Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
48 Patents
#88 in
#372 in
#14,561 in the World
Portable Multimedia Ltd
Forward Citations = 187
8 inventors:
Portable Multimedia Ltd
% Expired Patents = 2.1
EPO Patents = 3
Trademarks = 3
Forward Citations = 187
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8 inventors (with patents filed for the assignee):
Graham Keith Lambert (47 out of 50 patents)
Ceri Hill (45 out of 47 patents)
Robert George Grant (38 out of 40 patents)
4. Sam Lewis (9 out of 9 patents)
5. Roger Tanner (4 out of 4 patents)
6. Tom Morris (1 out of 4 patents)
7. Rob Williams (1 out of 1 patent)
8. Satya Venkata (1 out of 1 patent)
Core Competencies:
Camera
Dash Cam
Security System
Vehicle Security
Mount Assembly
Rear Facing Camera
Operation Modes
In-Vehicle Accessory
Camera Mount
Accessory
Coupling System
48 patents:
Company Overview
Portable Multimedia Ltd, based in London, specializes in advanced camera systems and security solutions tailored for automotive applications. The company focuses on developing innovative vehicle security devices, including dash cams and rear-facing cameras, designed to enhance safety and security for drivers and passengers alike. With a commitment to integrating cutting-edge technology, Portable Multimedia Ltd aims to provide reliable in-vehicle accessories that meet the evolving demands of modern transportation.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Portable Multimedia Ltd. Retrieved from https://idiyas.com/company/portable-multimedia
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]
3 patents (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]