Inventor · disambiguated record
Bjorn Hoffmeister
Also filed as: HOFFMEISTER BJORN · HOFFMEISTER BJÖRN
46 granted patents·1 pending application·3,205 citations·filing 2012–2025
99Inventor score
Top patents by PatentIndex Score
47 records- 0199US10388274B1Confidence checking for speech processing and query answeringAMAZON TECH INC·Filed 2016·Granted Aug 20, 2019·105 cites·22 claims
- 0299US10332508B1Confidence checking for speech processing and query answeringAMAZON TECH INC·Filed 2016·Granted Jun 25, 2019·185 cites·20 claims
- 0399US9098467B1Accepting voice commands based on user identityRAWLES LLC·Filed 2012·Granted Aug 4, 2015·555 cites·20 claims
- 0498US10176802B1Lattice encoding using recurrent neural networksAMAZON TECH INC·Filed 2016·Granted Jan 8, 2019·179 cites·20 claims
- 0598US9697828B1Keyword detection modeling using contextual and environmental informationAMAZON TECH INC·Filed 2014·Granted Jul 4, 2017·362 cites·27 claims
- 0698US9390708B1Low latency and memory efficient keywork spottingAMAZON TECH INC·Filed 2013·Granted Jul 12, 2016·152 cites·23 claims
- 0798US9159319B1Keyword spotting with competitor modelsAMAZON TECH INC·Filed 2012·Granted Oct 13, 2015·180 cites·32 claims
- 0897US11302310B1Language model adaptationAMAZON TECH INC·Filed 2019·Granted Apr 12, 2022·63 cites·20 claims
- 0997US10304440B1Keyword spotting using multi-task configurationAMAZON TECH INC·Filed 2016·Granted May 28, 2019·103 cites·24 claims
- 1097US10121467B1Automatic speech recognition incorporating word usage informationAMAZON TECH INC·Filed 2016·Granted Nov 6, 2018·51 cites·16 claims
- 1197US9899021B1Stochastic modeling of user interactions with a detection systemAMAZON TECH INC·Filed 2013·Granted Feb 20, 2018·92 cites·21 claims
- 1297US9706406B1Security measures for an electronic deviceAMAZON TECH INC·Filed 2013·Granted Jul 11, 2017·81 cites·24 claims
- 1396US11551685B2Device-directed utterance detectionAMAZON TECH INC·Filed 2020·Granted Jan 10, 2023·7 cites·19 claims
- 1496US10726830B1Deep multi-channel acoustic modelingAMAZON TECH INC·Filed 2018·Granted Jul 28, 2020·33 cites·25 claims
- 1596US10229356B1Error tolerant neural network model compressionAMAZON TECH INC·Filed 2014·Granted Mar 12, 2019·192 cites·19 claims
- 1696US9600231B1Model shrinking for embedded keyword spottingAMAZON TECH INC·Filed 2015·Granted Mar 21, 2017·66 cites·20 claims
- 1796US9589560B1Estimating false rejection rate in a detection systemAMAZON TECH INC·Filed 2013·Granted Mar 7, 2017·36 cites·21 claims
- 1896US9070367B1Local speech recognition of frequent utterancesAMAZON TECH INC·Filed 2012·Granted Jun 30, 2015·167 cites·20 claims
- 1995US11574628B1Deep multi-channel acoustic modeling using multiple microphone array geometriesAMAZON TECH INC·Filed 2019·Granted Feb 7, 2023·22 cites·21 claims
- 2095US11361763B1Detecting system-directed speechAMAZON TECH INC·Filed 2017·Granted Jun 14, 2022·84 cites·18 claims
- 2195US9672812B1Qualifying trigger expressions in speech-based systemsAMAZON TECH INC·Filed 2013·Granted Jun 6, 2017·92 cites·21 claims
- 2295US8996372B1Using adaptation data with cloud-based speech recognitionAMAZON TECH INC·Filed 2012·Granted Mar 31, 2015·106 cites·31 claims
- 2394US10373612B2Anchored speech detection and speech recognitionAMAZON TECH INC·Filed 2016·Granted Aug 6, 2019·34 cites·17 claims
