Shenzhen Qianhai Sourcebrella Inc. Ltd.

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USPTO Granted Patents = 1

Forward Citations = 0

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4 inventors (with patents filed for the assignee):

Xiao Xiao (1 out of 74 patents)

Qingkai Shi (1 out of 1 patent)

Jinguo Zhou (1 out of 1 patent)

4. Gang Fan (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 10642584 - Defect detection method, device, system and computer readable medium (2020-05-05),

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USPTO Data Jan 1 1976 - Oct 27 2026

1 Patents

#3,307 in Shenzhen

#18,836 in China

Shenzhen, China

Shenzhen Qianhai Sourcebrella Inc. Ltd.

Forward Citations = 0

4 inventors:

Xiao Xiao (1 out of 74 patents)

Qingkai Shi (1 out of 1 patent)

Jinguo Zhou (1 out of 1 patent)

4. Gang Fan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shenzhen Qianhai Sourcebrella Inc. Ltd.. Retrieved from https://idiyas.com/company/shenzhen-qianhai-sourcebrella

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]