For the Inventor, By the Inventor

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Seoul, South Korea

Cj 4Dplex Co., Ltd.

USPTO Granted Patents = 9

% Expired Patents = 22.2

CIPO Patents = 1

EPO Patents = 3

Trademarks = 22

Forward Citations = 11

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15 inventors (with patents filed for the assignee):

Hyun Young Park (3 out of 8 patents)

Myung Chul Kim (3 out of 3 patents)

Jin Yong Park (2 out of 35 patents)

4. Hyung Jin Tak (2 out of 2 patents)

5. Jae Sung Choi (2 out of 38 patents)

6. Hyukju Kwon (1 out of 1 patent)

7. Hyuk Ju Kwon (1 out of 1 patent)

8. Chang Woo Nam (1 out of 3 patents)

9. Tae Young Ku (1 out of 1 patent)

10. Ju Whan Kim (1 out of 1 patent)

11. Sang Hee Park (1 out of 10 patents)

12. Hyoung Woo Lee (1 out of 1 patent)

13. Jong Su Choi (1 out of 1 patent)

14. Kyoung Hwan Kim (1 out of 3 patents)

15. Min Jong Kim (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 10743019 - Motion control system and method using detection of motion in a video (2020-08-11),

2. 10702068 - Control system and method for controlling motion chair based on physical data of audience (2020-07-07),

3. 10315125 - Motion chair and motion chair control system (2019-06-11),

4. 10226125 - Effect control system of screening facility chair and method thereof (2019-03-12),

5. 10066714 - Drive apparatus of chair assembly for 4D theater (2018-09-04),

6. 9830949 - Method and system for providing 4D content production service and content production apparatus therefor (2017-11-28),

7. 9764232 - System for showing image having game function (2017-09-19),

8. 9155389 - System for controlling seat effect for facility of showing pictures (2015-10-13),

9. 9007523 - System and method for controlling motion using time synchronization between picture and motion (2015-04-14),

CJ 4DPLEX Co., Ltd. is a leading cinema technology company that provides innovative and immersive movie-viewing experiences. The company is renowned for its successful development of 4DX technology, which enhances films with motion, vibration, water, wind, light, scents, and more to engage all five senses. CJ 4DPLEX continues to shape the future of cinema with cutting-edge technologies and partnerships with major film studios.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

9 Patents

#433 in Seoul

#1,182 in South Korea

Seoul, South Korea

Cj 4Dplex Co., Ltd.

Forward Citations = 11

15 inventors:

Hyun Young Park (3 out of 8 patents)

Myung Chul Kim (3 out of 3 patents)

Jin Yong Park (2 out of 35 patents)

4. Hyung Jin Tak (2 out of 2 patents)

5. Jae Sung Choi (2 out of 38 patents)

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