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Saxonburg, PA, United States of America

Ii-vi Incorporated

USPTO Granted Patents = 71

CIPO Patents = 7

EPO Patents = 13

Trademarks = 5

Forward Citations = 258

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104 inventors (with patents filed for the assignee):

Ilya Zwieback (18 out of 23 patents)

Avinash K Gupta (16 out of 21 patents)

Thomas E Anderson (12 out of 21 patents)

4. Ian Peter McClean (11 out of 20 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 16 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 11 patents)

13. Mark Filipowicz (5 out of 8 patents)

14. Gary E Ruland (5 out of 9 patents)

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

Core Competencies:

Optical Fiber Amplifier

Diamond Film Manufacturing

Silicon Carbide Growth

Optical Modulators

Laser Diode Configurations

Optical Channel Monitor

Rare Earth Metals Extraction

Optical Time Domain Reflectometry

Composite Substrates

Tunable Optical Filters

Electro-Optic Modulators

Optical Path Switching

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),

II-VI Incorporated is a global leader in engineered materials and optoelectronic components. The company designs, manufactures, and markets products that are used for a wide range of applications in industries such as aerospace, defense, telecommunications, and industrial markets. With a focus on innovation and technology, II-VI Incorporated offers a diverse portfolio of products including laser systems, infrared optics, semiconductor materials, and engineered solutions. Their commitment to quality and customer satisfaction has earned them a strong reputation in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

71 Patents

#1 in Saxonburg, PA

#192 in Pennsylvania

#4,945 in US

#10,065 in the World

Saxonburg, PA, United States of America

Ii-vi Incorporated

Forward Citations = 258

104 inventors:

Ilya Zwieback (18 out of 23 patents)

Avinash K Gupta (16 out of 21 patents)

Thomas E Anderson (12 out of 21 patents)

4. Ian Peter McClean (11 out of 20 patents)

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

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