Inventor · disambiguated record
Koji Chida
Also filed as: CHIDA KOJI
35 granted patents·12 pending applications·37 citations·filing 2002–2023
94Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE39IKARASHI DAI2VEHICLE ENERGY JAPAN INC2CHIDA KOJI1HAMADA KOKI1
Top patents by PatentIndex Score
47 records- 0188US10867018B2Secure computation system, secure computation device, secure computation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Dec 15, 2020·6 cites·17 claims
- 0282US9432188B2Secret sharing system, data distribution apparatus, distributed data transform apparatus, secret sharing method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Aug 30, 2016·7 cites·16 claims
- 0378US12335409B2Information processing apparatus, program execution system, information processing method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Jun 17, 2025·1 cites·4 claims
- 0478US12315954B2Secondary battery moduleVEHICLE ENERGY JAPAN INC·Filed 2023·Granted May 27, 2025·0 cites·5 claims
- 0577US11329808B2Secure computation device, secure computation authentication system, secure computation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 10, 2022·3 cites·9 claims
- 0674US9064123B2Secure product-sum combination system, computing apparatus, secure product-sum combination method and program thereforIKARASHI DAI·Filed 2012·Granted Jun 23, 2015·5 cites·14 claims
- 0771US10679522B2Secure computation apparatus, secure computation method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jun 9, 2020·2 cites·8 claims
- 0871US9992190B2Multi-party secure authentication system, authentication server, intermediate server, multi-party secure authentication method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jun 5, 2018·3 cites·13 claims
- 0969US11537726B2Secret computation system and methodNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Dec 27, 2022·1 cites·6 claims
- 1068US6938012B2Method, apparatus and program for quantitative competition and recording medium having recorded thereon the programNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Aug 30, 2005·2 cites·23 claims
- 1167US9860058B2Secret computation system, arithmetic unit, secret computation method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jan 2, 2018·2 cites·8 claims
- 1266US11646474B2Secondary battery moduleVEHICLE ENERGY JAPAN INC·Filed 2019·Granted May 9, 2023·0 cites·9 claims
- 1362US11888977B2Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Granted Jan 30, 2024·0 cites·6 claims
- 1460US9679149B2Secret sharing system, data distribution apparatus, distributed data transform apparatus, secret sharing method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Jun 13, 2017·1 cites·6 claims
- 1559US10002547B2Secret calculation method, secret calculation system, random permutation device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Jun 19, 2018·1 cites·13 claims
- 1657US9292258B2Secure sum-of-product computation method, secure sum-of-product computation system, computation apparatus and programs thereforIKARASHI DAI·Filed 2012·Granted Mar 22, 2016·1 cites·17 claims
- 1754US10218495B2Secure computation method, secure computation system, secure computation server, registrant terminal, user terminal and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Feb 26, 2019·1 cites·7 claims
- 1854US7676399B2Method, apparatus and program for quantitative competition and recording medium having recorded thereon the programNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Mar 9, 2010·0 cites·5 claims
- 1952US11374743B2Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Jun 28, 2022·0 cites·7 claims
- 2051US9300469B2Secure computing system, secure computing method, secure computing apparatus, and program thereforCHIDA KOJI·Filed 2009·Granted Mar 29, 2016·1 cites·16 claims
- 2150US12476817B2Secure consolidation system, information processing apparatus, secure consolidation method, and programNTT INC·Filed 2021·Granted Nov 18, 2025·0 cites·7 claims
- 2250US10083314B2Secret parallel processing device, secret parallel processing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Sep 25, 2018·0 cites·9 claims
- 2349US2025348104A1Optical computing apparatus, and optical computing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 2447US11461395B2Confidential sort system and methodNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Oct 4, 2022·0 cites·4 claims
- 2547US10050775B2Element replication device, element replication method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Aug 14, 2018·0 cites·8 claims
- 2647US2025300819A1Key exchange system, hub apparatus, qkd apparatus, method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 2747US2025328056A1Optical computing apparatus, and optical computing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 2847US2024353885A1Cypher system, cypher apparatus, cypher method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2945US12407496B2Program execution system, data processing apparatus, program execution method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 2, 2025·0 cites·6 claims
- 3045US10003460B2Secret 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 thereforNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jun 19, 2018·0 cites·9 claims
- 3145US2024241932A1Information processing system, resource management apparatus, resource management method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3245US2024241992A1Registration application support system and registration application support methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3344US2025300820A1Key exchange system, qkd apparatus, hub apparatus, method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 3443US11544350B2Fisher's exact test calculation apparatus, method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Jan 3, 2023·0 cites·4 claims
- 3543US2024169087A1Secure search method, system thereof, apparatus thereof, encryption apparatus, searcher terminal, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3643US2024372849A1Certificate issuance support system, certificate issuance support method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3742US11456862B2Secure computation system, secure computation apparatus, secure computation method, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Sep 27, 2022·0 cites·8 claims
- 3842US11081024B2Secure computation system, secure computation device, secure computation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Aug 3, 2021·0 cites·7 claims
- 3941US11818254B2Share generating device, reconstructing device, secure computation system, share generation method, reconstruction method, program, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Nov 14, 2023·0 cites·5 claims
- 4041US2024370574A1Security evaluation index calculation apparatus, security evaluation index calculation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4139US10665137B2Inconsistency detecting method, inconsistency detecting system, inconsistency detecting device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted May 26, 2020·0 cites·5 claims
- 4239US2019163722A1Fisher's exact test calculation apparatus, method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Application pending·0 cites
- 4339US2023367852A1Authentication-control system, authentication-control apparatus, authentication-control method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
- 4437US10885814B2Share recovery system, share recovery apparatus, share recovery method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jan 5, 2021·0 cites·5 claims
- 4537US10074293B2Secret calculation method, secret calculation system, sorting device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Sep 11, 2018·0 cites·9 claims
- 4636US10523422B2Tampering detection device, tampering detection method and programNIPPON TELEGRAGH AND TELEPHONE CORP·Filed 2014·Granted Dec 31, 2019·0 cites·7 claims
- 4732US8989391B2Secret sharing system, secret sharing apparatus, secret sharing method, secret sorting method and secret sharing programHAMADA KOKI·Filed 2011·Granted Mar 24, 2015·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →