Inventor · disambiguated record
Eugene Chai
Also filed as: CHAI EUGENE · CHAI EUGENE SONGYOU
33 granted patents·2 pending applications·112 citations·filing 2012–2023
96Inventor score
Files withNEC LAB AMERICA INC30HEWLETT PACKARD DEVELOPMENT CO3LEE JEONGKEUN1NOKIA SOLUTIONS & NETWORKS OY1
Top patents by PatentIndex Score
35 records- 0196US10936927B2Tagging objects in indoor spaces using ambient, distributed backscatterNEC LAB AMERICA INC·Filed 2020·Granted Mar 2, 2021·8 cites·20 claims
- 0296US9936414B2Enabling long-term-evolution/wifi coexistenceNEC LAB AMERICA INC·Filed 2016·Granted Apr 3, 2018·22 cites·20 claims
- 0395US10292054B2Enabling technologies for LTE on unlicensed spectrumNEC LAB AMERICA INC·Filed 2017·Granted May 14, 2019·18 cites·6 claims
- 0494US11620880B2Self checkout systemNEC LAB AMERICA INC·Filed 2021·Granted Apr 4, 2023·5 cites·16 claims
- 0593US12339366B2LiDAR-driven mmWave beam managementNEC LAB AMERICA INC·Filed 2022·Granted Jun 24, 2025·3 cites·18 claims
- 0693US9413474B2Efficient large-scale multiple input multiple output communicationsNEC LAB AMERICA INC·Filed 2015·Granted Aug 9, 2016·11 cites·10 claims
- 0792US11651664B2Neural network classifier trained for purchasing differentiationNEC LAB AMERICA INC·Filed 2021·Granted May 16, 2023·3 cites·16 claims
- 0891US9537587B2Efficient large-scale multiple input multiple output communicationsNEC LAB AMERICA INC·Filed 2015·Granted Jan 3, 2017·10 cites·12 claims
- 0989US11620462B2Reading passive wireless tags using commodity devicesNEC LAB AMERICA INC·Filed 2021·Granted Apr 4, 2023·2 cites·19 claims
- 1085US10852416B2In-store interaction and location system for interfacing users with productsNEC LAB AMERICA INC·Filed 2019·Granted Dec 1, 2020·3 cites·19 claims
- 1180US10852413B2Tagging objects in indoor spaces using ambient, distributed backscatterNEC LAB AMERICA INC·Filed 2019·Granted Dec 1, 2020·2 cites·18 claims
- 1280US9723566B2Interference cancellationNEC LAB AMERICA INC·Filed 2015·Granted Aug 1, 2017·2 cites·15 claims
- 1379US10852415B2Backscatter-aided navigation systemNEC LAB AMERICA INC·Filed 2019·Granted Dec 1, 2020·2 cites·19 claims
- 1479US10852414B2In-home inventory and location systemNEC LAB AMERICA INC·Filed 2019·Granted Dec 1, 2020·2 cites·19 claims
- 1579US10405373B2Distributed core architecture for implementing wireless communication networksNEC LAB AMERICA INC·Filed 2018·Granted Sep 3, 2019·2 cites·16 claims
- 1676US10470243B2Implementing wireless communication networks using unmanned aerial vehiclesNEC LAB AMERICA INC·Filed 2018·Granted Nov 5, 2019·4 cites·17 claims
- 1775US10091114B2Asynchronous access and synchronous transmission for coexistence of wireless standardsNEC LAB AMERICA INC·Filed 2016·Granted Oct 2, 2018·2 cites·10 claims
- 1874US10410025B2Product checkout and interest detection in retail environment using radio-frequency identificationNEC LAB AMERICA INC·Filed 2018·Granted Sep 10, 2019·1 cites·18 claims
- 1974US10069541B2Distributed antenna system over ethernetHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Sep 4, 2018·3 cites·18 claims
- 2070US9736785B2Degrees of freedom in multicell wireless systems with full-duplex base stations using interference alignment and methods for enabling full-duplex with half duplex clientsNEC LAB AMERICA INC·Filed 2014·Granted Aug 15, 2017·1 cites·15 claims
- 2169US9723567B2Interference cancellationNEC LAB AMERICA INC·Filed 2015·Granted Aug 1, 2017·1 cites·4 claims
- 2268US9136894B2Hybrid platform for a software defined radioLEE JEONGKEUN·Filed 2012·Granted Sep 15, 2015·3 cites·12 claims
- 2368US9001927B2Transmitting a wireless signal based on detected signal interferenceHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Apr 7, 2015·2 cites·13 claims
- 2463US2024061079A1Scalable biometric sensing using distributed mimo radarsNEC LAB AMERICA INC·Filed 2023·Application pending·0 cites
- 2557US12487607B2Near real-time reconstruction using dronesNEC LAB AMERICA INC·Filed 2021·Granted Dec 2, 2025·0 cites·20 claims
- 2656US2025168401A1Bifurcated transmission of 3d data encoded as octreesNOKIA SOLUTIONS & NETWORKS OY·Filed 2023·Application pending·0 cites
- 2755US9813995B2Interference cancellationNEC LAB AMERICA INC·Filed 2015·Granted Nov 7, 2017·0 cites·11 claims
- 2852US10574535B2Interference topology inference to enhance performance of LTE unlicensed networksNEC LAB AMERICA INC·Filed 2018·Granted Feb 25, 2020·0 cites·20 claims
- 2951US10469188B2System and method for enabling interference-awareness for LTE operation in unlicensed spectrumNEC LAB AMERICA INC·Filed 2018·Granted Nov 5, 2019·0 cites·20 claims
- 3048US11356172B2Unmanned aerial vehicle networkNEC LAB AMERICA INC·Filed 2020·Granted Jun 7, 2022·0 cites·16 claims
- 3148US10405209B2Blue-printing interference for LTE access in unlicensed spectrumNEC LAB AMERICA INC·Filed 2018·Granted Sep 3, 2019·0 cites·20 claims
- 3248US10090896B2Wirelessly transmitting multi-cast signal using rateless codesHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Oct 2, 2018·0 cites·10 claims
- 3347US11054843B2Self-configuring long term evolution radio access network on unmanned autonomous vehiclesNEC LAB AMERICA INC·Filed 2019·Granted Jul 6, 2021·0 cites·17 claims
- 3447US10346655B2Battery-free touch-aware user input using RFID tagsNEC LAB AMERICA INC·Filed 2017·Granted Jul 9, 2019·0 cites·4 claims
- 3542US10582529B2Speculative scheduling in mobile networksNEC LAB AMERICA INC·Filed 2018·Granted Mar 3, 2020·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Eugene Chai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →