logo

For the Inventor, By the Inventor

West Yorkshire, United Kingdom

Filtronic Plc


USPTO Granted Patents = 11

% Expired Patents = 36.4



Forward Citations = 61

Loading Chart...
Loading Chart...

12 inventors (with patents filed for the assignee):

goldMedal John David Rhodes (3 out of 3 patents)

silverMedal Ian Charles Hunter (3 out of 3 patents)

bronzeMedal Richard Alun Davies (2 out of 5 patents)

4.  Matthew Francis O'Keefe (2 out of 6 patents)

5.  Robert Grey (2 out of 3 patents)

6.  Michael Charles Clausen (2 out of 3 patents)

7.  Nicholas David Archer (2 out of 2 patents)

8.  John M Heaton (1 out of 18 patents)

9.  Mostafa Mohamed Taher AbuShaaban (1 out of 2 patents)

10.  Christine Blair (1 out of 1 patent)

11.  Atul Kuver (1 out of 1 patent)

12.  Yi Zhou (1 out of 1 patent)

13.  John Rhodes (0 patent)

14.  Ian Hunter (0 patent)

15.  Nicholas Filtronic Plc Archer (0 patent)


11 patents:

1. 7956706 - Multiband filter having comb-line and ceramic resonators with different pass-bands propagating in different modes (2011-06-07),
2. 7868356 - Compound semiconductor substrate for a field effect transistor (2011-01-11),
3. 7639077 - Method and apparatus for pre-conditioning an electrical signal (2009-12-29),
4. 7555174 - Coplanar waveguide line (2009-06-30),
5. 7538365 - Field effect transistor with aluminum and phosphorus etch stop layer (2009-05-26),
6. 7382943 - Four arm linearised Mach Zehnder modulator (2008-06-03),
7. 7330704 - Electrical signal pre-conditioning (2008-02-12),
8. 7161434 - Amplifier (2007-01-09),
9. 6448872 - Reflection-mode filter and method with a constant loss off-set (2002-09-10),
10. 6414571 - Dual TM mode composite resonator (2002-07-02),
11. 6359534 - Microwave resonator (2002-03-19),
Company Overview
Filtronic Plc is a technology company based in West Yorkshire, specializing in the design and manufacture of advanced RF and microwave components and systems. The company focuses on providing innovative solutions for telecommunications, aerospace, and defense sectors, leveraging its expertise in high-frequency technology. Filtronic is committed to delivering high-performance products that enhance connectivity and operational efficiency, contributing to the advancement of communication infrastructure and systems globally.
Profile summary synthesized from public USPTO records and patent filings.

logo

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#6 in West Yorkshire

#1,599 in United Kingdom

#51,761 in the World

West Yorkshire, GB
West Yorkshire, United Kingdom

Filtronic Plc

Forward Citations = 61

12 inventors:

goldMedal John David Rhodes (3 out of 3 patents)

silverMedal Ian Charles Hunter (3 out of 3 patents)

bronzeMedal Richard Alun Davies (2 out of 5 patents)

4.  Matthew Francis O'Keefe (2 out of 6 patents)

5.  Robert Grey (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Filtronic Plc. Retrieved from https://idiyas.com/company/filtronic

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]
Loading…