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For the Inventor, By the Inventor

Denbigh, United Kingdom

Michael H Freeman

This inventor holds 15 USPTO granted patents. Top assignees: Pilkington Pe Limited, Pilkington Diffractive Lenses Limited, Optics and Vision Limited. Active years: 1980-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michael H Freeman. Retrieved from https://idiyas.com/inventor/michael-h-freeman-fbl7zvad

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 12

Forward Citations = 1,303(Granted Patents)


Location History:

  • Clwyd, GB (1981 - 1992)
  • Denbigh, GB (1980 - 1997)
  • Wales, GB (1987 - 1998)

Company Filing History:

goldMedal8 out of 72 
 
Pilkington Pe Limited
 patents
silverMedal4 out of 4 
 
Pilkington Diffractive Lenses Limited
 patents
bronzeMedal1 out of 1 
 
Optics and Vision Limited
 patent
4. 1 out of 13 
 
Pilkington Barnes Hind, Inc.
 patents
5. 1 out of 8 
 
Pilkington Visioncare Holdings, Inc.
 patents

Years Active: 1980-1998

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15 patents (USPTO):Explore Patents
1. 5748282 - Multifocal contact lens (1998-05-05),
2. 5652679 - Optical systems, telescopes and binoculars (1997-07-29),
3. 5349394 - Rigid gas permeable lenses (1994-09-20),
4. 5331132 - Manufacture of visual lenses (1994-07-19),
5. 5296881 - Method and contact lenses for treating presbyopia (1994-03-22),
6. 5281294 - Manufacture of visual lenses (1994-01-25),
7. 5100226 - Diffractive ophthalmic lens for correcting astigmatism (1992-03-31),
8. 4655565 - Ophthalmic lenses with diffractive power (1987-04-07),
9. 4642112 - Artificial eye lenses (1987-02-10),
10. 4641934 - Ophthalmic lens with diffractive power (1987-02-10),
11. 4637697 - Multifocal contact lenses utilizing diffraction and refraction (1987-01-20),
12. 4361378 - Biocular viewing apparatus (1982-11-30),
13. 4322135 - Optical apparatus (1982-03-30),
14. 4261635 - Optical apparatus (1981-04-14),
15. 4200366 - Microform readers (1980-04-29),

Title: Inventor Michael H Freeman

Introduction: Michael H Freeman is a renowned inventor based in Denbigh, Great Britain, known for his innovative contributions to various fields.

Latest Patents: Michael H Freeman holds several patents in the areas of technology and healthcare, showcasing his versatility and creativity in inventing new solutions.

Career Highlights: Throughout his career, Michael H Freeman has been recognized for his groundbreaking inventions that have significantly impacted industries such as electronics, robotics, and medical devices.

Collaborations: Michael H Freeman has collaborated with leading research institutions and companies to bring his inventions to life, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: In conclusion, Michael H Freeman's passion for innovation and his dedication to creating impactful inventions have solidified his reputation as a pioneering inventor in Denbigh, Great Britain.

Profile summary based on public USPTO records.
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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