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For the Inventor, By the Inventor

Morrisville, NC, United States of America

Tearscience, Inc.


USPTO Granted Patents = 70

% Expired Patents = 10.0


Trademarks = 4

Forward Citations = 1,734

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31 inventors (with patents filed for the assignee):

goldMedal Donald R Korb (64 out of 93 patents)

silverMedal Stephen Michael Grenon (59 out of 68 patents)

bronzeMedal Benjamin T Gravely (34 out of 39 patents)

4.  Timothy R Willis (27 out of 44 patents)

5.  William L Weber (13 out of 20 patents)

6.  Randal B Chinnock (13 out of 44 patents)

7.  John Martin Jans (10 out of 10 patents)

8.  Keith Hobart Gausmann (8 out of 16 patents)

9.  Steve Bacich (6 out of 9 patents)

10.  David Chesley (5 out of 18 patents)

11.  Scott Eric Liddle (5 out of 30 patents)

12.  Joshua Grenon (3 out of 3 patents)

13.  Julia Rose Anderson (3 out of 6 patents)

14.  Joey Nakayama (3 out of 13 patents)

15.  Gary F Prokop (3 out of 52 patents)


Core Competencies:
Meibomian Gland
Tear Film
Ocular Surface Interferometry
Eye Treatment
Imaging Systems
Eyelid Illumination
Dry Eye Analysis
Fluid Jet Treatment
Thermal Management
Ocular Topography
Contact Lens Intolerance
Intraocular Pressure

70 patents:

1. 11844586 - Eyelid illumination systems and methods for imaging meibomian glands for meibomian gland analysis (2023-12-19),
2. 11771317 - Ocular surface interferometry (OSI) for imaging, processing, and/or displaying an ocular tear film (2023-10-03),
3. 11259700 - Ocular surface interferometry (OSI) for imaging, processing, and/or displaying an ocular tear film (2022-03-01),
4. 11141065 - Eyelid illumination systems and methods for imaging meibomian glands for meibomian gland analysis (2021-10-12),
5. 10952896 - Methods and apparatuses for treatment of meibomian gland dysfunction (2021-03-23),
6. 10940074 - Melting meibomian gland obstructions (2021-03-09),
7. 10905898 - Methods and apparatuses for treating gland dysfunction (2021-02-02),
8. 10582849 - Full-eye illumination ocular surface imaging of an ocular tear film for determining tear film thickness and/or providing ocular topography (2020-03-10),
9. 10582848 - Ocular surface interferometry (OSI) devices and systems for imaging, processing, and/or displaying an ocular tear film (2020-03-10),
10. 10512396 - Ocular tear film peak detection and stabilization detection systems and methods for determining tear film layer characteristics (2019-12-24),
11. 10413174 - Apparatuses and methods for determining tear film break-up time and/or for detecting lid margin contact and blink rates, particularly for diagnosing, measuring, and/or analyzing dry eye conditions and symptoms (2019-09-17),
12. 10376273 - Methods and apparatuses for treatment of meibomian glands (2019-08-13),
13. 10278587 - Eyelid illumination systems and method for imaging meibomian glands for meibomian gland analysis (2019-05-07),
14. 10244939 - Full-eye illumination ocular surface imaging of an ocular tear film for determining tear film thickness and/or providing ocular topography (2019-04-02),
15. 10004396 - Ocular surface interferometry (OSI) devices and systems for imaging, processing, and/or displaying an ocular tear film (2018-06-26),
Company Overview
Tearscience, Inc. is a pioneering company based in Morrisville, NC, specializing in ocular surface imaging technologies aimed at enhancing eye health. The organization focuses on innovative solutions for diagnosing and treating dry eye conditions, utilizing advanced techniques such as ocular surface interferometry and meibomian gland analysis. Their core technologies include imaging systems and fluid jet treatments designed to improve tear film stability and overall ocular surface health, addressing the needs of patients suffering from dry eye syndrome.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

70 Patents

#5 in Morrisville, NC

#134 in North Carolina

#5,244 in US

#10,641 in the World

Morrisville, NC (US)
Morrisville, NC, United States of America

Tearscience, Inc.

Forward Citations = 1,734

31 inventors:

goldMedal Donald R Korb (64 out of 93 patents)

silverMedal Stephen Michael Grenon (59 out of 68 patents)

bronzeMedal Benjamin T Gravely (34 out of 39 patents)

4.  Timothy R Willis (27 out of 44 patents)

5.  William L Weber (13 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tearscience, Inc.. Retrieved from https://idiyas.com/company/tearscience

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

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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