% Expired Patents = 50.0

Forward Citations = 1

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4 inventors (with patents filed for the assignee):

Xiaohong Sheng (2 out of 28 patents)

Xiaoxia Sheng (2 out of 30 patents)

Jianfeng Zheng (1 out of 3 patents)

4. Zhonghua Zhang (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 9708301 - Crystalline forms of afatinib monomaleate, preparation methods and pharmaceutical compositions thereof (2017-07-18),

2. 9518059 - Inhibitor crystalline form and preparation method and use thereof (2016-12-13),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#322 in Hangzhou

#11,632 in China

Hangzhou, China

Hangzhou Pushai Pharmaceutical Technology

Forward Citations = 1

4 inventors:

Xiaohong Sheng (2 out of 28 patents)

Xiaoxia Sheng (2 out of 30 patents)

Jianfeng Zheng (1 out of 3 patents)

4. Zhonghua Zhang (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hangzhou Pushai Pharmaceutical Technology. Retrieved from https://idiyas.com/company/hangzhou-pushai-pharmaceutical-technology

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]