Inventor · disambiguated record
Takuya Kanai
Also filed as: KANAI TAKUYA
19 granted patents·20 pending applications·3 citations·filing 2019–2023
86Inventor score
Top patents by PatentIndex Score
39 records- 0174US11652554B2Optical receiving apparatus, optical transmission system, optical transmission method and computer programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted May 16, 2023·2 cites·7 claims
- 0265US11848701B2Optical space communication system and optical space communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 19, 2023·1 cites·7 claims
- 0354US11863211B2Optical communication system and optical communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 2, 2024·0 cites·7 claims
- 0453US12206461B2Optical feeding systemNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 21, 2025·0 cites·6 claims
- 0553US12143157B2Branch ratio setting system, method for producing optical communication system and optical branch deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 12, 2024·0 cites·5 claims
- 0652US2025337493A1Optical communication system, communication control apparatus and optical path opening methodNIPPON TELEGRAPH & TELEPHONE·Filed 2023·Application pending·0 cites
- 0750US12101124B2Transmission system, transmission method, and communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 24, 2024·0 cites·7 claims
- 0850US2025365077A1Optical transmitter, optical receiver, optical communication system and control signal superimposition methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 0950US2025330238A1Communication apparatus, communication system and communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1049US12445197B2Optical transmitter, optical access system, and optical transmission methodNTT INC·Filed 2020·Granted Oct 14, 2025·0 cites·8 claims
- 1149US11870497B2Optical receiving apparatus, optical transmission system, optical transmission method and computer programNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 9, 2024·0 cites·11 claims
- 1249US2025317202A1Communication system, slave station apparatus, master station apparatus and processing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1349US2025365089A1Optical transmission apparatus and optical transmission methodNTT INC·Filed 2022·Application pending·0 cites
- 1448US12273147B2Coherent optical reception device and coherent optical reception methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Apr 8, 2025·0 cites·8 claims
- 1548US12199664B2Light leakage confirmation method, light leakage confirmation apparatus and programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 14, 2025·0 cites·13 claims
- 1648US2025233683A1Communication control apparatus and communication control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1748US2025088281A1Optical node apparatus and signal superposition methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 1848US2025233667A1Communication apparatus and optical path opening methodNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Application pending·0 cites
- 1947US11506883B2Optical wavelength selecting filter-module and optical wavelength selecting methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 22, 2022·0 cites·3 claims
- 2047US2025016479A1Optical node apparatus, optical communication system and transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2147US2025007610A1Optical communication system and optical communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2246US12191905B2Optical communication system and protection method for optical communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jan 7, 2025·0 cites·10 claims
- 2346US12119869B2Optical amplification estimation method, optical amplification estimation apparatus and computer programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Oct 15, 2024·0 cites·7 claims
- 2446US11451305B2Optical receiving apparatus, optical transmitting apparatus, and frequency offset estimation methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 20, 2022·0 cites·7 claims
- 2546US2025016481A1Optical communication apparatus, optical communication system and optical communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2646US2024388821A1Optical communication system, management control apparatus and control signal transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2746US2025016480A1Optical transmission deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2846US2025088269A1Optical communication control device, receiver device, communication system, and control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 2945US12445205B2Coherent optical reception device and coherent optical reception methodNTT INC·Filed 2020·Granted Oct 14, 2025·0 cites·7 claims
- 3045US11921333B2Wavelength-selection type optical receiving apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Mar 5, 2024·0 cites·20 claims
- 3145US2024372625A1Optical communication device and control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3245US2024187099A1Optical communication system, optical transmitting and receiving apparatus, and optical communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3345US2025008248A1Optical communication system, control apparatus and optical communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3444US11621778B2Optical communication system and optical communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 4, 2023·0 cites·6 claims
- 3544US11258510B2Tunable optical filter control apparatus and tunable optical filter control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Feb 22, 2022·0 cites·10 claims
- 3643US12231172B2Optical signal processing apparatus and optical signal processing methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Feb 18, 2025·0 cites·7 claims
- 3743US2025096902A1Optical transmitting apparatus, optical transmission system and optical transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3843US2024276128A1Communication method and communication systemNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Application pending·0 cites
- 3942US2023030158A1Optical communication apparatus, optical communication system and optical communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →