Trademarks = 1

Forward Citations = 2

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8 inventors (with patents filed for the assignee):

Silviu Velicu (7 out of 12 patents)

Sushant Sonde (5 out of 5 patents)

Yong Chang (5 out of 5 patents)

4. Sivalingam Sivananthan (2 out of 13 patents)

5. Wei Gao (2 out of 2 patents)

6. Chang Yong (2 out of 2 patents)

7. Srinivasan Krishnamurthy (1 out of 3 patents)

8. Issac L Chang (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 12540905 - System and method for optical mapping of semiconductor wafers at cryogenic temperatures under transmission geometry (2026-02-03),

2. 12317633 - Radiation hardened infrared focal plane array (2025-05-27),

3. 12075701 - HgCdTe metasurface-based terahertz source and detector (2024-08-27),

4. 12007323 - Compact apparatus for high-speed chemical spectral signature measurement and method of using same (2024-06-11),

5. 11725300 - In-situ laser annealing of Te growth defects in CdZnTe (ilast-czt) (2023-08-15),

6. 11670616 - Modified direct bond interconnect for FPAs (2023-06-06),

7. 11506598 - Compact apparatus for high-speed chemical spectral signature measurement and method of using same (2022-11-22),

Company Overview

Epir, Inc. is a leading provider of innovative energy solutions for a wide range of industries. We specialize in developing advanced technology to improve energy efficiency and reduce environmental impact. Our team of experts is dedicated to providing customized solutions that meet the unique needs of each client. With a strong focus on sustainability and innovation, Epir, Inc. is committed to helping businesses achieve their energy goals while minimizing their carbon footprint.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#9 in Bolingbrook, IL

#1,882 in Illinois

#39,879 in US

Bolingbrook, IL, United States of America

Epir, Inc.

Forward Citations = 2

8 inventors:

Silviu Velicu (7 out of 12 patents)

Sushant Sonde (5 out of 5 patents)

Yong Chang (5 out of 5 patents)

4. Sivalingam Sivananthan (2 out of 13 patents)

5. Wei Gao (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Epir, Inc.. Retrieved from https://idiyas.com/company/epir

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]