Chang Ke

This inventor holds 4 USPTO granted patents. Top assignee: Risun Technology (Shenzhen) Limited. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Ke. Retrieved from https://idiyas.com/inventor/chang-ke-6db9tz2g

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 25.0

Average Co-Inventor Count = 1.0

ph-index = 1

Company Filing History:

where one patent can have more than one assignee

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

Title: Chang Ke: Inventor in Shenzhen

Introduction

Chang Ke is an inventor based in Shenzhen, China. His patent portfolio includes 4 patents.

Latest Patents

His latest patents include an oral irrigator and an electric toothbrush, reflecting work on personal oral-care products.

Career Highlights

Chang Ke is associated with Risun Technology (Shenzhen) Limited. His listed inventions focus on oral-care devices.

Collaborations

His listed coworkers include Chuanzhou Zheng and Dongbao Li.

Conclusion

Chang Ke’s patent activity in Shenzhen includes inventions related to oral care and his work with Risun Technology (Shenzhen) Limited.

Profile summary based on public USPTO records.

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]

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Ke. Retrieved from https://idiyas.com/inventor/chang-ke-6db9tz2g

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]