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West Yorkshire, United Kingdom

Filtronic Plc

USPTO Granted Patents = 11

CIPO Patents = 1

EPO Patents = 2

Trademarks = 2

Forward Citations = 45

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15 inventors (with patents filed for the assignee):

John David Rhodes (3 out of 3 patents)

Ian Charles Hunter (3 out of 3 patents)

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: Sort by Forward Citations

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),

Filtronic Plc is a leading designer and manufacturer of advanced microwave and mmWave products and systems for the wireless communications, satellite communications, and critical communications markets. With over 40 years of experience, Filtronic provides custom solutions for a wide range of applications including high-speed connectivity, defense and aerospace, and digital broadcasting.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

11 Patents

#7 in West Yorkshire

#1,552 in United Kingdom

#50,159 in the World

West Yorkshire, United Kingdom

Filtronic Plc

Forward Citations = 45

15 inventors:

John David Rhodes (3 out of 3 patents)

Ian Charles Hunter (3 out of 3 patents)

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)

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