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USPTO Data Jan 1 1976 - Oct 6 2026
2 Patents
#91 in Manchester
#6,516 in United Kingdom
257 Ltd.
Forward Citations = 67
5 inventors:
257 Ltd.
Forward Citations = 67
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5 inventors (with patents filed for the assignee):
Peter Carney (2 out of 11 patents)
Haydn Murray (2 out of 4 patents)
Arthur Blake (2 out of 13 patents)
4. Andrew Pawson (2 out of 13 patents)
5. Matthew J Henderson (2 out of 9 patents)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: 257 Ltd.. Retrieved from https://idiyas.com/company/257
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]
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]