Assignee
RIIID INC
KR·13 granted patents·35 pending applications·4 citations·filing 2016–2025
Top patents by PatentIndex Score
48 records- 0182US2025384786A1Deep learning-based pedagogical word recommendation system for predicting and improving vocabulary skills of foreign language learnersRIIID INC·Filed 2025·Application pending·0 cites
- 0272US11322036B2Method for displaying learning content of terminal and application program thereforRIIID INC·Filed 2017·Granted May 3, 2022·2 cites·16 claims
- 0368US2024256881A1Method and apparatus for patch-level supervised contrastive learning to learn temporal presentationRIIID INC·Filed 2023·Application pending·0 cites
- 0467US12424122B2Deep learning-based pedagogical word recommendation system for predicting and improving vocabulary skills of foreign language learnersRIIID INC·Filed 2022·Granted Sep 23, 2025·0 cites·8 claims
- 0565US11823593B2Method for displaying learning content of terminal and application program thereforRIIID INC·Filed 2022·Granted Nov 21, 2023·0 cites·18 claims
- 0662US11238749B2Method, apparatus, and computer program for providing personalized educational contentRIIID INC·Filed 2016·Granted Feb 1, 2022·1 cites·4 claims
- 0762US2023112222A1Holistic student assessment framework based on multi-task learningRIIID INC·Filed 2022·Application pending·0 cites
- 0861US10909871B2Method, apparatus, and computer program for operating machine-learning frameworkRIIID INC·Filed 2017·Granted Feb 2, 2021·1 cites·2 claims
- 0959US11417232B2Method, apparatus, and computer program for operating machine-learning frameworkRIIID INC·Filed 2021·Granted Aug 16, 2022·0 cites·1 claims
- 1059US2022406216A1Deep learning-based pedagogical word recommendation method for predicting and improving vocabulary skills of foreign language learnersRIIID INC·Filed 2022·Application pending·0 cites
- 1158US2023066320A1Automated machine learning for pre-trainingRIIID INC·Filed 2022·Application pending·0 cites
- 1258US2023122639A1Method of reducing size of model for knowledge tracingRIIID INC·Filed 2022·Application pending·0 cites
- 1357US2023024169A1Method and apparatus for predicting test scoresRIIID INC·Filed 2022·Application pending·0 cites
- 1456US2024169249A1Method and apparatus for pre-training artificial intelligence modelsRIIID INC·Filed 2022·Application pending·0 cites
- 1554US12488196B2Method of learning task model and language model, and learning device for performing the sameRIIID INC·Filed 2023·Granted Dec 2, 2025·0 cites·5 claims
- 1654US2023044296A1Method and apparatus for providing user with learning journeyRIIID INC·Filed 2022·Application pending·0 cites
- 1753US2022318941A1Apparatus, system, and operation method thereof for evaluating skill of user through artificial intelligence model trained through transferrable feature applied to plural test domainsRIIID INC·Filed 2022·Application pending·0 cites
- 1852US2023020808A1Device and method for recommending educational contentRIIID INC·Filed 2022·Application pending·0 cites
- 1951US12417392B2Apparatus and system for training knowledge tracking model based on data augmentation and operation method thereofRIIID INC·Filed 2022·Granted Sep 16, 2025·0 cites·6 claims
- 2051US2023005383A1Device and method for recommending educational contentRIIID INC·Filed 2022·Application pending·0 cites
- 2151US2023127627A1Method of recommending diagnostic test for user evaluationRIIID INC·Filed 2022·Application pending·0 cites
- 2250US2023015759A1Task scheduling method for automated machine learningRIIID INC·Filed 2022·Application pending·0 cites
- 2350US2024020346A1Device and method for recommending educational content based on user's search informationRIIID INC·Filed 2023·Application pending·0 cites
- 2450US2022122481A1User Knowledge Tracking Device, System, and Operation Method thereof Based on Artificial Intelligence LearningRIIID INC·Filed 2021·Application pending·0 cites
- 2549US12394328B2Pre-training modeling system and method for predicting educational elementRIIID INC·Filed 2021·Granted Aug 19, 2025·0 cites·6 claims
