Patent Assignment
Reel/Frame 075025/0276
Change of Name
Recorded: 2026-02-27
Pages: 60
Assignor
RIIID INC.
Executed: 2025-09-01
Assignee
SOCRA AI INC.
424, TEHERAN-RO, GANGNAM-GU, SEOUL, KOREA, REPUBLIC OF
Covered Properties
(21)
Learning Content Recommendation System for Predicting Probability of Correct Answer of User Using Collaborative Filtering Based on Latent Factor and Operation Method Thereof
Application:
17/646,928 →
Publication:
US 2022/0215255
Learning Content Evaluation Apparatus, System, and Operation Method for Evaluating Problem Based on Predicted Probability of Correct Answer for Problem Content Added Without Solving Experience
Application:
17/571,960 →
Publication:
US 2022/0222553
Device and Method for Recommending Educational Content
Application:
17/859,097 →
Publication:
US 2023/0020808
Method, Device, and System for Evaluation a Learning Ability of an User Based on Search Information of the User
Application:
17/854,134 →
Publication:
US 2023/0004752
Method, Device, and System for Recommending Solution Content Maximizing an Educational Effect for Users
Application:
17/854,621 →
Publication:
US 2023/0005382
Task Scheduling Based on Ratio of Tasks for Automated Machine Learning
Method and Apparatus for Predicting Test Scores
Application:
17/869,375 →
Publication:
US 2023/0024169
Holistic Student Assessment Framework Based on Multi-Task Learning
Learning Skill Evaluation Method, Apparatus, and System
Application:
18/080,316 →
Publication:
US 2023/0186088
Artificial Intelligence Learning-Based User Knowledge Tracing System and Operating Method Thereof
Application:
17/177,196 →
Publication:
US 2021/0256354
Learning Content Recommendation System Based on Artificial Intelligence Learning and Operating Method Thereof
Application:
17/343,735 →
Publication:
US 2022/0398486
Apparatus, System, and Operation Method Thereof for Evaluating Skill of User Through Artificial Intelligence Model Trained Through Transferrable Feature Applied to Plural Test Domains
Application:
17/710,143 →
Publication:
US 2022/0318941
Device and Method for Recommending Educational Content
Application:
17/853,015 →
Publication:
US 2023/0005383
Method of Training Neural Network Model for Calculating Learning Ability and Method of Calculating Learning Ability of User
Application:
17/859,085 →
Publication:
US 2023/0011613
Method and Apparatus for Pre-Training Artificial Intelligence Models
Application:
17/776,798 →
Publication:
US 2024/0169249
Deep Learning-Based Pedagogical Word Recommendation Method for Predicting and Improving Vocabulary Skills of Foreign Language Learners
Method of Reducing Size of Model for Knowledge Tracing
Application:
17/968,095 →
Publication:
US 2023/0122639
Method of Recommending Diagnostic Test for User Evaluation
Application:
17/973,320 →
Publication:
US 2023/0127627
Method and Apparatus for Patch-Level Supervised Contrastive Learning to Learn Temporal Presentation
Application:
18/177,846 →
Publication:
US 2024/0256881
Learning Content Recommendation Apparatus, System, and Operation Method Thereof for Determining Recommendation Question by Reflecting Learning Effect of User
Application:
17/476,443 →
Publication:
US 2022/0084428
Method and Device for Providing Training Content Using Ai Tutor
Application:
17/427,595 →
Publication:
US 2023/0103617
Related Assignments
(22)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 23, 2021
From: CHOI, YOUNG DUCK; LEE, YOUNG NAM; CHO, JUNG HYUN; BAEK, JIN EON
To: RIIID INC.
Reel/Frame 055376/0534 →
Assignment of Assignor's Interest
Jun 10, 2021
From: LEE, YOUNG NAM; CHOI, YOUNG DUCK; CHO, JUNG HYUN; LOH, HYUN BIN
To: RIIID INC.
Reel/Frame 056506/0598 →
Assignment of Assignor's Interest
Aug 26, 2021
From: CHOI, YOUNG DUCK; SUN, YUN AH; NOH, MIN SUNG; YOON, YOUNG JIK
To: RIIID INC.
Reel/Frame 057303/0552 →
Assignment of Assignor's Interest
Dec 31, 2021
From: LOH, HYUN BIN
To: RIIID INC.
Reel/Frame 058513/0197 →
Assignment of Assignor's Interest
Jan 4, 2022
From: BAE, CHAN; BAEK, JIN EON
To: RIIID INC.
Reel/Frame 058542/0503 →
Assignment of Assignor's Interest
Jan 10, 2022
From: BAE, CHAN; SUN, YUN AH; PARK, JUNE YOUNG
To: RIIID INC.
Reel/Frame 058683/0874 →
Assignment of Assignor's Interest
Jun 21, 2022
From: PARK, JUNE YOUNG; SHIN, JAE MIN
To: RIIID INC.
Reel/Frame 060263/0888 →
Assignment of Assignor's Interest
Jun 29, 2022
From: LOH, HYUN BIN
To: RIIID INC.
Reel/Frame 060355/0200 →
Assignment of Assignor's Interest
Jun 30, 2022
From: LOH, HYUN BIN
To: RIIID INC.
Reel/Frame 060371/0523 →
Assignment of Assignor's Interest
Jun 30, 2022
From: LOH, HYUN BIN
To: RIIID INC.
Reel/Frame 060369/0619 →
Assignment of Assignor's Interest
Jul 5, 2022
From: LOH, HYUN BIN; HWANG, CHAN YOU; KIM, JUNG HOON
To: RIIID INC.
Reel/Frame 060403/0152 →
Assignment of Assignor's Interest
Jul 5, 2022
From: KIM, BYUNG SOO
To: RIIID INC.
Reel/Frame 060402/0638 →
Assignment of Assignor's Interest
Jul 7, 2022
From: LOH, HYUN BIN
To: RIIID INC.
Reel/Frame 060614/0303 →
Assignment of Assignor's Interest
Jul 7, 2022
From: LOH, HYUN BIN
To: RIIID INC.
Reel/Frame 060428/0397 →
Assignment of Assignor's Interest
Jul 13, 2022
From: KIM, WAN SOO
To: RIIID INC.
Reel/Frame 060496/0602 →
Assignment of Assignor's Interest
Jul 21, 2022
From: YU, HAN GYEOL
To: RIIID INC.
Reel/Frame 060582/0339 →
Assignment of Assignor's Interest
Oct 11, 2022
From: KIM, JUNG HOON
To: RIIID INC.
Reel/Frame 061375/0648 →
Assignment of Assignor's Interest
Oct 18, 2022
From: KIM, KYU SEOK
To: RIIID INC.
Reel/Frame 061457/0251 →
Assignment of Assignor's Interest
Nov 4, 2022
From: KIM, KYU SEOK; KIM, MIN SAM
To: RIIID INC.
Reel/Frame 061664/0121 →
Assignment of Assignor's Interest
Dec 14, 2022
From: KIM, MIN SAM; PARK, JUNE YOUNG; BAE, CHAN; BAEK, JIN EON
To: RIIID INC.
Reel/Frame 062086/0053 →
Assignment of Assignor's Interest
Mar 6, 2023
From: PARK, JUNG BAE
To: RIIID INC.
Reel/Frame 062886/0753 →
Change of Name
Feb 18, 2026
From: RIIID INC.
To: SOCRA AI INC.
Reel/Frame 074906/0011 →