For the Inventor, By the Inventor

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Surrey, United Kingdom

Technophone Limited

Calculating rank

USPTO Granted Patents = 26

Forward Citations = 1,327

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31 inventors (with patents filed for the assignee):

Nils E Martensson (5 out of 10 patents)

Richard Seymour (5 out of 8 patents)

Ron Major (3 out of 4 patents)

4. Michael B Ashdown (2 out of 5 patents)

5. Nader Farahati (2 out of 2 patents)

6. N E Martensson (2 out of 3 patents)

7. Peter D Harrison (2 out of 8 patents)

8. Simon Philip O'Neill (2 out of 2 patents)

9. Alan Charles Grimmett (2 out of 2 patents)

10. David H Powell (2 out of 7 patents)

11. Malcolm C Cant (2 out of 2 patents)

12. Patrick Hunt (1 out of 11 patents)

13. Adam White (1 out of 17 patents)

14. Christopher Bryan Sheldrake (1 out of 3 patents)

15. Ian K Pasco (1 out of 2 patents)

Core Competencies:

Radio Transceiver

Digital Receiver

Portable Telephone

Antenna Assembly

Battery Housing

Maximum Likelihood Detector

Charger Stand

Electrically Adjustable Filter

Mobile Telephone

Holder for Handset

RF Sealed Housing

Retractable Antenna

26 patents: Sort by Forward Citations

1. 5839051 - Host radio telephone to directly access a handset NAM through a (1998-11-17),

2. 5384782 - Digital radio receiver with decoding of confidence level information (1995-01-24),

3. 5375129 - Maximum likelihood sequence detector (1994-12-20),

4. 5267234 - Radio transceiver with duplex and notch filter (1993-11-30),

5. 5259018 - Radio telephone system having a handset adapted to be removably (1993-11-02),

6. 5227748 - Filter with electrically adjustable attenuation characteristic (1993-07-13),

7. D334926 - Portable telephone (1993-04-20),

8. D333661 - Antenna (1993-03-02),

9. 5190325 - Magnetic catch (1993-03-02),

10. 5185747 - Data symbol estimation (1993-02-09),

11. D331566 - Battery housing for a portable telephone (1992-12-08),

12. 5151946 - Variable configuration portable telephone (1992-09-29),

13. D328733 - Battery housing for a portable telephone (1992-08-18),

14. 5095177 - RF sealed radio housing (1992-03-10),

15. 5083240 - Light guide (1992-01-21),

Company Overview

Technophone Limited, based in Surrey, GB, specializes in the development and manufacturing of advanced telecommunications equipment. The company focuses on innovative mobile technology solutions, catering to both consumer and enterprise markets. With a commitment to enhancing connectivity, Technophone engages in research and development across various domains, including wireless communication and mobile device integration. Their expertise positions them as a key player in the evolving landscape of mobile technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

26 Patents

#7 in Surrey

#682 in United Kingdom

#24,889 in the World

Surrey, United Kingdom

Technophone Limited

Forward Citations = 1,327

31 inventors:

Nils E Martensson (5 out of 10 patents)

Richard Seymour (5 out of 8 patents)

Ron Major (3 out of 4 patents)

4. Michael B Ashdown (2 out of 5 patents)

5. Nader Farahati (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Technophone Limited. Retrieved from https://idiyas.com/company/technophone

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]

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