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For the Inventor, By the Inventor

Seoul, South Korea

Ck Materials Lab Co., Ltd.


USPTO Granted Patents = 44


Trademarks = 3

Forward Citations = 57

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20 inventors (with patents filed for the assignee):

goldMedal Hyeong Jun Kim (44 out of 60 patents)

silverMedal Jong Hun Lee (26 out of 31 patents)

bronzeMedal Seoung Hun Do (15 out of 15 patents)

4.  Ji Goo Kang (10 out of 11 patents)

5.  Nam Seok Kim (7 out of 11 patents)

6.  Myung Sun Park (7 out of 11 patents)

7.  Jong Hyung Jung (6 out of 7 patents)

8.  Ki Suk Son (4 out of 4 patents)

9.  Jeong Beom Lee (3 out of 4 patents)

10.  Jeong Bum Lee (3 out of 3 patents)

11.  Min Kyu Choi (3 out of 9 patents)

12.  In Sik Jee (3 out of 3 patents)

13.  Cheol Hee Lee (2 out of 7 patents)

14.  Jeen Gi Kim (2 out of 3 patents)

15.  Dong Wook Kim (1 out of 70 patents)


Core Competencies:
Haptic Control Signal
Tactile Actuator
Flexible Tactile Actuator
Magnetic Fluid Display
Curved Haptic Actuator
Multi-Directional Actuating Module
Tactile Information Supply Module
Wireless Control Apparatus

44 patents:

1. 12325048 - Stereo tactile sensation providing device (2025-06-10),
2. 12299202 - Apparatus and method for providing haptic control signal (2025-05-13),
3. 12251731 - Haptic device and haptic module (2025-03-18),
4. 12251730 - Flexible tactile actuator (2025-03-18),
5. 12248634 - Apparatus and method for generating pattern data, and apparatus and method for reproducing pattern data (2025-03-11),
6. 12147619 - Method of evaluating magneto-rheological rotating load device (2024-11-19),
7. 12080155 - Haptic providing device and method for converting sound signal to haptic signal (2024-09-03),
8. 12073709 - Tactile information supply module (2024-08-27),
9. 12003196 - Button type actuator, button type actuator feedback system comprising same, and control method therefor (2024-06-04),
10. 11914779 - Apparatus and method for generating pattern data, and apparatus and method for reproducing pattern data (2024-02-27),
11. 11847262 - Apparatus and method for providing haptic control signal (2023-12-19),
12. 11798441 - Magnetic fluid display (2023-10-24),
13. 11760375 - Haptic information provision device (2023-09-19),
14. 11741799 - Curved haptic actuator and wearable device comprising same (2023-08-29),
15. 11714490 - Radial magnet actuator with moving mass having a magnet moving vertically and a coil (2023-08-01),
CK MATERIALS LAB CO., LTD. is a leading company specializing in materials testing and analysis services. With a team of highly skilled experts and state-of-the-art equipment, we provide comprehensive solutions for a wide range of industries, including manufacturing, construction, automotive, and electronics. Our services include materials characterization, failure analysis, quality control testing, and consulting. At CK MATERIALS LAB, we are committed to delivering accurate and reliable results to help our clients make informed decisions and ensure the highest quality for their products and materials.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

44 Patents

#104 in Seoul

#335 in South Korea

#15,298 in the World

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Seoul, South Korea

Ck Materials Lab Co., Ltd.

Forward Citations = 57

20 inventors:

goldMedal Hyeong Jun Kim (44 out of 60 patents)

silverMedal Jong Hun Lee (26 out of 31 patents)

bronzeMedal Seoung Hun Do (15 out of 15 patents)

4.  Ji Goo Kang (10 out of 11 patents)

5.  Nam Seok Kim (7 out of 11 patents)

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