- 2494US9886948B1Neural network processing of multiple feature streams using max pooling and restricted connectivityAMAZON TECH INC·Filed 2015·Granted Feb 6, 2018·21 cites·20 claims
- 2594US9286883B1Acoustic echo cancellation and automatic speech recognition with random noiseAMAZON TECH INC·Filed 2013·Granted Mar 15, 2016·26 cites·23 claims
- 2693US10923111B1Speech detection and speech recognitionAMAZON TECH INC·Filed 2019·Granted Feb 16, 2021·49 cites·20 claims
- 2792US11475881B2Deep multi-channel acoustic modelingAMAZON TECH INC·Filed 2020·Granted Oct 18, 2022·3 cites·20 claims
- 2892US10121471B2Language model speech endpointingAMAZON TECH INC·Filed 2015·Granted Nov 6, 2018·15 cites·22 claims
- 2991US12211517B1Endpointing in speech processingAMAZON TECH INC·Filed 2021·Granted Jan 28, 2025·4 cites·20 claims
- 3091US9852729B2Low latency and memory efficient keyword spottingAMAZON TECH INC·Filed 2016·Granted Dec 26, 2017·10 cites·20 claims
- 3190US9190057B2Speech model retrieval in distributed speech recognition systemsAMAZON TECH INC·Filed 2012·Granted Nov 17, 2015·17 cites·29 claims
- 3289US12236950B2Device-directed utterance detectionAMAZON TECH INC·Filed 2023·Granted Feb 25, 2025·1 cites·21 claims
- 3389US10210862B1Lattice decoding and result confirmation using recurrent neural networksAMAZON TECH INC·Filed 2016·Granted Feb 19, 2019·9 cites·20 claims
- 3488US10964315B1Monophone-based background modeling for wakeword detectionAMAZON TECH INC·Filed 2017·Granted Mar 30, 2021·10 cites·20 claims
- 3588US9600764B1Markov-based sequence tagging using neural networksAMAZON TECH INC·Filed 2014·Granted Mar 21, 2017·27 cites·23 claims
- 3688US9286897B2Speech recognizer with multi-directional decodingAMAZON TECH INC·Filed 2013·Granted Mar 15, 2016·20 cites·19 claims
- 3787US10152973B2Speech model retrieval in distributed speech recognition systemsAMAZON TECH INC·Filed 2015·Granted Dec 11, 2018·7 cites·19 claims
- 3886US9378735B1Estimating speaker-specific affine transforms for neural network based speech recognition systemsAMAZON TECH INC·Filed 2013·Granted Jun 28, 2016·13 cites·20 claims
- 3981US11657804B2Wake word detection modelingAMAZON TECH INC·Filed 2020·Granted May 23, 2023·1 cites·20 claims
- 4080US10832662B2Keyword detection modeling using contextual informationAMAZON TECH INC·Filed 2017·Granted Nov 10, 2020·3 cites·15 claims
- 4180US9449598B1Speech recognition with combined grammar and statistical language modelsAMAZON TECH INC·Filed 2013·Granted Sep 20, 2016·8 cites·24 claims
- 4276US9542939B1Duration ratio modeling for improved speech recognitionHOFFMEISTER BJORN·Filed 2012·Granted Jan 10, 2017·8 cites·27 claims
- 4374US9892726B1Class-based discriminative training of speech modelsAMAZON TECH INC·Filed 2014·Granted Feb 13, 2018·5 cites·20 claims
- 4470US2025174231A1Device-directed utterance detectionAMAZON TECH INC·Filed 2025·Application pending·0 cites
- 4567US12014726B2Language model adaptationAMAZON TECH INC·Filed 2022·Granted Jun 18, 2024·0 cites·18 claims
- 4667US11514901B2Anchored speech detection and speech recognitionAMAZON TECH INC·Filed 2019·Granted Nov 29, 2022·1 cites·19 claims
- 4748US12412567B1Low latency audio processing techniquesAMAZON TECH INC·Filed 2021·Granted Sep 9, 2025·0 cites·19 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →