% Expired Patents = 50.0

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Zhicong Song (2 out of 2 patents)

Rongqing Li (1 out of 1 patent)

Qicai Zhong (1 out of 1 patent)

4. Hui Chen (1 out of 26 patents)

2 patents: Sort by Forward Citations

1. 10737158 - Method and device for recognizing movement of tennis racket (2020-08-11),

2. 10363471 - Method and device for measuring speed of moving device (2019-07-30),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#2,028 in Shenzhen

#11,632 in China

Shenzhen, China

Shenzhen Coollang Cloud Computing Co., Ltd

Forward Citations = 1

4 inventors:

Zhicong Song (2 out of 2 patents)

Rongqing Li (1 out of 1 patent)

Qicai Zhong (1 out of 1 patent)

4. Hui Chen (1 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shenzhen Coollang Cloud Computing Co., Ltd. Retrieved from https://idiyas.com/company/shenzhen-coollang-cloud-computing-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]