Forward Citations = 71

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10 inventors (with patents filed for the assignee):

Philip Alfred Barker (1 out of 24 patents)

Andrew J Mayhew (1 out of 2 patents)

Christopher Fisk (1 out of 6 patents)

4. Simon I Fisher (1 out of 1 patent)

5. Michael J Robertson (1 out of 17 patents)

6. Peter J Keeble (1 out of 6 patents)

7. Philip J Fiddyment (1 out of 3 patents)

8. Julie Burton (1 out of 1 patent)

9. Ricahrd James Gillman (1 out of 1 patent)

10. David Richard Griffiths (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 7866022 - Method and system of subduct and cable installation (2011-01-11),

2. 5867498 - Intelligent telecommunications network (1999-02-02),

3. 5528710 - Optical switching device with passive input and output stages and active (1996-06-18),

4. 5205542 - Optical fibre installation (1993-04-27),

Company Overview

British Telecommunications Public Limited Company (BT) is a British multinational telecommunications company providing a wide range of services including broadband, landline, and mobile communications. With a history dating back to 1846, BT is one of the largest telecommunications companies in the UK and operates globally. The company is known for its innovation in technology and commitment to providing reliable and secure communications solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#658 in London

#3,872 in United Kingdom

London, United Kingdom

British Telecommunications Public

Forward Citations = 71

10 inventors:

Philip Alfred Barker (1 out of 24 patents)

Andrew J Mayhew (1 out of 2 patents)

Christopher Fisk (1 out of 6 patents)

4. Simon I Fisher (1 out of 1 patent)

5. Michael J Robertson (1 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: British Telecommunications Public. Retrieved from https://idiyas.com/company/british-telecommunications-public

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]