Company Badge
USPTO Data Jan 1 1976 - Oct 27 2026
2 Patents
#901 in Shanghai
#11,649 in China
John Engine Sports Products Inc.
Forward Citations = 0
4 inventors:
John Engine Sports Products Inc.
Calculating rank
EPO Patents = 1
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Wenlan Cai (1 out of 4 patents)
Qingfeng Li (1 out of 6 patents)
Wen Lan Cai (1 out of 1 patent)
4. Jin Feng Li (1 out of 2 patents)
5. Zhi Bin Li (1 out of 1 patent)
6. Zhibin Li (5 patents)
7. Jinfeng Li (12 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: John Engine Sports Products Inc.. Retrieved from https://idiyas.com/company/john-engine-sports-products
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]
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]
1 patent (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]