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Cardiff, United Kingdom

Iqe Plc

USPTO Granted Patents = 29

% Expired Patents = 24.1

EPO Patents = 9

Trademarks = 3

Forward Citations = 29

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40 inventors (with patents filed for the assignee):

Rodney Pelzel (18 out of 19 patents)

Andrew C Clark (18 out of 62 patents)

Rytis Dargis (15 out of 39 patents)

4. Michael S Lebby (12 out of 256 patents)

5. Richard Hammond (5 out of 60 patents)

6. Patrick Chin (4 out of 4 patents)

7. Robert Yanka (3 out of 3 patents)

8. Oleg Laboutin (3 out of 4 patents)

9. Hugues Marchand (3 out of 11 patents)

10. Howard Williams (3 out of 3 patents)

11. Andrew Johnson (3 out of 3 patents)

12. Drew Nelson (2 out of 2 patents)

13. Dmitri Lubyshev (2 out of 2 patents)

14. Joel Mark Fastenau (2 out of 13 patents)

15. Amy Wing Kwan Liu (2 out of 2 patents)

Core Competencies:

Porous Distributed Bragg Reflectors

Epitaxial Metal Electrodes

Optoelectronic Devices

Semiconductor Materials

Photodetector Structures

Multijunction Photovoltaic

Rare Earth Oxides

Strain Management

Epitaxial III-V Layers

Dielectric Passivation

Pnictide Structures

RF Filter Applications

29 patents: Sort by Forward Citations

1. 12531393 - Porous distributed Bragg reflector apparatuses, systems, and methods (2026-01-20),

2. 12518962 - Method and system for mixed group V precursor process (2026-01-06),

3. 12408503 - Layered structure with deformation control layer (2025-09-02),

4. 12382690 - Structure and method using a single crystalline bixbyite oxide layer in a orientation (2025-08-05),

5. 11757008 - Electronic device with 2-dimensional electron gas between polar-oriented rare-earth oxide layer grown over a semiconductor (2023-09-12),

6. 11611001 - Localized strain fields in epitaxial layer over cREO (2023-03-21),

7. 11495670 - Integrated epitaxial metal electrodes (2022-11-08),

8. 11355340 - Semiconductor material having tunable permittivity and tunable thermal conductivity (2022-06-07),

9. 11251320 - Photodetector structures formed on high-index substrates (2022-02-15),

10. 11201451 - Porous distributed Bragg reflectors for laser applications (2021-12-14),

11. 11133408 - Dielectric passivation for layered structures (2021-09-28),

12. 11133389 - Pnictide nanocomposite structure for lattice stabilization (2021-09-28),

13. 11069825 - Optoelectronic devices formed over a buffer (2021-07-20),

14. 11063114 - III-N to rare earth transition in a semiconductor structure (2021-07-13),

15. 10923345 - Epitaxial metal oxide as buffer for epitaxial III-V layers (2021-02-16),

IQE Plc is a leading provider of advanced semiconductor materials, specializing in the development and manufacturing of compound semiconductor wafers. The company focuses on innovative technologies that serve various sectors, including telecommunications, automotive, and consumer electronics. With a strong emphasis on research and development, IQE is dedicated to enhancing performance and efficiency in electronic devices. Headquartered in Cardiff, the company plays a pivotal role in the global semiconductor supply chain.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

29 Patents

#4 in Cardiff

#618 in United Kingdom

#22,530 in the World

Cardiff, United Kingdom

Iqe Plc

Forward Citations = 29

40 inventors:

Rodney Pelzel (18 out of 19 patents)

Andrew C Clark (18 out of 62 patents)

Rytis Dargis (15 out of 39 patents)

4. Michael S Lebby (12 out of 256 patents)

5. Richard Hammond (5 out of 60 patents)

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