- 2649US2022013030A1Extended service-providing system and method for providing artificial intelligence prediction results for extended education contents through api access interface serverRIIID INC·Filed 2021·Application pending·0 cites
- 2749US2023011613A1Method of training neural network model for calculating learning ability and method of calculating learning ability of userRIIID INC·Filed 2022·Application pending·0 cites
- 2849US2022157188A1Learning problem recommendation system for recommending evaluable problems through unification of forms of score probability distribution and method of operating the sameRIIID INC·Filed 2021·Application pending·0 cites
- 2949US2023056570A1Device and method for assessing learning ability of userRIIID INC·Filed 2022·Application pending·0 cites
- 3048US12417372B2System for predicting user drop-out rate and tracking user knowledge based on artificial intelligence learning and method thereforRIIID INC·Filed 2021·Granted Sep 16, 2025·0 cites·14 claims
- 3148US2019377996A1Method, device and computer program for analyzing dataRIIID INC·Filed 2017·Application pending·0 cites
- 3246US2022405575A1System for predicting user drop-out rate based on artificial intelligence learning and method thereforRIIID INC·Filed 2021·Application pending·0 cites
- 3346US2021256354A1Artificial intelligence learning-based user knowledge tracing system and operating method thereofRIIID INC·Filed 2021·Application pending·0 cites
- 3446US2023103617A1Method and device for providing training content using ai tutorRIIID INC·Filed 2021·Application pending·0 cites
- 3545US2022222553A1Learning content evaluation apparatus, system, and operation method for evaluating problem based on predicted probability of correct answer for problem content added without solving experienceRIIID INC·Filed 2022·Application pending·0 cites
- 3645US2023186088A1Learning skill evaluation method, apparatus, and systemRIIID INC·Filed 2022·Application pending·0 cites
- 3744US2022398486A1Learning content recommendation system based on artificial intelligence learning and operating method thereofRIIID INC·Filed 2021·Application pending·0 cites
- 3843US12373905B2Method of recommending preceding educational content and educational content recommendation device for recommending preceding educational contentRIIID INC·Filed 2022·Granted Jul 29, 2025·0 cites·8 claims
- 3943US2022012638A1User score prediction method, device, and system for predicting user score through multi-dimensional pairwise comparisonRIIID INC·Filed 2021·Application pending·0 cites
- 4042US12406148B2Method, device, and system for tracking dialogue stateRIIID INC·Filed 2023·Granted Sep 2, 2025·0 cites·8 claims
- 4142US11704578B2Machine learning method, apparatus, and computer program for providing personalized educational content based on learning efficiencyRIIID INC·Filed 2019·Granted Jul 18, 2023·0 cites·6 claims
- 4241US2023004752A1Method, device, and system for evaluation a learning ability of an user based on search information of the userRIIID INC·Filed 2022·Application pending·0 cites
- 4341US2023005382A1Method, device, and system for recommending solution content maximizing an educational effect for usersRIIID INC·Filed 2022·Application pending·0 cites
- 4441US2023004605A1Method, device, and system for recommending an web page content maximizing an educational effect for usersRIIID INC·Filed 2022·Application pending·0 cites
- 4540US2022215255A1Learning content recommendation system for predicting probability of correct answer of user using collaborative filtering based on latent factor and operation method thereofRIIID INC·Filed 2022·Application pending·0 cites
- 4639US2021233191A1Method, apparatus and computer program for operating a machine learning framework with active learning techniqueRIIID INC·Filed 2020·Application pending·0 cites
- 4735US2021043101A1Method and device for providing learning content using ai tutorRIIID INC·Filed 2018·Application pending·0 cites
- 4834US2020193317A1Method, device and computer program for estimating test scoreRIIID INC·Filed 2017·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →