Inventor · disambiguated record
Koki Hamada
Also filed as: HAMADA KOKI
68 granted patents·19 pending applications·101 citations·filing 1994–2023
97Inventor score
Top patents by PatentIndex Score
87 records- 0196US10166526B2ReactorIHI CORP·Filed 2016·Granted Jan 1, 2019·18 cites·11 claims
- 0296US9737869B2ReactorIHI CORP·Filed 2015·Granted Aug 22, 2017·19 cites·4 claims
- 0390US10118148B2ReactorIHI CORP·Filed 2017·Granted Nov 6, 2018·6 cites·18 claims
- 0489US9776164B2ReactorIHI CORP·Filed 2015·Granted Oct 3, 2017·4 cites·8 claims
- 0588US10867018B2Secure computation system, secure computation device, secure computation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Dec 15, 2020·6 cites·17 claims
- 0682US9432188B2Secret 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
- 0777US12079363B2Secure joining information generation system, secure joining system, methods therefor, secure computing apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 3, 2024·2 cites·11 claims
- 0877US11797540B2Secret joining system, method, secret calculation apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Oct 24, 2023·2 cites·3 claims
- 0977US9370761B2MicroreactorIHI CORP·Filed 2014·Granted Jun 21, 2016·2 cites·8 claims
- 1076US12512973B2Secret maximum value calculation apparatus, method and programNTT INC·Filed 2020·Granted Dec 30, 2025·1 cites·5 claims
- 1174US9064123B2Secure 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
- 1273US11888973B2Secure joining system, method, secure computing apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 30, 2024·2 cites·12 claims
- 1371US10679522B2Secure computation apparatus, secure computation method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jun 9, 2020·2 cites·8 claims
- 1471US10657847B2Secret random number synthesizing device, secret random number synthesizing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted May 19, 2020·2 cites·5 claims
- 1571US9992190B2Multi-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
- 1670US12275675B1Combustion gas bleeding probe and method for operating sameTAIHEIYO CEMENT CORP·Filed 2023·Granted Apr 15, 2025·0 cites·5 claims
- 1769US11200346B2Secure computation for reading multiple elements from a secure text arrayNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Dec 14, 2021·1 cites·8 claims
- 1868US12341885B2Secret batch approximation system, secure computation device, secret batch approximation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jun 24, 2025·1 cites·7 claims
- 1967US9860058B2Secret computation system, arithmetic unit, secret computation method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jan 2, 2018·2 cites·8 claims
- 2064US10972271B2Secret authentication code adding device, secret authentication code adding method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Apr 6, 2021·1 cites·5 claims
- 2162US11504738B2Coating and method for forming the sameIHI CORP·Filed 2020·Granted Nov 22, 2022·0 cites·2 claims
- 2260US9679149B2Secret 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
- 2359US10002547B2Secret calculation method, secret calculation system, random permutation device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Jun 19, 2018·1 cites·13 claims
- 2457US9292258B2Secure 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
- 2555US2024403659A1Secure grouping apparatus, secure grouping method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2654US10258961B2ReactorIHI CORP·Filed 2016·Granted Apr 16, 2019·0 cites·8 claims
- 2753US12299047B2Secret grouping apparatus, secret grouping system, secret grouping method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted May 13, 2025·0 cites·7 claims
- 2853US8506917B2Gas treatment method and apparatus for circulating fluidized-bed gasification systemOHARA HIROAKI·Filed 2010·Granted Aug 13, 2013·1 cites·7 claims
- 2951US2023273771A1Secret decision tree test apparatus, secret decision tree test system, secret decision tree test method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
- 3051US2023376790A1Secret decision tree learning apparatus, secret decision tree learning system, secret decision tree learning method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
- 3150US12476817B2Secure consolidation system, information processing apparatus, secure consolidation method, and programNTT INC·Filed 2021·Granted Nov 18, 2025·0 cites·7 claims
- 3250US12010220B2Secure division system, secure computation apparatus, secure division method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jun 11, 2024·0 cites·9 claims
- 3350US11880489B2Secret statistical processing systems, methods, statistical processing apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 23, 2024·0 cites·11 claims
- 3450US11514192B2Secure reading apparatus, secure writing apparatus, method thereof, and program for reading and writing data in a sequence without revealing an access positionNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Nov 29, 2022·0 cites·13 claims
- 3550US10083314B2Secret parallel processing device, secret parallel processing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Sep 25, 2018·0 cites·9 claims
- 3650US2025348613A1Secure search system, secure search apparatus, secure search method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 3750US2025322032A1Secure attribute selection system, secure attribute selection apparatus, secure attribute selection method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 3848US11886876B2Secure strong mapping computing systems, methods, secure computing apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 30, 2024·0 cites·8 claims
- 3948US11508262B2Secure reading and writing apparatus, secure reading and writing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Nov 22, 2022·0 cites·6 claims
- 4048US2008213142A1Membrane reactor for shift reactionNGK INSULATORS LTD·Filed 2008·Application pending·0 cites
- 4147US12189807B2Encrypted data analysis device, encrypted data analysis method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 7, 2025·0 cites·16 claims
- 4247US12141322B2Analysis query response system, analysis query execution apparatus, analysis query verification apparatus, analysis query response method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 12, 2024·0 cites·4 claims
- 4347US11593362B2Secure aggregate function computation system, secure computation apparatus, secure aggregate function computation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 28, 2023·0 cites·5 claims
- 4447US11461395B2Confidential sort system and methodNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Oct 4, 2022·0 cites·4 claims
- 4547US11316674B2Secure aggregate median system, secure computation apparatus, secure aggregate median method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 26, 2022·0 cites·5 claims
- 4647US10050775B2Element replication device, element replication method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Aug 14, 2018·0 cites·8 claims
- 4747US2022350638A1Secret multiple repetition calculation apparatus, method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 4846US11480991B2Secret table reference system, method, secret calculation apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Oct 25, 2022·0 cites·4 claims
- 4946US11265155B2Agreement system, agreement apparatus, program, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Mar 1, 2022·0 cites·9 claims
- 5046US2024281208A1Cumulative calculation apparatus, cumulative calculation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →