Risun Technology (Shenzhen) Limited

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USPTO Granted Patents = 4

Forward Citations = 2

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3 inventors (with patents filed for the assignee):

Chang Ke (3 out of 4 patents)

Dongbao Li (1 out of 6 patents)

Jinbo Qiu (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12672938 - Water pump and oral irrigator (2026-07-07),

2. D1129881 - Electric toothbrush (2026-06-16),

3. D1129456 - Display screen for electric toothbrush with graphical user interface (2026-06-09),

4. D1105149 - Electric toothbrush with graphical user interface (2025-12-09),

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USPTO Data Jan 1 1976 - Oct 27 2026

4 Patents

#1,081 in Shenzhen

#6,444 in China

Shenzhen, China

Risun Technology (Shenzhen) Limited

Forward Citations = 2

3 inventors:

Chang Ke (3 out of 4 patents)

Dongbao Li (1 out of 6 patents)

Jinbo Qiu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Risun Technology (Shenzhen) Limited. Retrieved from https://idiyas.com/company/risun-technology-shenzhen

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]