For the Inventor, By the Inventor

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Seoul, South Korea

Riiid Inc.

USPTO Granted Patents = 13

Trademarks = 7

Forward Citations = 2

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29 inventors (with patents filed for the assignee):

Jae We Heo (8 out of 8 patents)

Yeong Min Cha (5 out of 5 patents)

June Young Park (4 out of 4 patents)

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

5. Byung Soo Kim (3 out of 42 patents)

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

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

8. Hyun Bin Loh (2 out of 4 patents)

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

10. Soon Woo Kwon (2 out of 45 patents)

11. Jae Min Lee (2 out of 106 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 7 patents)

15. Jin Eon Baek (2 out of 2 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),

Riiid is an AI education company that provides personalized learning solutions using cutting-edge technology and data analytics. Their flagship product, Santa TOEIC, is a mobile application that helps students prepare for the TOEIC exam. Riiid aims to revolutionize the education industry through AI-driven adaptive learning.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

13 Patents

#267 in Seoul

#832 in South Korea

#43,644 in the World

Seoul, South Korea

Riiid Inc.

Forward Citations = 2

29 inventors:

Jae We Heo (8 out of 8 patents)

Yeong Min Cha (5 out of 5 patents)

June Young Park (4 out of 4 patents)

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

5. Byung Soo Kim (3 out of 42 patents)

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