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Saxonburg, PA, United States of America

Ii-Vi Incorporated

USPTO Granted Patents = 71

% Expired Patents = 9.9

EPO Patents = 14

Trademarks = 2

Forward Citations = 290

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94 inventors (with patents filed for the assignee):

Ilya Zwieback (18 out of 27 patents)

Avinash K Gupta (16 out of 21 patents)

Thomas E Anderson (12 out of 21 patents)

4. Ian Peter McClean (11 out of 26 patents)

5. Elgin E Eissler (8 out of 28 patents)

6. Edward Semenas (8 out of 10 patents)

7. Mark H Garrett (7 out of 34 patents)

8. Aravanan Gurusami (6 out of 18 patents)

9. Wen-Qing Xu (6 out of 38 patents)

10. Massimo Martinelli (6 out of 10 patents)

11. Ping Wu (6 out of 9 patents)

12. Varatharajan Rengarajan (5 out of 13 patents)

13. Mark Filipowicz (5 out of 8 patents)

14. Gary E Ruland (5 out of 10 patents)

15. Andrew E Souzis (5 out of 6 patents)

Core Competencies:

Optical Fiber Amplifier

Silicon Carbide

Laser Source

Optical Modulator

Fiber Characteristics

Diamond Films

Optical Switch

Rare Earth Metals

Optical Amplifiers

Crystal Growth

Plasmonic Devices

Optical Filters

71 patents: Sort by Forward Citations

1. 10749309 - Compact optical fiber amplifier (2020-08-18),

2. 10615905 - Method and apparatus for hardware configured network (2020-04-07),

3. 10494713 - Method of forming an optically-finished thin diamond film, diamond substrate, or diamond window of high aspect ratio (2019-12-03),

4. 10373725 - Highly twinned, oriented polycrystalline diamond film and method of manufacture thereof (2019-08-06),

5. 10340507 - Method of preparing and application of carbon selenium composites (2019-07-02),

6. 10294584 - SiC single crystal sublimation growth method and apparatus (2019-05-21),

7. 10280511 - Method of manufacture of free standing microwave plasma CVD polycrystalline diamond films with major dimensions on the order of one wavelength of the utilized microwave (2019-05-07),

8. 10222675 - Thin film plasmonic optical modulator (2019-03-05),

9. 10215624 - Integrated optical tap monitor (2019-02-26),

10. 10209447 - Micro splice protector (2019-02-19),

11. 10186833 - Densely-spaced laser diode configurations (2019-01-22),

12. 10186829 - Compact laser source with wavelength stabilized output (2019-01-22),

13. 10148383 - Optical channel monitor with integral optical switch (2018-12-04),

14. 10030286 - Method of direct solvent extraction of rare earth metals from an aqueous acid-leached ore slurry (2018-07-24),

15. 9948058 - Method and apparatus for determining optical fibre characteristics (2018-04-17),

Company Overview

Ii-Vi Incorporated, headquartered in Saxonburg, PA, specializes in advanced optical technologies. The company develops and manufactures a diverse range of products, including optical fiber amplifiers, laser sources, and optical modulators, which are integral to telecommunications and industrial applications. Ii-Vi is also known for its innovations in silicon carbide and diamond films, enhancing performance in various electronic and photonic devices. Their expertise in rare earth metals further supports their commitment to advancing optical solutions globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

71 Patents

#1 in Saxonburg, PA

#196 in Pennsylvania

#5,162 in US

#10,503 in the World

Saxonburg, PA, United States of America

Ii-Vi Incorporated

Forward Citations = 290

94 inventors:

Ilya Zwieback (18 out of 27 patents)

Avinash K Gupta (16 out of 21 patents)

Thomas E Anderson (12 out of 21 patents)

4. Ian Peter McClean (11 out of 26 patents)

5. Elgin E Eissler (8 out of 28 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ii-Vi Incorporated. Retrieved from https://idiyas.com/company/ii-vi

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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