% Expired Patents = 57.1

EPO Patents = 1

Forward Citations = 24

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12 inventors (with patents filed for the assignee):

Joonsang Choi (4 out of 4 patents)

Jaehyeong Kim (3 out of 8 patents)

Jungnam Yun (3 out of 3 patents)

4. Kyung-Woo Kim (1 out of 9 patents)

5. Joo-Young Baek (1 out of 4 patents)

6. Young-Joo Suh (1 out of 2 patents)

7. Sok-Hyong Kim (1 out of 1 patent)

8. Jeong-Yoon Lee (1 out of 1 patent)

9. Ik-soo Bae (1 out of 1 patent)

10. Hyung-min Ban (1 out of 1 patent)

11. Kyu-woong Kim (1 out of 1 patent)

12. Cha-Gyun Jeong (1 out of 1 patent)

13. Min-Kon Kwak (3 patents)

14. Joo-Young c/o Pohang University Science And Technology Baek (0 patent)

15. Young-Joo Suh (0 patent)

7 patents: Sort by Forward Citations

1. 8320330 - Service zone switching method based on load considering inter-cell interference in 802.16/WIBRO systems (2012-11-27),

2. 8000888 - System and method for information supplying service (2011-08-16),

3. 7649963 - Apparatus for estimating and compensating carrier frequency offset and data receiving method in receiver of wireless communication system (2010-01-19),

4. 7639754 - Method of detecting a frame boundary of a received signal in digital communication system and apparatus of enabling the method (2009-12-29),

5. 7616679 - Method and apparatus for searching cells utilizing down link preamble signal (2009-11-10),

6. 7586991 - Method and apparatus for calculating likelihood metric of a received signal in a digital communication system (2009-09-08),

7. 7133450 - Method and devices for digital video signal compression and multi-screen process by multi-thread scaling (2006-11-07),

Company Overview

Posdata Company Ltd. is a leading provider of innovative technology solutions for businesses. We specialize in providing advanced POS systems, barcode scanners, mobile computing devices, and other retail technology products. With a strong focus on customer satisfaction, Posdata is committed to delivering high-quality products and exceptional service to help businesses streamline operations and enhance efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#10 in Gyeonggi

#1,435 in South Korea

Gyeonggi, South Korea

Posdata Company Ltd.

Forward Citations = 24

12 inventors:

Joonsang Choi (4 out of 4 patents)

Jaehyeong Kim (3 out of 8 patents)

Jungnam Yun (3 out of 3 patents)

4. Kyung-Woo Kim (1 out of 9 patents)

5. Joo-Young Baek (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Posdata Company Ltd.. Retrieved from https://idiyas.com/company/posdata-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]

1 patent (EPO):

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]