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For the Inventor, By the Inventor

Mentor, OH, United States of America

Volk Optical Inc.

Calculating rank
USPTO Granted Patents = 20

% Expired Patents = 10.0


Trademarks = 30

Forward Citations = 169

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13 inventors (with patents filed for the assignee):

goldMedal Donald A Volk (11 out of 36 patents)

silverMedal Steven D Cech (7 out of 20 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Volk Optical Inc. USPTO Patent Assignee Logo
20 Patents

#12 in Mentor, OH

#714 in Ohio

#16,409 in US

#31,295 in the World

Mentor, OH (US)
Mentor, OH, United States of America

Volk Optical Inc.

Forward Citations = 169

13 inventors:

goldMedal Donald A Volk (11 out of 36 patents)

silverMedal Steven D Cech (7 out of 20 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Volk Optical Inc.. Retrieved from https://idiyas.com/company/volk-optical

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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