Inventor · disambiguated record
Klaus Zechner
Also filed as: ZECHNER KLAUS
27 granted patents·2 pending applications·174 citations·filing 2004–2021
95Inventor score
Top patents by PatentIndex Score
29 records- 0193US11417339B1Detection of plagiarized spoken responses using machine learningEDUCATIONAL TESTING SERVICE·Filed 2019·Granted Aug 16, 2022·15 cites·15 claims
- 0291US9177558B2Systems and methods for assessment of non-native spontaneous speechEDUCATIONAL TESTING SERVICE·Filed 2013·Granted Nov 3, 2015·10 cites·33 claims
- 0390US10283142B1Processor-implemented systems and methods for determining sound qualityEDUCATIONAL TESTING SERVICE·Filed 2016·Granted May 7, 2019·12 cites·18 claims
- 0489US9218339B2Computer-implemented systems and methods for content scoring of spoken responsesEDUCATIONAL TESTING SERVICE·Filed 2012·Granted Dec 22, 2015·15 cites·41 claims
- 0588US9928754B2Systems and methods for generating recitation itemsEDUCATIONAL TESTING SERVICE·Filed 2014·Granted Mar 27, 2018·7 cites·21 claims
- 0686US12249324B1Targeted content feedback in spoken language learning and assessmentEDUCATIONAL TESTING SERVICE·Filed 2021·Granted Mar 11, 2025·2 cites·20 claims
- 0786US7840404B2Method and system for using automatic generation of speech features to provide diagnostic feedbackEDUCATIONAL TESTING SERVICE·Filed 2007·Granted Nov 23, 2010·21 cites·25 claims
- 0883US10373047B2Deep convolutional neural networks for automated scoring of constructed responsesEDUCATIONAL TESTING SERVICE·Filed 2015·Granted Aug 6, 2019·5 cites·21 claims
- 0982US9652999B2Computer-implemented systems and methods for estimating word accuracy for automatic speech recognitionYOON SU-YOUN·Filed 2011·Granted May 16, 2017·13 cites·19 claims
- 1082US8392190B2Systems and methods for assessment of non-native spontaneous speechCHEN LEI·Filed 2009·Granted Mar 5, 2013·12 cites·42 claims
- 1179US8209173B2Method and system for the automatic generation of speech features for scoring high entropy speechBEJAR ISAAC·Filed 2008·Granted Jun 26, 2012·13 cites·21 claims
- 1278US7392187B2Method and system for the automatic generation of speech features for scoring high entropy speechEDUCATIONAL TESTING SERVICE·Filed 2004·Granted Jun 24, 2008·25 cites·2 claims
- 1377US9799228B2Systems and methods for natural language processing for speech content scoringEDUCATIONAL TESTING SERVICE·Filed 2014·Granted Oct 24, 2017·2 cites·24 claims
- 1476US11455999B1Detection of off-topic spoken responses using machine learningEDUCATIONAL TESTING SERVICE·Filed 2020·Granted Sep 27, 2022·1 cites·20 claims
- 1575US7778834B2Method and system for assessing pronunciation difficulties of non-native speakers by entropy calculationEDUCATIONAL TESTING SERVICE·Filed 2008·Granted Aug 17, 2010·9 cites·18 claims
- 1674US9704413B2Non-scorable response filters for speech scoring systemsEDUCATIONAL TESTING SERVICE·Filed 2015·Granted Jul 11, 2017·4 cites·20 claims
- 1766US11475273B1Deep convolutional neural networks for automated scoring of constructed responsesEDUCATIONAL TESTING SERVICE·Filed 2020·Granted Oct 18, 2022·0 cites·20 claims
- 1864US10755595B1Systems and methods for natural language processing for speech content scoringEDUCATIONAL TESTING SERVICE·Filed 2017·Granted Aug 25, 2020·1 cites·17 claims
- 1963US8990082B2Non-scorable response filters for speech scoring systemsYOON SU-YOUN·Filed 2012·Granted Mar 24, 2015·3 cites·15 claims
- 2061US9652991B2Systems and methods for content scoring of spoken responsesEDUCATIONAL TESTING SERVICE·Filed 2014·Granted May 16, 2017·0 cites·21 claims
- 2161US8478597B2Method and system for assessing pronunciation difficulties of non-native speakersHIGGINS DERRICK·Filed 2006·Granted Jul 2, 2013·4 cites·30 claims
- 2259US10628731B1Deep convolutional neural networks for automated scoring of constructed responsesEDUCATIONAL TESTING SERVICE·Filed 2019·Granted Apr 21, 2020·0 cites·20 claims
- 2351US9449522B2Systems and methods for evaluating difficulty of spoken textEDUCATIONAL TESTING SERVICE·Filed 2013·Granted Sep 20, 2016·0 cites·22 claims
- 2450US10867525B1Systems and methods for generating recitation itemsEDUCATIONAL TESTING SERVICE·Filed 2018·Granted Dec 15, 2020·0 cites·21 claims
- 2549US9361908B2Computer-implemented systems and methods for scoring concatenated speech responsesZECHNER KLAUS·Filed 2012·Granted Jun 7, 2016·0 cites·19 claims
- 2647US2014297277A1Systems and Methods for Automated Scoring of Spoken Language in Multiparty ConversationsEDUCATIONAL TESTING SERVICE·Filed 2014·Application pending·0 cites
- 2744US11854530B1Automated content feedback generation system for non-native spontaneous speechEDUCATIONAL TESTING SERVICE·Filed 2020·Granted Dec 26, 2023·0 cites·18 claims
- 2837US2011213610A1Processor Implemented Systems and Methods for Measuring Syntactic Complexity on Spontaneous Non-Native Speech Data by Using Structural Event DetectionCHEN LEI·Filed 2011·Application pending·0 cites
- 2935US9087519B2Computer-implemented systems and methods for evaluating prosodic features of speechZECHNER KLAUS·Filed 2012·Granted Jul 21, 2015·0 cites·35 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →