent number 10,972,260
- Issue date Apr 6, 2021
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secret calculation system, secret calculation apparatus, and secret...
- Patent number 10,924,270
- Issue date Feb 16, 2021
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secure computation data utilization system, method, apparatus and n...
- Patent number 10,721,063
- Issue date Jul 21, 2020
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Secret calculation device, method, recording medium, and secret cal...
- Patent number 10,490,107
- Issue date Nov 26, 2019
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Server device, data search system, search method, and recording med...
- Patent number 10,417,442
- Issue date Sep 17, 2019
- NEC Corporation
- Kazuma Ohara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System, method, apparatus, and control methods for ciphertext compa...
- Patent number 10,366,631
- Issue date Jul 30, 2019
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key exchange system, key exchange method, key exchange device, cont...
- Patent number 9,917,692
- Issue date Mar 13, 2018
- NEC CORPORATION
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption device, cipher-text comparison system, cipher-text compa...
- Patent number 9,602,278
- Issue date Mar 21, 2017
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Database apparatus, method, and program
- Patent number 9,600,677
- Issue date Mar 21, 2017
- NEC Corporation
- Kengo Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Re-encryption system, re-encryption method and re-encryption program
- Patent number 9,455,828
- Issue date Sep 27, 2016
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Database encryption system, method, and program
- Patent number 9,349,023
- Issue date May 24, 2016
- NEC Corporation
- Kengo Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing apparatus, information processing method, an...
- Patent number 9,300,471
- Issue date Mar 29, 2016
- NEC Corporation
- Toshinori Araki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypted database system, linking method, and medium
- Patent number 9,189,647
- Issue date Nov 17, 2015
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypted database system, client terminal, encrypted database serv...
- Patent number 9,147,079
- Issue date Sep 29, 2015
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encoded database management system, client and server, natural join...
- Patent number 9,037,846
- Issue date May 19, 2015
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encrypted database system, client terminal, encrypted database serv...
- Patent number 9,021,259
- Issue date Apr 28, 2015
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Name encryption device, pseudonymization device, name encryption me...
- Patent number 8,891,769
- Issue date Nov 18, 2014
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Database encryption system, method, and program
- Patent number 8,812,877
- Issue date Aug 19, 2014
- NEC Corporation
- Kengo Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Key exchanging apparatus
- Patent number 8,638,928
- Issue date Jan 28, 2014
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key generating apparatus, encrypting apparatus and decrypting appat...
- Patent number 8,594,332
- Issue date Nov 26, 2013
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mix-net system
- Patent number 8,583,925
- Issue date Nov 12, 2013
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signature device, signature verification device, anonymous authetic...
- Patent number 8,583,932
- Issue date Nov 12, 2013
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key exchange device, key exchange processing system, key exchange m...
- Patent number 8,572,383
- Issue date Oct 29, 2013
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMPUTATION SYSTEM AND COMPUTATION METHOD
- Publication number 20220343027
- Publication date Oct 27, 2022
- NEC Corporation
- Toshinori ARAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MULTIPARTY COMPUTATION METHOD, APPARATUS AND PROGRAM
- Publication number 20210334099
- Publication date Oct 28, 2021
- NEC Corporation
- Toshinori ARAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIT DECOMPOSITION SECURE COMPUTATION APPARATUS, BIT COMBINING SECUR...
- Publication number 20210157955
- Publication date May 27, 2021
- NEC Corporation
- Toshinori ARAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRE-CALCULATION DEVICE, METHOD, COMPUTER-READABLE RECORDING MEDIUM,...
- Publication number 20210005112
- Publication date Jan 7, 2021
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECURE COMPUTATION SYSTEM, SECURE COMPUTATION APPARATUS, SECURE COM...
- Publication number 20190266326
- Publication date Aug 29, 2019
