Klaus Zechner — 27 Patents at Educational Testing Service

Klaus Zechner has been granted 27 US patents while listed as an inventor at Educational Testing Service. The first was granted in 2008 and the most recent in March 2025. Klaus Zechner ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Klaus Zechner in Princeton, NJ, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date
12249324	Targeted content feedback in spoken language learning and assessment	Xinhao Wang, Christopher Hamill	2025-03-11
11854530	Automated content feedback generation system for non-native spontaneous speech	Su-Youn Yoon, Ching-Ni Hsieh, Matthew Mulholland, Yuan-Fang Wang	2023-12-26
11475273	Deep convolutional neural networks for automated scoring of constructed responses	Derrick Higgins, Lei Chen, Michael Heilman, Nitin Madnani	2022-10-18
11455999	Detection of off-topic spoken responses using machine learning	Xinhao Wang, Su-Youn Yoon, Keelan Evanini, Yao Qian	2022-09-27
11417339	Detection of plagiarized spoken responses using machine learning	Xinhao Wang, Keelan Evanini, Yao Qian	2022-08-16
10867525	Systems and methods for generating recitation items	Su-Youn Yoon, Lei Chen, Keelan Evanini	2020-12-15
10755595	Systems and methods for natural language processing for speech content scoring	Lei Chen, Anastassia Loukina	2020-08-25
10628731	Deep convolutional neural networks for automated scoring of constructed responses	Derrick Higgins, Lei Chen, Michael Heilman, Nitin Madnani	2020-04-21
10373047	Deep convolutional neural networks for automated scoring of constructed responses	Derrick Higgins, Lei Chen, Michael Heilman, Nitin Madnani	2019-08-06
10283142	Processor-implemented systems and methods for determining sound quality	Zhou Yu, Vikram Ramanarayanan, David Suendermann-Oeft, Xinhao Wang, Lei Chen +2 more	2019-05-07
9928754	Systems and methods for generating recitation items	Su-Youn Yoon, Lei Chen, Keelan Evanini	2018-03-27
9799228	Systems and methods for natural language processing for speech content scoring	Lei Chen, Anastassia Loukina	2017-10-24
9704413	Non-scorable response filters for speech scoring systems	Su-Youn Yoon, Derrick Higgins, Shasha Xie, Je Hun Jeon, Keelan Evanini +2 more	2017-07-11
9652999	Computer-implemented systems and methods for estimating word accuracy for automatic speech recognition	Su-Youn Yoon, Lei Chen	2017-05-16
9652991	Systems and methods for content scoring of spoken responses	Xinhao Wang, Shasha Xie	2017-05-16
9449522	Systems and methods for evaluating difficulty of spoken text	Su-Youn Yoon, Yeonsuk Cho, Diane Napolitano	2016-09-20
9361908	Computer-implemented systems and methods for scoring concatenated speech responses	Su-Youn Yoon, Lei Chen, Shasha Xie, Xiaoming Xi, Chaitanya Ramineni	2016-06-07
9218339	Computer-implemented systems and methods for content scoring of spoken responses	Keelan Evanini, Lei Chen, Shasha Xie, Wenting Xiong, Fei Huang +2 more	2015-12-22
9177558	Systems and methods for assessment of non-native spontaneous speech	Lei Chen, Xiaoming Xi	2015-11-03
9087519	Computer-implemented systems and methods for evaluating prosodic features of speech	Xiaoming Xi	2015-07-21
8990082	Non-scorable response filters for speech scoring systems	Su-Youn Yoon, Derrick Higgins, Shasha Xie, Je Hun Jeon, Keelan Evanini	2015-03-24
8478597	Method and system for assessing pronunciation difficulties of non-native speakers	Derrick Higgins, Yoko Futagi, Rene Lawless	2013-07-02
8392190	Systems and methods for assessment of non-native spontaneous speech	Lei Chen, Xiaoming Xi	2013-03-05
8209173	Method and system for the automatic generation of speech features for scoring high entropy speech	Isaac Bejar	2012-06-26
7840404	Method and system for using automatic generation of speech features to provide diagnostic feedback	Xiaoming Xi, Isaac Bejar	2010-11-23

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Klaus Zechner — 27 Patents

Issued Patents All Time

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