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For the Inventor, By the Inventor

Seongnam, South Korea

Crucialtec Co.ltd


USPTO Granted Patents = 29

% Expired Patents = 24.1


Trademarks = 2

Forward Citations = 155

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49 inventors (with patents filed for the assignee):

goldMedal Jong Uk Kim (7 out of 7 patents)

silverMedal Woo Young Choi (5 out of 55 patents)

bronzeMedal Byung Seong Bae (5 out of 8 patents)

4.  Ho Sik Jeon (5 out of 6 patents)

5.  So Hyun Jeong (5 out of 5 patents)

6.  Ju An Yoon (5 out of 5 patents)

7.  Jun Suk Lee (5 out of 5 patents)

8.  Sang A Oh (5 out of 5 patents)

9.  Dong Hyun Oh (4 out of 71 patents)

10.  Yong Hee Han (4 out of 4 patents)

11.  Baek Bum Pyun (3 out of 3 patents)

12.  Dong Ho Lee (3 out of 55 patents)

13.  Seol Hee Park (3 out of 3 patents)

14.  Doo Hwan Lee (2 out of 48 patents)

15.  Ick Chan Jeong (2 out of 2 patents)


Core Competencies:
Biometric Terminal
Access Control
Fingerprint Detection
Touch Detection
Image Scanning
Fingerprint Recognition
Electronic Device
Sensing Area
Authentication
Cellular Phone Case
Optical Pointing Device
Sensor Pads

29 patents:

1. 11142948 - Access control apparatus (2021-10-12),
2. 10984621 - Access control apparatus (2021-04-20),
3. 10878262 - Multi biometric terminal and access control system having the same (2020-12-29),
4. 10726229 - Fingerprint detection device and driving method therefor (2020-07-28),
5. D857696 - Terminal for data processing device (2019-08-27),
6. 10354113 - Fingerprint detecting apparatus canceling offset and control method thereof (2019-07-16),
7. 10216340 - Touch detection device for improving touch detection and visibility and electronic device comprising same (2019-02-26),
8. 10083337 - Fingerprint detection device and driving method thereof (2018-09-25),
9. 9996179 - Display apparatus capable of image scanning and driving method thereof (2018-06-12),
10. 9934420 - Fingerprint information processing method and apparatus for speed improvement of fingerprint registration and authentication (2018-04-03),
11. 9927916 - Touch detection device with sensor pads having bar-shaped strips (2018-03-27),
12. 9891746 - Display apparatus capable of image scanning and driving method thereof (2018-02-13),
13. 9886616 - Method and apparatus for fingerprint recognition and authentication (2018-02-06),
14. 9864448 - Display apparatus capable of image scanning and driving method thereof (2018-01-09),
15. 9858465 - Electronic device comprising minimum sensing area and fingerprint information processing method thereof (2018-01-02),
Company Overview
Crucialtec Co., Ltd. is a South Korean company specializing in advanced touch technology and optical solutions. The organization focuses on the development and manufacturing of innovative touch sensors and display technologies, catering to various industries including consumer electronics and automotive. With a commitment to research and development, Crucialtec aims to enhance user interaction through its cutting-edge products, contributing to the evolution of smart devices and interactive systems globally.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

29 Patents

#26 in Seongnam

#470 in South Korea

#22,570 in the World

Seongnam, KR
Seongnam, South Korea

Crucialtec Co.ltd

Forward Citations = 155

49 inventors:

goldMedal Jong Uk Kim (7 out of 7 patents)

silverMedal Woo Young Choi (5 out of 55 patents)

bronzeMedal Byung Seong Bae (5 out of 8 patents)

4.  Ho Sik Jeon (5 out of 6 patents)

5.  So Hyun Jeong (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Crucialtec Co.ltd. Retrieved from https://idiyas.com/company/crucialtec-company

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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