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECURE COMPUTATION SYSTEM, SECURE COMPUTATION METHOD, SECURE COMPUT...
- Publication number 20190212986
- Publication date Jul 11, 2019
- NEC Corporation
- Toshinori ARAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTHENTICATION SYSTEM, AUTHENTICATION METHOD, AND PROGRAM
- Publication number 20190116180
- Publication date Apr 18, 2019
- NEC Corporation
- Isamu Teranishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRE-CALCULATION DEVICE, METHOD, COMPUTER-READABLE RECORDING MEDIUM,...
- Publication number 20180366036
- Publication date Dec 20, 2018
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECRET CALCULATION SYSTEM, SECRET CALCULATION APPARATUS, AND SECRET...
- Publication number 20180270057
- Publication date Sep 20, 2018
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING APPARATUS, AUTHENTICATION METHOD, AND RECORD...
- Publication number 20180241747
- Publication date Aug 23, 2018
- NEC Corporation
- Yuki TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SECURE COMPUTATION DATA UTILIZATION SYSTEM, METHOD, APPARATUS AND N...
- Publication number 20180139045
- Publication date May 17, 2018
- NEC Corporation
- Jun FURUKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SERVER DEVICE, DATA SEARCH SYSTEM, SEARCH METHOD, AND RECORDING MEDIUM
- Publication number 20180039792
- Publication date Feb 8, 2018
- NEC Corporation
- Kazuma OHARA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SECRET CALCULATION DEVICE, METHOD, RECORDING MEDIUM, AND SECRET CAL...
- Publication number 20170278433
- Publication date Sep 28, 2017
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
KEY EXCHANGE SYSTEM, KEY EXCHANGE METHOD, KEY EXCHANGE DEVICE, CONT...
- Publication number 20170187524
- Publication date Jun 29, 2017
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CIPHERTEXT COMPARISON SYSTEM, CIPHERTEXT COMPARISON METHOD, CIPHERT...
- Publication number 20160240108
- Publication date Aug 18, 2016
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RE-ENCRYPTION SYSTEM, RE-ENCRYPTION METHOD AND RE-ENCRYPTION PROGRAM
- Publication number 20150236850
- Publication date Aug 20, 2015
- NEC Corporation
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENCRYPTED DATABASE SYSTEM, LINKING METHOD, AND MEDIUM
- Publication number 20150095664
- Publication date Apr 2, 2015
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTED DATABASE SYSTEM, CLIENT TERMINAL, DATABASE SERVER, DATA L...
- Publication number 20150033032
- Publication date Jan 29, 2015
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATABASE ENCRYPTION SYSTEM, METHOD, AND PROGRAM
- Publication number 20150006908
- Publication date Jan 1, 2015
- NEC Corporation
- Kengo MORI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATABASE APPARATUS, METHOD, AND PROGRAM
- Publication number 20140325217
- Publication date Oct 30, 2014
- NEC Corporation
- Kengo Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...
- Publication number 20140143549
- Publication date May 22, 2014
- NEC Corporation
- Toshinori Araki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTION DEVICE, CIPHER-TEXT COMPARISON SYSTEM, CIPHER-TEXT COMPA...
- Publication number 20140133651
- Publication date May 15, 2014
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCODED DATABASE MANAGEMENT SYSTEM, CLIENT AND SERVER, NATURAL JOIN...
- Publication number 20130268750
- Publication date Oct 10, 2013
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATABASE ENCRYPTION SYSTEM, METHOD, AND PROGRAM
- Publication number 20130246813
- Publication date Sep 19, 2013
- NEC Corporation
- Kengo Mori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTED DATABASE SYSTEM, CLIENT TERMINAL, ENCRYPTED DATABASE SERV...
- Publication number 20130179684
- Publication date Jul 11, 2013
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCRYPTED DATABASE SYSTEM, CLIENT TERMINAL, ENCRYPTED DATABASE SERV...
- Publication number 20130159731
- Publication date Jun 20, 2013
- NEC Corporation
- Jun Furukawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ANONYMOUS CREDENTIAL SYSTEM, USER DEVICE, VERIFICATION DEVICE, ANON...
- Publication number 20130073845
- Publication date Mar 21, 2013
- NEC Corporation
- Isamu Teranishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIX-NET SYSTEM
- Publication number 20120250868
- Publication date Oct 4, 2012
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIX-NET SYSTEM
- Publication number 20120250855
- Publication date Oct 4, 2012
- NEC Corporation
- JUN FURUKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNATURE DEVICE, SIGNATURE VERIFICATION DEVICE, ANONYMOUS AUTHETIC...
- Publication number 20120060028
- Publication date Mar 8, 2012
- Jun Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Jun Furukawa

Person

Patents Grantslast 30 patents

Bit decomposition secure computation apparatus, bit combining secur...

Pre-calculation device, method, computer-readable recording medium,...

Multiparty computation method, apparatus and program

Secure computation system, secure computation apparatus, secure com...

Authentication system, authentication method, and program

Information processing apparatus, authentication method, and record...

Secure computation system, secure computation method, secure comput...

Pre-calculation device, method, computer-readable recording medium,...

Secret calculation system, secret calculation apparatus, and secret...

Secure computation data utilization system, method, apparatus and n...

Secret calculation device, method, recording medium, and secret cal...

Server device, data search system, search method, and recording med...

System, method, apparatus, and control methods for ciphertext compa...

Key exchange system, key exchange method, key exchange device, cont...

Encryption device, cipher-text comparison system, cipher-text compa...

Database apparatus, method, and program

Re-encryption system, re-encryption method and re-encryption program

Database encryption system, method, and program

Information processing apparatus, information processing method, an...

Encrypted database system, linking method, and medium

Encrypted database system, client terminal, encrypted database serv...

Encoded database management system, client and server, natural join...

Encrypted database system, client terminal, encrypted database serv...

Name encryption device, pseudonymization device, name encryption me...

Database encryption system, method, and program

Key exchanging apparatus

Key generating apparatus, encrypting apparatus and decrypting appat...

Mix-net system

Signature device, signature verification device, anonymous authetic...

Key exchange device, key exchange processing system, key exchange m...

Patents Applicationslast 30 patents

COMPUTATION SYSTEM AND COMPUTATION METHOD

MULTIPARTY COMPUTATION METHOD, APPARATUS AND PROGRAM

BIT DECOMPOSITION SECURE COMPUTATION APPARATUS, BIT COMBINING SECUR...

PRE-CALCULATION DEVICE, METHOD, COMPUTER-READABLE RECORDING MEDIUM,...

SECURE COMPUTATION SYSTEM, SECURE COMPUTATION APPARATUS, SECURE COM...

SECURE COMPUTATION SYSTEM, SECURE COMPUTATION METHOD, SECURE COMPUT...

AUTHENTICATION SYSTEM, AUTHENTICATION METHOD, AND PROGRAM

PRE-CALCULATION DEVICE, METHOD, COMPUTER-READABLE RECORDING MEDIUM,...

SECRET CALCULATION SYSTEM, SECRET CALCULATION APPARATUS, AND SECRET...

INFORMATION PROCESSING APPARATUS, AUTHENTICATION METHOD, AND RECORD...

SECURE COMPUTATION DATA UTILIZATION SYSTEM, METHOD, APPARATUS AND N...

SERVER DEVICE, DATA SEARCH SYSTEM, SEARCH METHOD, AND RECORDING MEDIUM

SECRET CALCULATION DEVICE, METHOD, RECORDING MEDIUM, AND SECRET CAL...

KEY EXCHANGE SYSTEM, KEY EXCHANGE METHOD, KEY EXCHANGE DEVICE, CONT...

CIPHERTEXT COMPARISON SYSTEM, CIPHERTEXT COMPARISON METHOD, CIPHERT...

RE-ENCRYPTION SYSTEM, RE-ENCRYPTION METHOD AND RE-ENCRYPTION PROGRAM

ENCRYPTED DATABASE SYSTEM, LINKING METHOD, AND MEDIUM

ENCRYPTED DATABASE SYSTEM, CLIENT TERMINAL, DATABASE SERVER, DATA L...

DATABASE ENCRYPTION SYSTEM, METHOD, AND PROGRAM

DATABASE APPARATUS, METHOD, AND PROGRAM

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...

ENCRYPTION DEVICE, CIPHER-TEXT COMPARISON SYSTEM, CIPHER-TEXT COMPA...

ENCODED DATABASE MANAGEMENT SYSTEM, CLIENT AND SERVER, NATURAL JOIN...

DATABASE ENCRYPTION SYSTEM, METHOD, AND PROGRAM

ENCRYPTED DATABASE SYSTEM, CLIENT TERMINAL, ENCRYPTED DATABASE SERV...

ENCRYPTED DATABASE SYSTEM, CLIENT TERMINAL, ENCRYPTED DATABASE SERV...

ANONYMOUS CREDENTIAL SYSTEM, USER DEVICE, VERIFICATION DEVICE, ANON...

MIX-NET SYSTEM

MIX-NET SYSTEM

SIGNATURE DEVICE, SIGNATURE VERIFICATION DEVICE, ANONYMOUS AUTHETIC...