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For the Inventor, By the Inventor

Encinitas, CA, United States of America

Shui T Lai

This inventor holds 65 USPTO granted patents and 4 EPO patents, primarily in Ophthalmic Technology (CPC class A61B). Top assignees: Ophthonix, Inc., Essilor International (Compagnie General D'optique), Essilor International (Compagnie Generale D'optique). Active years: 1994-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shui T Lai. Retrieved from https://idiyas.com/inventor/shui-t-lai

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

Calculating rank
USPTO Granted Patents = 65

% Patents Active = 86.2


Average Co-Inventor Count = 1.4

ph-index = 22

Forward Citations = 2,512(Granted Patents)

Forward Citations (Not Self Cited) = 2,261(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Encinitas, CA (US) (1994 - 2016)
  • Windermere, FL (US) (2014 - 2022)

Company Filing History:

goldMedal25 out of 51 
 
Ophthonix, Inc.
 patents
silverMedal2 out of 33 
 
Essilor International (Compagnie General D'optique)
 patents
bronzeMedal2 out of 719 
 
Essilor International (Compagnie Generale D'optique)
 patents
4. 2 out of 2 
 
Novatec Laser Systems, Inc.
 patents
5. 1 out of 1 
 
Novatic Laser Systems, Inc.
 patent
6. 1 out of 3 
 
Opthonix, Inc.
 patents
7. 32 out of 834,708 
Other
 patents

Years Active: 1994-2022

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Areas of Expertise:
Subjective Refraction
Wavefront Correction
Optical Lens
Intrastromal Surgery
High Precision Optics
Ophthalmic Diagnostic Instrument
Visual Acuity
Eyeglass Dispensing
Refractive Index
Zernike Function
Aberration Analysis
Contact Lenses
65 patents (USPTO):Explore Patents
1. 11464406 - Subjective wavefront refraction using continuously adjustable wave plates of Zernike function (2022-10-11),
2. 11234588 - Concise representation for review of a subjective refraction test (2022-02-01),
3. 10874298 - Intrastromal surgery correcting low order and high order aberrations of the eye (2020-12-29),
4. 10383512 - Subjective wavefront refraction using continuously adjustable wave plates of Zernike function (2019-08-20),
5. 10194796 - Effective acuity and refraction targets (2019-02-05),
6. 10194794 - Self guided subjective refraction instruments and methods (2019-02-05),
7. 9955867 - Intrastromal surgery correcting low order and high order aberrations of the eye (2018-05-01),
8. 9743829 - Effective acuity and refraction targets (2017-08-29),
9. 9730578 - Self guided subjective refraction instruments and methods (2017-08-15),
10. 9408533 - Self guided subjective refraction instruments and methods (2016-08-09),
11. 9320426 - Subjective wavefront refraction using continuously adjustable wave plates of zernike function (2016-04-26),
12. 9247871 - Effective acuity and refraction targets (2016-02-02),
13. 8967801 - Self guided subjective refraction instruments and methods (2015-03-03),
14. 8950865 - Effective acuity and refraction targets (2015-02-10),
15. 8790104 - Apparatus and method of fabricating a compensating element for wavefront correction using spatially localized curing of resin mixtures (2014-07-29),

Based on the provided data, here is an article about inventor Shui T Lai:

Title: Innovation in Ophthalmology: The Inventor Shui T Lai

Introduction: Shui T Lai, a prolific inventor based in Encinitas, CA, has made significant contributions to the field of ophthalmology with his numerous patented inventions.

Latest Patents: Shui T Lai's latest patents focus on the development of a subjective wavefront refraction device using continuously adjustable wave plates of Zernike function. These devices allow for the correction of low and high order aberrations in the eye, offering a novel approach to improving vision.

Career Highlights: With an impressive portfolio of 65 patents, Shui T Lai has established himself as a leading innovator in the field of ophthalmic technology. His work has revolutionized the way eye tests are conducted, providing a concise representation of subjective refraction tests.

Collaborations: Throughout his career, Shui T Lai has collaborated with esteemed professionals in the field, including Andreas Wilhelm Dreher and Laurence Warden. Together, they have worked on cutting-edge projects that have advanced the field of ophthalmology.

Conclusion: Shui T Lai's dedication to innovation and his commitment to improving eye health have solidified his reputation as a pioneering inventor in the field of ophthalmology. His groundbreaking work continues to shape the future of vision correction technology.

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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