P

Inventor

CHIDA KOJI

JP40 patents
⚠️ This page may combine multiple inventors who share the name “CHIDA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON TELEGRAPH & TELEPHONE

27 patents
US9432188B2Aug 30, 2016

Secret sharing system, data distribution apparatus, distributed data transform apparatus, secret sharing method and program

NIPPON TELEGRAPH & TELEPHONE7 citations84
US10867018B2Dec 15, 2020

Secure computation system, secure computation device, secure computation method, and program

NIPPON TELEGRAPH & TELEPHONE6 citations73
US10679522B2Jun 9, 2020

Secure computation apparatus, secure computation method and program

NIPPON TELEGRAPH & TELEPHONE2 citations73
US9992190B2Jun 5, 2018

Multi-party secure authentication system, authentication server, intermediate server, multi-party secure authentication method, and program

NIPPON TELEGRAPH & TELEPHONE3 citations73
US9860058B2Jan 2, 2018

Secret computation system, arithmetic unit, secret computation method and program

NIPPON TELEGRAPH & TELEPHONE2 citations73
US11329808B2May 10, 2022

Secure computation device, secure computation authentication system, secure computation method, and program

NIPPON TELEGRAPH & TELEPHONE3 citations71
US12335409B2Jun 17, 2025

Information processing apparatus, program execution system, information processing method and program

NIPPON TELEGRAPH & TELEPHONE1 citations63
US11888977B2Jan 30, 2024

Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording medium

NIPPON TELEGRAPH & TELEPHONE0 citations62
US11537726B2Dec 27, 2022

Secret computation system and method

NIPPON TELEGRAPH & TELEPHONE1 citations62
US11374743B2Jun 28, 2022

Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording medium

NIPPON TELEGRAPH & TELEPHONE0 citations62
US6938012B2Aug 30, 2005

Method, apparatus and program for quantitative competition and recording medium having recorded thereon the program

NIPPON TELEGRAPH & TELEPHONE2 citations62
US10218495B2Feb 26, 2019

Secure computation method, secure computation system, secure computation server, registrant terminal, user terminal and program

NIPPON TELEGRAPH & TELEPHONE1 citations56
US11818254B2Nov 14, 2023

Share generating device, reconstructing device, secure computation system, share generation method, reconstruction method, program, and recording medium

NIPPON TELEGRAPH & TELEPHONE0 citations52
US11461395B2Oct 4, 2022

Confidential sort system and method

NIPPON TELEGRAPH & TELEPHONE0 citations52
US11456862B2Sep 27, 2022

Secure computation system, secure computation apparatus, secure computation method, and recording medium

NIPPON TELEGRAPH & TELEPHONE0 citations52
US10885814B2Jan 5, 2021

Share recovery system, share recovery apparatus, share recovery method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations52
US10002547B2Jun 19, 2018

Secret calculation method, secret calculation system, random permutation device, and program

NIPPON TELEGRAPH & TELEPHONE1 citations52
US9679149B2Jun 13, 2017

Secret sharing system, data distribution apparatus, distributed data transform apparatus, secret sharing method and program

NIPPON TELEGRAPH & TELEPHONE1 citations52
US7676399B2Mar 9, 2010

Method, apparatus and program for quantitative competition and recording medium having recorded thereon the program

NIPPON TELEGRAPH & TELEPHONE0 citations52
US12407496B2Sep 2, 2025

Program execution system, data processing apparatus, program execution method and program

NIPPON TELEGRAPH & TELEPHONE0 citations48
US11544350B2Jan 3, 2023

Fisher's exact test calculation apparatus, method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations47
US11081024B2Aug 3, 2021

Secure computation system, secure computation device, secure computation method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations47
US10665137B2May 26, 2020

Inconsistency detecting method, inconsistency detecting system, inconsistency detecting device, and program

NIPPON TELEGRAPH & TELEPHONE0 citations42
US10083314B2Sep 25, 2018

Secret parallel processing device, secret parallel processing method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations42
US10074293B2Sep 11, 2018

Secret calculation method, secret calculation system, sorting device, and program

NIPPON TELEGRAPH & TELEPHONE0 citations42
US10050775B2Aug 14, 2018

Element replication device, element replication method, and program

NIPPON TELEGRAPH & TELEPHONE0 citations42
US10003460B2Jun 19, 2018

Secret quotient transfer device, secret bit decomposition device, secret modulus conversion device, secret quotient transfer method, secret bit decomposition method, secret modulus conversion method, and programs therefor

NIPPON TELEGRAPH & TELEPHONE0 citations42

NTT INC

5 patents

VEHICLE ENERGY JAPAN INC

3 patents

IKARASHI DAI

2 patents

CHIDA KOJI

1 patent

NIPPON TELEGRAGH AND TELEPHONE CORP

1 patent

HAMADA KOKI

1 patent