Assignee
NTT INC
JP·270 granted patents·84 pending applications·21 citations·filing 1989–2025
Top patents by PatentIndex Score
354 records- 0192US2025384890A1Coding device, decoding device, and method and program thereofNTT INC·Filed 2025·Application pending·0 cites
- 0288US2025349307A1Linear prediction analysis device, method, program, and storage mediumNTT INC·Filed 2025·Application pending·0 cites
- 0388US2026039389A1Optical transmission system and transmission mode selecting methodNTT INC·Filed 2025·Application pending·0 cites
- 0487US2026075557A1Base station and terminal apparatus for synchronizing time in multi-linkNTT INC·Filed 2025·Application pending·0 cites
- 0586US2025362445A1Multicore optical fiber, method of designing multicore optical fiber, and optical transmission methodNTT INC·Filed 2025·Application pending·0 cites
- 0686US2026040198A1Terminal apparatus, base station, communication method, and communication programNTT INC·Filed 2025·Application pending·0 cites
- 0782US2026018161A1Channel selection apparatus, channel selection method, and programNTT INC·Filed 2025·Application pending·0 cites
- 0882US2026031459A1Battery pack for an electric-powered road vehicle and electric-powered road vehicle provided with such a battery packNTT INC·Filed 2025·Application pending·0 cites
- 0982US2026038081A1Remote rendering system, image processing method, server device, and programNTT INC·Filed 2025·Application pending·0 cites
- 1082US2026058362A1Control apparatus, wireless communication system, and programNTT INC·Filed 2025·Application pending·0 cites
- 1180US12537517B2Phase adjustment circuitNTT INC·Filed 2021·Granted Jan 27, 2026·1 cites·20 claims
- 1280US12446089B2Base station and terminal apparatusNTT INC·Filed 2020·Granted Oct 14, 2025·1 cites·10 claims
- 1379US2026095012A1Pump light generation apparatus, optical amplifier and pump light generation methodNTT INC·Filed 2023·Application pending·0 cites
- 1477US12566927B2Dialogue processing apparatus, learning apparatus, dialogue processing method, learning method and programNTT INC·Filed 2024·Granted Mar 3, 2026·0 cites·7 claims
- 1577US12556285B2Optical transmitter and frequency control method in optical transmissionNTT INC·Filed 2020·Granted Feb 17, 2026·1 cites·6 claims
- 1677US2025366235A1Optical element, image sensor and imaging deviceNTT INC·Filed 2025·Application pending·0 cites
- 1776US12512973B2Secret maximum value calculation apparatus, method and programNTT INC·Filed 2020·Granted Dec 30, 2025·1 cites·5 claims
- 1874US12498964B2Server delay control device, server delay control method and programNTT INC·Filed 2022·Granted Dec 16, 2025·1 cites·7 claims
- 1972US12457040B2Optical transmission system and transmission mode selecting methodNTT INC·Filed 2022·Granted Oct 28, 2025·0 cites·2 claims
- 2067US12462113B2Embedding an unknown word in an input sequenceNTT INC·Filed 2019·Granted Nov 4, 2025·1 cites·5 claims
- 2166US12540878B2Connection loss difference measurement method, equipment and programNTT INC·Filed 2021·Granted Feb 3, 2026·0 cites·6 claims
- 2266US12504321B2Overhead optical cable test system and methodNTT INC·Filed 2021·Granted Dec 23, 2025·0 cites·10 claims
- 2366US12482933B2Control apparatus, wireless communication system, and programNTT INC·Filed 2022·Granted Nov 25, 2025·0 cites·6 claims
- 2466US12443793B2Device, method and program for natural language processingNTT INC·Filed 2023·Granted Oct 14, 2025·0 cites·9 claims
- 2565US12540877B2Optical transmission line test equipment and test methodNTT INC·Filed 2021·Granted Feb 3, 2026·0 cites·6 claims
