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Seoul, South Korea

Riiid Inc.

USPTO Granted Patents = 13

Trademarks = 7

Forward Citations = 3

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29 inventors (with patents filed for the assignee):

Jae We Heo (8 out of 9 patents)

Yeong Min Cha (5 out of 5 patents)

June Young Park (4 out of 6 patents)

4. Young Jun Jang (3 out of 3 patents)

5. Byung Soo Kim (3 out of 44 patents)

6. Dong Min Shin (3 out of 4 patents)

7. Young Duck Choi (3 out of 4 patents)

8. Hyun Bin Loh (2 out of 6 patents)

9. Min Sung Noh (2 out of 2 patents)

10. Soon Woo Kwon (2 out of 46 patents)

11. Jae Min Lee (2 out of 110 patents)

12. Kyung Hoon Kim (2 out of 42 patents)

13. Jin Seo Yoon (2 out of 2 patents)

14. Jung Hyun Cho (2 out of 8 patents)

15. Jin Eon Baek (2 out of 3 patents)

13 patents: Sort by Forward Citations

1. 12488196 - Method of learning task model and language model, and learning device for performing the same (2025-12-02),

2. 12424122 - Deep learning-based pedagogical word recommendation system for predicting and improving vocabulary skills of foreign language learners (2025-09-23),

3. 12417392 - Apparatus and system for training knowledge tracking model based on data augmentation and operation method thereof (2025-09-16),

4. 12417372 - System for predicting user drop-out rate and tracking user knowledge based on artificial intelligence learning and method therefor (2025-09-16),

5. 12406148 - Method, device, and system for tracking dialogue state (2025-09-02),

6. 12394328 - Pre-training modeling system and method for predicting educational element (2025-08-19),

7. 12373905 - Method of recommending preceding educational content and educational content recommendation device for recommending preceding educational content (2025-07-29),

8. 11823593 - Method for displaying learning content of terminal and application program therefor (2023-11-21),

9. 11704578 - Machine learning method, apparatus, and computer program for providing personalized educational content based on learning efficiency (2023-07-18),

10. 11417232 - Method, apparatus, and computer program for operating machine-learning framework (2022-08-16),

11. 11322036 - Method for displaying learning content of terminal and application program therefor (2022-05-03),

12. 11238749 - Method, apparatus, and computer program for providing personalized educational content (2022-02-01),

13. 10909871 - Method, apparatus, and computer program for operating machine-learning framework (2021-02-02),

Company Overview

Riiid Inc. is a pioneering technology company based in Seoul, South Korea, specializing in artificial intelligence and educational technology. The organization focuses on developing innovative learning solutions that leverage AI to personalize educational experiences, enhancing student engagement and outcomes. Riiid's research encompasses adaptive learning systems and data analytics, aiming to transform traditional education through technology-driven insights and methodologies, ultimately contributing to the evolution of the global education landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#318 in Seoul

#876 in South Korea

#45,039 in the World

Seoul, South Korea

Riiid Inc.

Forward Citations = 3

29 inventors:

Jae We Heo (8 out of 9 patents)

Yeong Min Cha (5 out of 5 patents)

June Young Park (4 out of 6 patents)

4. Young Jun Jang (3 out of 3 patents)

5. Byung Soo Kim (3 out of 44 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Riiid Inc.. Retrieved from https://idiyas.com/company/riiid

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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