For the Inventor, By the Inventor

Enter assignee name

Mentor, OH, United States of America

Volk Optical Inc.

USPTO Granted Patents = 20

% Expired Patents = 10.0

EPO Patents = 1

Trademarks = 30

Forward Citations = 169

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13 inventors (with patents filed for the assignee):

Donald A Volk (11 out of 36 patents)

Steven D Cech (7 out of 20 patents)

Timothy D Edwards (3 out of 3 patents)

4. Gerald Kotnik (3 out of 4 patents)

5. Richard M Mueller (3 out of 3 patents)

6. John Pysarchuk (1 out of 1 patent)

7. Aaron V Weber (1 out of 1 patent)

8. Stephen Jon Lawn (1 out of 1 patent)

9. Sean P McGinnis (1 out of 1 patent)

10. Kakarla V Chalam (1 out of 1 patent)

11. Tim D Edwards (1 out of 1 patent)

12. C Thomas Marek (1 out of 1 patent)

13. Denwood F Ross, Iii (1 out of 21 patents)

20 patents: Sort by Forward Citations

1. 9636012 - Ophthalmic lens assemblies and methods of assembly and use (2017-05-02),

2. 7946706 - Lens assembly for vitreoretinal surgery (2011-05-24),

3. 7940479 - Positioners and microscopes incorporating the same (2011-05-10),

4. 7909464 - Diagnostic ophthalmic lens using extra-low dispersion (ED) material (2011-03-22),

5. 7903331 - Flexible positioner and ophthalmic microscope incorporating the same (2011-03-08),

6. 7499219 - Optimized lens for indirect ophthalmoscopy (2009-03-03),

7. 7338170 - Lens systems for vitreoretinal surgery (2008-03-04),

8. 7244026 - Sterilizable ophthalmoscopy lens system (2007-07-17),

9. D523881 - Ophthalmic lens (2006-06-27),

10. RE37298 - Indirect ophthalmoscopy lens retaining ring (2001-07-31),

11. D438621 - Indirect ophthalmoscopy lens retaining ring (2001-03-07),

12. 6164779 - Ophthalmoscopic viewing system (2000-12-26),

13. D434851 - Indirect ophthalmoscopy lens straight retaining ring (2000-12-05),

14. D434498 - Indirect ophthalmoscopy lens two piece retaining ring (2000-11-28),

15. 5963301 - Lense arrangement for vitreoretinal surgery (1999-10-05),

Volk Optical Inc. is a prominent manufacturer specializing in high-quality optical instruments and devices for the medical field, particularly in ophthalmology. The company is known for its innovative solutions that enhance diagnostic capabilities and improve patient outcomes. Based in Mentor, Ohio, Volk Optical focuses on developing advanced imaging tools and accessories that support eye care professionals in their practice. Their commitment to precision and quality positions them as a trusted partner in the healthcare industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Volk Optical Inc.

20 Patents

#12 in Mentor, OH

#714 in Ohio

#16,368 in US

#31,196 in the World

Mentor, OH, United States of America

Volk Optical Inc.

Forward Citations = 169

13 inventors:

Donald A Volk (11 out of 36 patents)

Steven D Cech (7 out of 20 patents)

Timothy D Edwards (3 out of 3 patents)

4. Gerald Kotnik (3 out of 4 patents)

5. Richard M Mueller (3 out of 3 patents)

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