Polyunion Textile (Shenzhen) Factory

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 50.0

EPO Patents = 5

Forward Citations = 102

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2 inventors (with patents filed for the assignee):

Lu Liu (1 out of 11 patents)

Chung Che Chiu (1 out of 1 patent)

Yongda Li (1 patent)

4. Chongzhe Qiu (0 patent)

2 patents: Sort by Forward Citations

1. 9732448 - Seamless filling woven tape unit, yarn tank transportation equipment and filling process thereof (2017-08-15),

2. 9528202 - Daisy chain (2016-12-27),

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USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#393 in Guangdong

#11,632 in China

Guangdong, China

Polyunion Textile (Shenzhen) Factory

Forward Citations = 102

2 inventors:

Lu Liu (1 out of 11 patents)

Chung Che Chiu (1 out of 1 patent)

Yongda Li (1 patent)

4. Chongzhe Qiu (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Polyunion Textile (Shenzhen) Factory. Retrieved from https://idiyas.com/company/polyunion-textile-shenzhen-factory

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]