% Expired Patents = 33.3

Trademarks = 2

Forward Citations = 53

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7 inventors (with patents filed for the assignee):

Haifeng Wang (1 out of 158 patents)

Hua Wu (1 out of 81 patents)

Melvin L Ollman (1 out of 7 patents)

4. Yuchen Ding (1 out of 3 patents)

5. Frédéric Dutil (1 out of 1 patent)

6. Yingqi Qu (1 out of 4 patents)

7. Jing Liu (1 out of 103 patents)

3 patents: Sort by Forward Citations

#1 in Val-Belair

#4,374 in Canada

Co

Forward Citations = 53

7 inventors:

Haifeng Wang (1 out of 158 patents)

Hua Wu (1 out of 81 patents)

Melvin L Ollman (1 out of 7 patents)

4. Yuchen Ding (1 out of 3 patents)

5. Frédéric Dutil (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Co. Retrieved from https://idiyas.com/company/co

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]