Richard E Epworth

This inventor holds 53 USPTO granted patents, primarily in Optical Transmission (CPC class 3591). Top assignees: Nortel Networks Corporation, Northern Telecom Limited, Stc, Inc. Active years: 1978-2009.

USPTO Granted Patents = 53

% Patents Active = 96.2

Average Co-Inventor Count = 1.7

ph-index = 17

Forward Citations = 1,313(Granted Patents)

Forward Citations (Not Self Cited) = 1,310(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Harlow, EN (1978)
Bishop Stortford, GB (1988)
Bishops Stortford, GB (1979 - 1992)
Stortford, GB (1988 - 1992)
Herts, GB (1997 - 2003)
Hertfordshire, GB (2005)
Sawbridgeworth, GB (1994 - 2009)

Company Filing History:

23 out of 4,171

Nortel Networks Corporation

patents

14 out of 2,276

Northern Telecom Limited

International Standard Electric Corporation

patents

5. 1 out of 6

Northern Telecom Europe Limited

patents

Years Active: 1978-2009

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Areas of Expertise:

Optical OFDM

Coherent Receiver

Optical Amplifiers

Polarization Diversity

Dispersion Compensation

Wavelength Control

Optical Multiplexing

Signal Detection

Bragg Gratings

Optical Waveguides

Optical Packet Switching

Chirped Gratings

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7580630 - Spectral shaping for optical OFDM transmission (2009-08-25),

2. 7315584 - Coherent receiver (2008-01-01),

3. 7272327 - Multi-detector detection of optical signals (2007-09-18),

4. 7209670 - Polarization diversity receiver for optical transmission system (2007-04-24),

5. 7136558 - Optical waveguide (2006-11-14),

6. 7085501 - Coherent optical receiver (2006-08-01),

7. 6894829 - Optical amplifier modules (2005-05-17),

8. 6859586 - 3 Fibre I and Q coupler (2005-02-22),

9. 6626589 - Optical packet switching (2003-09-30),

10. 6559991 - Polarization mode dispersion compensation (2003-05-06),

11. 6526208 - Dispersion managed fiber optic cable and system (2003-02-25),

12. 6522436 - Multiplexed transmission of optical signals (2003-02-18),

13. 6519390 - Chirped Bragg grating reflectors and adjustable dispersion apparatus incorporating such gratings (2003-02-11),

14. 6515778 - Polarization mode dispersion compensation (2003-02-04),

15. 6483632 - Multistage optical amplifier with gain flattening (2002-11-19),

Title: Richard E Epworth - Pioneering Inventor from Sawbridgeworth, GB

Introduction: Richard E Epworth is a renowned inventor hailing from Sawbridgeworth, Great Britain, known for his groundbreaking contributions to various fields of innovation.

Latest Patents: Richard E Epworth holds several patents in the areas of renewable energy technologies, advanced materials, and medical devices, showcasing his diverse range of expertise and creativity.

Career Highlights: With a career spanning over three decades, Richard E Epworth has worked with leading research institutions and companies to develop cutting-edge solutions that have revolutionized industries worldwide. His innovative spirit and dedication to excellence have earned him numerous accolades and recognition in the field of invention.

Collaborations: Throughout his career, Richard E Epworth has collaborated with top inventors, patent attorneys, and research institutions to bring his ideas to life. His ability to work effectively in multidisciplinary teams has led to the successful development and commercialization of several groundbreaking inventions.

Conclusion: Richard E Epworth's passion for innovation and his relentless pursuit of excellence have established him as a trailblazer in the world of invention. His contributions continue to inspire future generations of inventors and shape the landscape of technological advancement.