% Expired Patents = 100.0

EPO Patents = 5

Trademarks = 1

Forward Citations = 43

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17 inventors (with patents filed for the assignee):

Wei Liu (3 out of 83 patents)

Daxing Xu (2 out of 3 patents)

Xiang Gao (1 out of 82 patents)

4. Ping Wang (1 out of 118 patents)

5. Xin Ye (1 out of 7 patents)

6. Peng Hu (1 out of 28 patents)

7. Lin Jia (1 out of 2 patents)

8. Guangwen Yan (1 out of 1 patent)

9. Lili Liu (1 out of 7 patents)

10. Zhilu Yu (1 out of 1 patent)

11. Dacai Chen (1 out of 2 patents)

12. Tongxin Qi (1 out of 2 patents)

13. Jiye Lei (1 out of 1 patent)

14. Xuechao Jiang (1 out of 1 patent)

15. Zhongmin Cao (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8627100 - Separate type mass data encryption/decryption apparatus and implementing method therefor (2014-01-07),

2. 8594570 - Telecommunication intelligent card and method for signaling interaction with external non-contact card (2013-11-26),

3. 8589216 - Intelligent charging system and method for use in a parking lot (2013-11-19),

4. 8266619 - Embedded operating system architecture for smart card (2012-09-11),

5. 8255706 - Dual usage smart card of CPU and logical encryption and its data synchronization method (2012-08-28),

6. 7999697 - WLAN-based no-stop electronic toll collection system and the implementation thereof (2011-08-16),

7. 7742009 - Antenna for the plug-in dual-interface smart card (2010-06-22),

8. 7734707 - Don't disturb service management system and implementation thereof (2010-06-08),

Company Overview

Beijing Watch Data System Co., Ltd. is a leading provider of data management solutions in China. Established in 2005, the company specializes in developing innovative software and systems for businesses to organize and analyze their data effectively. Their solutions cater to a wide range of industries including finance, healthcare, and e-commerce. With a strong focus on research and development, Beijing Watch Data System Co., Ltd. is committed to empowering businesses with cutting-edge technology to drive growth and success.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#343 in Beijing

#3,471 in China

Beijing, China

Beijing Watch Data System Co., Ltd.

Forward Citations = 43

17 inventors:

Wei Liu (3 out of 83 patents)

Daxing Xu (2 out of 3 patents)

Xiang Gao (1 out of 82 patents)

4. Ping Wang (1 out of 118 patents)

5. Xin Ye (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Beijing Watch Data System Co., Ltd.. Retrieved from https://idiyas.com/company/beijing-watch-data-system-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]

5 patents (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]