% Expired Patents = 66.7

EPO Patents = 4

Trademarks = 1

Forward Citations = 22

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3 inventors (with patents filed for the assignee):

Yu Long Wang (3 out of 7 patents)

Fuhai Duan (3 out of 3 patents)

Jun Chen (3 out of 75 patents)

4. Jun Chen (6 patents)

5. Yu Wang (3 patents)

3 patents: Sort by Forward Citations

1. 10851881 - Four-speed transaxle for electric vehicle (2020-12-01),

2. 9963029 - Hybrid transmission device (2018-05-08),

3. 9719584 - Two-speed transaxle for electric vehicle (2017-08-01),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#230 in Guangzhou

#8,360 in China

Guangzhou, China

Guangzhou Sunmile Dynamic Technologies Corp., Ltd

Forward Citations = 22

3 inventors:

Yu Long Wang (3 out of 7 patents)

Fuhai Duan (3 out of 3 patents)

Jun Chen (3 out of 75 patents)

4. Jun Chen (6 patents)

5. Yu Wang (3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Guangzhou Sunmile Dynamic Technologies Corp., Ltd. Retrieved from https://idiyas.com/company/guangzhou-sunmile-dynamic-technologies

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]

4 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]