Inventor · disambiguated record
Ai Yanagihara
Also filed as: YANAGIHARA AI
15 granted patents·6 pending applications·11 citations·filing 2018–2022
86Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE21
Top patents by PatentIndex Score
21 records- 0180US11415761B2Optical fiber guide component, optical connection structure and method for producing sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 16, 2022·3 cites·20 claims
- 0276US11934010B2Optical connection structureNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Mar 19, 2024·2 cites·6 claims
- 0375US12092870B2Optical waveguideNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 17, 2024·2 cites·9 claims
- 0475US11422321B2Optical fiber connection component and optical device manufacturing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 23, 2022·2 cites·2 claims
- 0574US11966082B2Optical circuit and optical connection structureNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 23, 2024·2 cites·18 claims
- 0659US11977315B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 7, 2024·0 cites·6 claims
- 0759US11740491B2Optical module and manufacturing method thereofNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 29, 2023·0 cites·6 claims
- 0855US12032231B2Optical signal processing apparatus and manufacturing method thereofNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jul 9, 2024·0 cites·8 claims
- 0952US11405702B2Optical signal processing device and method for controlling sameNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 2, 2022·0 cites·2 claims
- 1051US11199659B2Optical moduleNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 14, 2021·0 cites·10 claims
- 1150US12007665B2Optical signal processing apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 11, 2024·0 cites·8 claims
- 1249US11635641B2Planar-lightwave-type optical deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Apr 25, 2023·0 cites·11 claims
- 1348US12022246B2Optical signal processing apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jun 25, 2024·0 cites·15 claims
- 1448US2025020865A1Waveguide-Type Optical CouplerNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 1546US12306438B2Optical waveguideNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 20, 2025·0 cites·8 claims
- 1646US2024085627A1Manufacturing Apparatus of Optical Circuit and Manufacturing Method of Optical CircuitNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 1746US2024044941A1Probe Card and Method of Manufacturing ThereofNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 1844US11112561B2Variable wavelength filterNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 7, 2021·0 cites·11 claims
- 1944US2024192663A1Control Device for Computer DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2043US2024201521A1Optical Phase Shifter, Optical Switch and 90 Degrees Optical HybridNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2142US2025323727A1Optical Signal Processing Device and Optical Signal Transmission SystemNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →