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Gyeonggi-do, South Korea

Line Plus Corporation

USPTO Granted Patents = 139

Forward Citations = 125

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158 inventors (with patents filed for the assignee):

Hyukjae Jang (15 out of 20 patents)

Na Young Kim (9 out of 75 patents)

Jihun Im (9 out of 9 patents)

4. Seo Hyun Cho (9 out of 9 patents)

5. Sungwhan Kim (8 out of 9 patents)

6. Chaewon Jung (8 out of 8 patents)

7. Eun Jung Joung (7 out of 7 patents)

8. Joonsick Baick (7 out of 8 patents)

9. Keumryong Kim (7 out of 7 patents)

10. Hyun Jung Lee (7 out of 8 patents)

11. Jungnam Gwock (6 out of 6 patents)

12. Jay Lee (6 out of 7 patents)

13. Donghyun Kim (6 out of 15 patents)

14. Sanghyuk Suh (6 out of 7 patents)

15. Min Hwang (6 out of 6 patents)

Core Competencies:

Chatbot

Virtual Content

Video Call

Messaging Application

Avatar

Instant Messaging

User Interface

Content Sharing

Digital Currency

3D Chatroom

Emotion Expression

Deep Learning

139 patents: Sort by Forward Citations

1. 12748767 - Method and system for configuring retrieval-augmented generation (2026-09-29),

2. 12731165 - Method and system for displaying sponsored content in user profile area (2026-09-08),

3. 12724986 - Methods, systems, and non-transitory computer-readable record media to provide translation result of conversation message (2026-09-01),

4. 12689604 - Method, computer device, and non-transitory computer-readable storage medium for keeping messages (2026-07-21),

5. 12675640 - Method and system for searching for media message using keyword extracted from media file (2026-07-07),

6. 12651206 - Method, system, and non-transitory computer-readable recording medium for managing multiple federated learning models mounted on devices (2026-06-09),

7. 12645772 - Method, computer device, and non-transitory computer-readable recording medium to manage content for user account (2026-06-02),

8. 12608391 - Method and system for advanced retrieval-augmented generation through metadata extraction and retrieval engine mixing (2026-04-21),

9. 12562077 - Method, computing device, and non-transitory computer-readable recording medium to translate audio of video into sign language through avatar (2026-02-24),

10. 12549501 - Method, computer device, and non-transitory computer-readable record medium to display activity time information for chatroom (2026-02-10),

11. D1100914 - Display panel with a graphical user interface (2025-11-04),

12. 12464202 - Method and apparatus for assisting watching video content (2025-11-04),

13. 12450853 - Method and system for generating virtual content (2025-10-21),

14. D1087144 - Display panel with a graphical user interface (2025-08-05),

15. D1086199 - Display screen or portion thereof with graphical user interface (2025-07-29),

Company Overview

Line Plus Corporation, based in Gyeonggi-do, South Korea, specializes in advanced chatbot technology and virtual content solutions. The company focuses on developing innovative messaging applications that enhance user interaction through features such as video calls, instant messaging, and content sharing. With a strong emphasis on user interface design and avatar integration, Line Plus aims to create engaging digital experiences that cater to the evolving needs of users in the communication landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

139 Patents

#13 in Gyeonggi-do

#156 in South Korea

#5,829 in the World

Gyeonggi-do, South Korea

Line Plus Corporation

Forward Citations = 125

158 inventors:

Hyukjae Jang (15 out of 20 patents)

Na Young Kim (9 out of 75 patents)

Jihun Im (9 out of 9 patents)

4. Seo Hyun Cho (9 out of 9 patents)

5. Sungwhan Kim (8 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Line Plus Corporation. Retrieved from https://idiyas.com/company/line-plus

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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