Inventor · disambiguated record
Daisuke Iida
Also filed as: IIDA DAISUKE
33 granted patents·25 pending applications·25 citations·filing 2012–2024
94Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE41HAMAMATSU PHOTONICS KK5NGK INSULATORS LTD4NTT INC3UNIV KING ABDULLAH SCI & TECH3
Top patents by PatentIndex Score
58 records- 0195US11867555B2Phase measurement method and signal processing deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 9, 2024·4 cites·4 claims
- 0290US11965758B2Brillouin optical sensing device and optical sensing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Apr 23, 2024·3 cites·6 claims
- 0388US11879803B2Optical fiber evaluation method and optical fiber evaluation apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 23, 2024·2 cites·6 claims
- 0485US11994376B2Distributed vibration measuring device and methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted May 28, 2024·2 cites·10 claims
- 0584US11788928B2Light intensity distribution measurement method and light intensity distribution measurement deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Oct 17, 2023·3 cites·4 claims
- 0681US12320725B2Several mode fiber test method and several mode fiber test deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 3, 2025·1 cites·5 claims
- 0781US11920974B2Vibration distribution measuring system, vibration waveform analysis method, vibration waveform analyzing device, and analyzing programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Mar 5, 2024·2 cites·8 claims
- 0881US11906387B2Test method and test device for mode field diameterNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 20, 2024·2 cites·3 claims
- 0981US11754465B2Optical pulse testing device and optical pulse testing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 12, 2023·2 cites·6 claims
- 1079US11719599B2Optical fiber test method and optical fiber test deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 8, 2023·2 cites·9 claims
- 1171US2024339588A1Honeycomb-type ceramic positive electrode and lithium-ion secondary battery provided with sameNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 1269US2024332522A1Lithium secondary batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 1366US12504321B2Overhead optical cable test system and methodNTT INC·Filed 2021·Granted Dec 23, 2025·0 cites·10 claims
- 1466US12298159B2Technique for analyzing a spectrum of backscattered light in an optical fiberNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted May 13, 2025·0 cites·7 claims
- 1566US12199210B2Optical semiconductor elementHAMAMATSU PHOTONICS KK·Filed 2022·Granted Jan 14, 2025·0 cites·18 claims
- 1665US12498257B2Distributed acoustic sensing device and methodNTT INC·Filed 2020·Granted Dec 16, 2025·0 cites·5 claims
- 1765US12399079B2Devices and methods for measuring the amount of frequency modulationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Aug 26, 2025·0 cites·6 claims
- 1862US11788909B2Measuring device and measuring method using tape core wireNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Oct 17, 2023·0 cites·4 claims
- 1962US2024421175A1Optical semiconductor elementHAMAMATSU PHOTONICS KK·Filed 2022·Application pending·0 cites
- 2060US12015117B2Lithium secondary cellNGK INSULATORS LTD·Filed 2021·Granted Jun 18, 2024·0 cites·7 claims
- 2160US2025212561A1Light emitting device in red spectral rangeUNIV KING ABDULLAH SCI & TECH·Filed 2023·Application pending·0 cites
- 2259US2024297358A1System for supporting reuse of lithium-ion secondary batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 2358US12385806B2Power coupling coefficient measuring method and power coupling coefficient measuring deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Aug 12, 2025·0 cites·6 claims
- 2458US12031858B2Aerial optical fiber cable inspection method, aerial optical fiber cable inspection device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 9, 2024·0 cites·6 claims
- 2558US2025155277A1Signal processing method and signal processing equipmentNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 2657US12442682B2Vibration detection device and vibration detection methodNTT INC·Filed 2020·Granted Oct 14, 2025·0 cites·2 claims
- 2757US11976962B2Optical-fiber path searching method, optical-fiber path searching system, signal processing device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 7, 2024·0 cites·3 claims
- 2857US9048025B2Electrode for electric storage device, electric storage device and manufacturing method of electrode for electric storage deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Jun 2, 2015·2 cites·14 claims
- 2956US12388527B2Brillouin gain spectrum distribution measurement method and equipmentNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Aug 12, 2025·0 cites·4 claims
- 3055US11860028B2Vibration detection method with improved signal processingNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 2, 2024·0 cites·8 claims
- 3153US11644347B2Manhole position specification method and manhole position specification systemNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 9, 2023·0 cites·5 claims
- 3253US9972446B2Electrode for power storage device, power storage device, and method for manufacturing electrode for power storage deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted May 15, 2018·0 cites·9 claims
- 3352US2025237533A1Optical fiber sensing device and optical fiber sensing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 3452US2024060817A1Equipment location identification system, cover, and equipment location identification methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3551US12313489B2Optical fiber measurement system, optical fiber measurement method, control arithmetic device, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted May 27, 2025·0 cites·7 claims
- 3650US2023395745A1Light emitting diode elementHAMAMATSU PHOTONICS KK·Filed 2023·Application pending·0 cites
- 3750US2024295433A1Signal processing method and signal processing deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3850US2023120130A1Optical semiconductor elementHAMAMATSU PHOTONICS KK·Filed 2022·Application pending·0 cites
- 3949US2024271971A1Sensing system, sensing method, and analyzerNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4049US2025003789A1Optical pulse test method and optical pulse test equipmentNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4149US2025123415A1Optical communication underground equipment location mapping system, optical communication underground equipment location mapping method, and optical communication underground equipment location mapping deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4248US11750283B2Optical fiber route search method, optical fiber route search device and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 5, 2023·0 cites·7 claims
- 4348US11463163B2Device for measuring optical frequency reflection and measurement method thereofNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Oct 4, 2022·0 cites·10 claims
- 4448US2025123138A1Signal processing device, vibration detection system, and signal processing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4548US2025305856A1Optical fiber sensing system and optical fiber sensing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 4648US2022364846A1Fiber optic cable sensing device, fiber optic cable sensing method, and programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 4748US2024222529A1Optical semiconductor elementHAMAMATSU PHOTONICS KK·Filed 2023·Application pending·0 cites
- 4848US2024280403A1Vibration measuring instrument and vibration measurement methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 4948US2025028078A1Amount of snowfall estimation system and amount of snowfall estimation methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 5047US12345555B2Phase measuring method and signal processing deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 1, 2025·0 cites·8 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →