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For the Inventor, By the Inventor

Englewood, NJ, United States of America

Francis A L'Esperance, Jr

This inventor holds 29 USPTO granted patents, primarily in Ophthalmic Surgery. Top assignees: Lri L.p., Visx, Inc., L'esperance Medical Technologies, Inc.. Active years: 1976-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Francis A L'Esperance, Jr. Retrieved from https://idiyas.com/inventor/francis-a-l-esperance-jr

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

Calculating rank
USPTO Granted Patents = 29

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 27

Forward Citations = 4,706(Granted Patents)


Location History:

  • New York, NY (US) (1976)
  • Englewood, NJ (US) (1984 - 2002)

Company Filing History:

goldMedal10 out of 10 
 
Lri L.p.
 patents
silverMedal5 out of 103 
 
Visx, Inc.
 patents
bronzeMedal4 out of 4 
 
L'esperance Medical Technologies, Inc.
 patents
4. 2 out of 387 
 
New Jersey Institute of Technology
 patents
5. 1 out of 1 
 
Medflex Corporation
 patent
6. 1 out of 7 
 
Taunton Technologies, Inc.
 patents
7. 6 out of 834,601 
Other
 patents

Years Active: 1976-2002

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Areas of Expertise:
Spectrophotometry
Corneal Shaping
Refractive Correction
Laser Surgery
Glaucoma Relief
Cataract Extraction
Phacoemulsification
Ophthalmological Surgery
Vascular Growth
Keratomileusis
Indirect Photocoagulation
Intraocular Lens
29 patents (USPTO):Explore Patents
1. 6494576 - Method and apparatus for spectrophotometry of the eye (2002-12-17),
2. 6033418 - Method and device for corneal shaping and refractive correction (2000-03-07),
3. 5964775 - Method and device for corneal shaping and refractive correction (1999-10-12),
4. 5807379 - Ophthalmic method and apparatus for laser surgery of the cornea (1998-09-15),
5. 5507741 - Ophthalmic method for laser surgery of the cornea (1996-04-16),
6. 5312320 - Apparatus for performing ophthalmological surgery (1994-05-17),
7. 5300020 - Surgically implantable device for glaucoma relief (1994-04-05),
8. 5263950 - Phaco-extractor for fragmenting cataractous-lens situs of fragmentation (1993-11-23),
9. 5257988 - Apparatus for phacoemulsifying cataractous-lens tissue within a (1993-11-02),
10. 5219343 - Apparatus for performing ophthalmogolical surgery (1993-06-15),
11. 5207668 - Method for opthalmological surgery (1993-05-04),
12. 5188631 - Method for opthalmological surgery (1993-02-23),
13. 4951663 - Method for enhanced sterilization of a living-tissue area of prospective (1990-08-28),
14. 4931053 - Method and apparatus for enhanced vascular or other growth (1990-06-05),
15. 4911711 - Sculpture apparatus for correcting curvature of the cornea (1990-03-27),

Title: The Innovative Mind of Francis A L'Esperance, Jr

Introduction:

Francis A L'Esperance, Jr, a talented inventor hailing from Englewood, NJ, has made significant contributions to the world of technology and innovation.

Latest Patents:

Francis A L'Esperance, Jr holds several patents in various fields, showcasing his diverse range of expertise and creativity.

Career Highlights:

Throughout his illustrious career, Francis A L'Esperance, Jr has been at the forefront of groundbreaking inventions that have revolutionized industries and improved the lives of many.

Collaborations:

Francis A L'Esperance, Jr has collaborated with leading experts and organizations in the field, further solidifying his reputation as a visionary inventor with a passion for pushing the boundaries of what is possible.

Conclusion:

In conclusion, Francis A L'Esperance, Jr's innovative spirit and dedication to creating impactful inventions have left an indelible mark on the world of technology, inspiring future generations of inventors to dream big and think outside the box.

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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