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USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,843 in Hong Kong
#18,808 in HK
Four K Knitters Ltd
Forward Citations = 0
4 inventors:
Four K Knitters Ltd
EPO Patents = 1
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Jifan Li (1 out of 17 patents)
Shilong Zhang (1 out of 6 patents)
Kang Zhang (1 out of 9 patents)
4. Sui Lung Cheung (1 out of 2 patents)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Four K Knitters Ltd. Retrieved from https://idiyas.com/company/four-k-knitters
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]