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USPTO Data Jan 1 1976 - Oct 27 2026
3 Patents
#82 in Birmingham
#4,895 in United Kingdom
Hd3 Limited
Forward Citations = 10
6 inventors:
Hd3 Limited
Calculating rank
% Expired Patents = 33.3
EPO Patents = 1
Forward Citations = 10
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6 inventors (with patents filed for the assignee):
Janusz Lucien Holland (3 out of 13 patents)
Mark Christopher Hughes (3 out of 11 patents)
Alfredo DeBenedictis (2 out of 6 patents)
4. Martin Malcolm Harris (2 out of 5 patents)
5. James Robert Nelson (1 out of 5 patents)
6. Alfredo Debenedictis (1 out of 5 patents)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hd3 Limited. Retrieved from https://idiyas.com/company/hd3
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]