Inventor · disambiguated record
Ryo Kikuchi
Also filed as: KIKUCHI RYO
52 granted patents·14 pending applications·246 citations·filing 1989–2022
97Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE38OTSUKA KAGAKU KK8CASIO COMPUTER CO LTD3KIKUCHI RYO3FUJITSU LTD2
Top patents by PatentIndex Score
66 records- 0195US7090731B2High strength steel sheet having excellent formability and method for production thereofKOBE STEEL LTD·Filed 2002·Granted Aug 15, 2006·91 cites·29 claims
- 0288US10867018B2Secure computation system, secure computation device, secure computation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Dec 15, 2020·6 cites·17 claims
- 0382US9432188B2Secret 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
- 0476US12512973B2Secret maximum value calculation apparatus, method and programNTT INC·Filed 2020·Granted Dec 30, 2025·1 cites·5 claims
- 0575US10616688B2Speaker box and projection deviceCASIO COMPUTER CO LTD·Filed 2018·Granted Apr 7, 2020·2 cites·20 claims
- 0675US5803487AAir bag apparatus for vehicleALLIED SIGNAL INC·Filed 1997·Granted Sep 8, 1998·48 cites·14 claims
- 0773US11888973B2Secure joining system, method, secure computing apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 30, 2024·2 cites·12 claims
- 0872US11295457B2Tracking apparatus and computer readable mediumMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Apr 5, 2022·1 cites·6 claims
- 0971US10679522B2Secure computation apparatus, secure computation method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jun 9, 2020·2 cites·8 claims
- 1071US10657847B2Secret random number synthesizing device, secret random number synthesizing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted May 19, 2020·2 cites·5 claims
- 1171US9992190B2Multi-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
- 1270US10209609B2Electronic device having a heat sink, and projector including the electronic deviceCASIO COMPUTER CO LTD·Filed 2017·Granted Feb 19, 2019·1 cites·12 claims
- 1370US5588674AIntervening cloth on an air bagISUZU MOTORS LTD·Filed 1995·Granted Dec 31, 1996·48 cites·5 claims
- 1469US11537726B2Secret computation system and methodNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Dec 27, 2022·1 cites·6 claims
- 1569US10585341B2Light source unit and projectorCASIO COMPUTER CO LTD·Filed 2018·Granted Mar 10, 2020·1 cites·19 claims
- 1669US5070194AMethod for production of β-lactam derivativesOTSUKA KAGAKU KK·Filed 1989·Granted Dec 3, 1991·10 cites·6 claims
- 1768US8147141B2Linear motion guide unitFUMOTO MASASHI·Filed 2008·Granted Apr 3, 2012·7 cites·4 claims
- 1867US9860058B2Secret computation system, arithmetic unit, secret computation method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jan 2, 2018·2 cites·8 claims
- 1966US11515998B2Secure computation device, secure computation method, program, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Nov 29, 2022·1 cites·12 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
- 2162US11888977B2Share 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
- 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
- 2359US11095429B2Circuit concealing apparatus, calculation apparatus, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Aug 17, 2021·1 cites·32 claims
- 2459US10002547B2Secret calculation method, secret calculation system, random permutation device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Jun 19, 2018·1 cites·13 claims
- 2552US11374743B2Share 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
- 2650US11880489B2Secret statistical processing systems, methods, statistical processing apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 23, 2024·0 cites·11 claims
- 2750US10083314B2Secret parallel processing device, secret parallel processing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Sep 25, 2018·0 cites·9 claims
- 2850US2023301765A1Prediction apparatus, prediction system and prediction methodANICOM HOLDINGS INC·Filed 2022·Application pending·0 cites
- 2949US11900735B2Voting system, vote relay server, client terminal, voting method, advertisement distribution system, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 13, 2024·0 cites·20 claims
- 3049US2009218323A1Spot welding method, method for judging shape of nugget, spot welding machine and spot welding electrodeABE HIROSHI·Filed 2006·Application pending·0 cites
- 3148US2025349228A1Secure computation device, secure computation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 3248US2011102690A1Liquid crystal display panel and liquid crystal display deviceKIKUCHI RYO·Filed 2009·Application pending·0 cites
- 3348US2010321621A1Display deviceKIKUCHI RYO·Filed 2008·Application pending·0 cites
- 3447US12189807B2Encrypted data analysis device, encrypted data analysis method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 7, 2025·0 cites·16 claims
- 3547US2012057229A1Display apparatusKIKUCHI RYO·Filed 2009·Application pending·0 cites
- 3646US12412487B2Secret calculation system, apparatus, method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Sep 9, 2025·0 cites·6 claims
- 3745US10003460B2Secret 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
- 3845US2025068756A1Secure cluster calculation system, secure cluster calculation apparatus, secure cluster calculation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 3944US12092371B2Temperature control apparatusSMC CORP·Filed 2020·Granted Sep 17, 2024·0 cites·8 claims
- 4044US11189038B2Tracking apparatus and computer readable mediumMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Nov 30, 2021·0 cites·13 claims
- 4144US6403789B1Method of halogenating hydroxyl groupOTSUKA KAGAKU KK·Filed 2000·Granted Jun 11, 2002·0 cites·6 claims
- 4244US2022413802A1Computation apparatus, method and program for the sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 4344US2024184577A1Secret calculation system, apparatus, method and programNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4443US12081655B2Secret sigmoid function calculation system, secret logistic regression calculation system, secret sigmoid function calculation apparatus, secret logistic regression calculation apparatus, secret sigmoid function calculation method, secret logistic regression calculation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 3, 2024·0 cites·15 claims
- 4543US5126447AProcess for preparation of β-lactam derivative from an alkenyl substituted β-lactam derivative using a ruthenium or rhenium catalyst and a periodic acidOTSUKA KAGAKU KK·Filed 1991·Granted Jun 30, 1992·2 cites·13 claims
- 4643US2025068394A1Secure random number calculation system, secure random number calculation apparatus, secure random number calculation method, secure cluster calculation system, secure cluster calculation apparatus, secure cluster calculation method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 4743US2014209198A1Exhaust system and apparatus for fabricating semiconductor deviceTOSHIBA KK·Filed 2014·Application pending·0 cites
- 4842US12333039B2Secret hash table construction system, reference system, methods for the sameNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 17, 2025·0 cites·10 claims
- 4942US11456862B2Secure computation system, secure computation apparatus, secure computation method, and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Sep 27, 2022·0 cites·8 claims
- 5042US10992462B2Concealed-decision-tree computation system, apparatus, method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Apr 27, 2021·0 cites·4 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →