For the Inventor, By the Inventor

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Orlando, FL, United States of America

Lightpath Technologies, Inc.

USPTO Granted Patents = 28

% Expired Patents = 3.6

Trademarks = 4

Forward Citations = 342

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40 inventors (with patents filed for the assignee):

Xiaojie Xu (6 out of 6 patents)

William P Walters (4 out of 7 patents)

Paul Fournier (4 out of 9 patents)

4. Marc Farrell Harris (4 out of 6 patents)

5. Mark A Fitch (4 out of 6 patents)

6. Pierre Bernard (4 out of 11 patents)

7. Michael E Savard (4 out of 4 patents)

8. David A Tinch (3 out of 3 patents)

9. Bruce E Bernacki (2 out of 10 patents)

10. Fujian Ding (2 out of 2 patents)

11. Mark Lifshotz (2 out of 2 patents)

12. K Brent Binkley (2 out of 3 patents)

13. King Sum Chu (2 out of 6 patents)

14. W Edward Church (2 out of 4 patents)

15. Randall Krafft (2 out of 6 patents)

Core Competencies:

Broadband Camera

Flame Detection

IR Lens

Optical Assembly

High-Power Collimator

Optical Fibers

Acoustic Waves

Gradient Index

GRIN Lenses

Refractive Elements

Lead Glass Composition

Optical Blanks

28 patents: Sort by Forward Citations

1. 12720175 - Broadband camera for flame detection and detection of a thermal image of the scene of the flame (2026-08-25),

2. 11802996 - One optical design pattern/method of a cost effective IR lens (2023-10-31),

3. 10969560 - Integrated optical assembly and manufacturing the same (2021-04-06),

4. 10641928 - One optical design pattern/method of a cost effective IR lens (2020-05-05),

5. 7397985 - High-power fused collimator and associated methods (2008-07-08),

6. 7146075 - High-power fused collimator and associated methods (2006-12-05),

7. 6871978 - Computer keyboard backlighting (2005-03-29),

8. 6780274 - Fabrication of collimators employing optical fibers fusion-spliced to optical elements of substantially larger cross-section areas (2004-08-24),

9. 6765503 - Backlighting for computer keyboard (2004-07-20),

10. 6360039 - Fabrication of collimators employing optical fibers fusion-spliced to optical elements of substantially larger cross-sectional areas (2002-03-19),

11. 6278656 - Manipulation of acoustic waves using a functionally graded material and process for making the same (2001-08-21),

12. 6217698 - Use of a laser to fusion-splice optical components of substantially different cross-sectional areas (2001-04-17),

13. 6033515 - Use of a laser to fusion-splice optical components of substantially (2000-03-07),

14. 6029475 - Batching of molten glass in the production of graded index of refraction (2000-02-29),

15. 6027672 - Method of producing large polymer optical blanks with predictable axil (2000-02-22),

Lightpath Technologies, Inc. is a leading provider of advanced optical solutions, specializing in the design and manufacture of precision optical components and assemblies. The company focuses on innovative technologies in the fields of telecommunications, industrial, and medical applications, delivering high-performance products that enhance system capabilities. Based in Orlando, FL, Lightpath is committed to advancing optical engineering and providing tailored solutions that meet the evolving needs of its diverse clientele.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

28 Patents

#18 in Orlando, FL

#293 in Florida

#12,009 in US

#23,262 in the World

Orlando, FL, United States of America

Lightpath Technologies, Inc.

Forward Citations = 342

40 inventors:

Xiaojie Xu (6 out of 6 patents)

William P Walters (4 out of 7 patents)

Paul Fournier (4 out of 9 patents)

4. Marc Farrell Harris (4 out of 6 patents)

5. Mark A Fitch (4 out of 6 patents)

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