- 2665US12517008B2Apparatus and method for measuring the delay time difference between propagation modesNTT INC·Filed 2021·Granted Jan 6, 2026·0 cites·6 claims
- 2765US12498257B2Distributed acoustic sensing device and methodNTT INC·Filed 2020·Granted Dec 16, 2025·0 cites·5 claims
- 2864US12553769B2Positioning method of electric pole and estimating method of the state of overhead optical fiber cableNTT INC·Filed 2021·Granted Feb 17, 2026·0 cites·1 claims
- 2964US12529594B2Coherent optical measuring device for facility line testNTT INC·Filed 2021·Granted Jan 20, 2026·0 cites·8 claims
- 3063US12562576B2Control apparatus, power supply system, control method and programNTT INC·Filed 2022·Granted Feb 24, 2026·0 cites·7 claims
- 3163US2026027656A1Rust removing laser deviceNTT INC·Filed 2022·Application pending·0 cites
- 3262US12472359B2Biological electrode and cardiac pacemakerNTT INC·Filed 2019·Granted Nov 18, 2025·0 cites·7 claims
- 3361US12584818B2Light intensity distribution pattern measuring device and methodNTT INC·Filed 2021·Granted Mar 24, 2026·0 cites·8 claims
- 3461US12501382B2Base station and terminal apparatus for synchronizing time in multi-linkNTT INC·Filed 2020·Granted Dec 16, 2025·0 cites·6 claims
- 3561US12464439B2Terminal apparatus, base station, communication method, and communication programNTT INC·Filed 2020·Granted Nov 4, 2025·0 cites·3 claims
- 3660US12591100B2Optical cable laying methodNTT INC·Filed 2021·Granted Mar 31, 2026·0 cites·6 claims
- 3760US12567719B2Optical semiconductor chipNTT INC·Filed 2020·Granted Mar 3, 2026·0 cites·5 claims
- 3859US12476363B2Reflection characteristic analysis device, reflection characteristic analysis method, and reflection characteristic analysis programNTT INC·Filed 2021·Granted Nov 18, 2025·0 cites·6 claims
- 3959US12442716B2Optical fiber test method and optical fiber test equipmentNTT INC·Filed 2021·Granted Oct 14, 2025·0 cites·2 claims
- 4059US12440407B2Moving apparatusNTT INC·Filed 2021·Granted Oct 14, 2025·0 cites·5 claims
- 4159US2025379419A1Wavelength tunable laser, wavelength tunable laser module, and method of manufacturing layer structure of wavelength tunable laserNTT INC·Filed 2022·Application pending·0 cites
- 4258US12586471B2Information processing apparatus, information processing method and programNTT INC·Filed 2021·Granted Mar 24, 2026·0 cites·10 claims
- 4358US12541145B2Photomask, optical-waveguide, optical circuit and method of manufacturing an optical-waveguideNTT INC·Filed 2020·Granted Feb 3, 2026·0 cites·8 claims
- 4458US12474527B2Optical coupling device and optical coupling systemNTT INC·Filed 2020·Granted Nov 18, 2025·0 cites·10 claims
- 4558US2026062693A1Mutant creation apparatus, method, and programNTT INC·Filed 2022·Application pending·0 cites
- 4658US2026092808A1Estimation apparatus, estimation method and programNTT INC·Filed 2022·Application pending·0 cites
- 4757US12574983B2Base station and terminal apparatusNTT INC·Filed 2021·Granted Mar 10, 2026·0 cites·2 claims
- 4857US12566059B2Optical fiber strain measuring method and optical fiber strain measuring deviceNTT INC·Filed 2021·Granted Mar 3, 2026·0 cites·8 claims
- 4957US12553793B2Equipment and method for measuring loss and crosstalk that occur in optical fiber transmission lineNTT INC·Filed 2021·Granted Feb 17, 2026·0 cites·6 claims
- 5057US12546944B2Optical moduleNTT INC·Filed 2020·Granted Feb 10, 2026·0 cites·17 claims
Showing the top 50 of 354 patent records by PatentIndex Score.
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