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Bolingbrook, IL, United States of America

Epir Technologies, Inc.

USPTO Granted Patents = 14

% Expired Patents = 21.4

Trademarks = 4

Forward Citations = 56

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15 inventors (with patents filed for the assignee):

Sivalingam Sivananthan (11 out of 13 patents)

Christoph H Grein (6 out of 10 patents)

James K Garland (5 out of 13 patents)

4. Silviu Velicu (5 out of 12 patents)

5. Michael Carmody (4 out of 4 patents)

6. Robert W Bower (4 out of 11 patents)

7. Shubhrangshu Mallick (3 out of 3 patents)

8. Jerome Crocco (2 out of 2 patents)

9. Rasdip Singh (2 out of 2 patents)

10. Wayne H Lau (1 out of 1 patent)

11. Sir B Rafol (1 out of 2 patents)

12. Jean-Pierre Faurie (1 out of 1 patent)

13. Yuanping Chen (1 out of 1 patent)

14. Paul Boieriu (1 out of 1 patent)

15. Renganathan Ashokan (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 11257973 - Method for passing photovoltaic current between a subcell formed from a group II-VI semiconductor material and a subcell formed from a group IV semiconductor material (2022-02-22),

2. 10340405 - Tunnel heterojunctions in Group IV/Group II-IV multijunction solar cells (2019-07-02),

3. 9837563 - MBE growth technique for group II-VI inverted multijunction solar cells (2017-12-05),

4. 9455364 - Tunnel homojunctions in group IV / group II-VI multijunction solar cells (2016-09-27),

5. 8912428 - High efficiency multijunction II-VI photovoltaic solar cells (2014-12-16),

6. 8360818 - Automated chemical polishing system adapted for soft semiconductor materials (2013-01-29),

7. 8072801 - Method for creating nonequilibrium photodetectors with single carrier species barriers (2011-12-06),

8. 7824245 - Automated chemical polishing system adapted for soft semiconductor materials (2010-11-02),

9. 7821807 - Nonequilibrium photodetectors with single carrier species barriers (2010-10-26),

10. 7820971 - Photodetector with dark current reduction (2010-10-26),

11. 7586115 - Light emission from semiconductor integrated circuits (2009-09-08),

12. 7045378 - Forming a photodiode to include a superlattice exclusion layer (2006-05-16),

13. 6906358 - Nonequilibrium photodetector with superlattice exclusion layer (2005-06-14),

14. 6657194 - Multispectral monolithic infrared focal plane array detectors (2003-12-02),

EPIR Technologies, Inc. is a leading provider of advanced infrared photon detection and imaging solutions. With expertise in compound semiconductor materials and device fabrication, EPIR develops innovative applications for defense, security, industrial, and consumer markets. Through advanced research and development, EPIR has established itself as a trusted partner in delivering cutting-edge infrared technology solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

14 Patents

#4 in Bolingbrook, IL

#1,122 in Illinois

#22,271 in US

#42,135 in the World

Bolingbrook, IL, United States of America

Epir Technologies, Inc.

Forward Citations = 56

15 inventors:

Sivalingam Sivananthan (11 out of 13 patents)

Christoph H Grein (6 out of 10 patents)

James K Garland (5 out of 13 patents)

4. Silviu Velicu (5 out of 12 patents)

5. Michael Carmody (4 out of 4 patents)

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