% Expired Patents = 77.8

Forward Citations = 127

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6 inventors (with patents filed for the assignee):

Olaleye A Aina (7 out of 14 patents)

Harry Stephen Hier (6 out of 7 patents)

Ayub Mohammed Fathimulla (5 out of 6 patents)

4. Hung C Lin (2 out of 25 patents)

5. Tom Pierce (1 out of 1 patent)

6. Ayub M Fahimulla (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 9671489 - Electromagnetic sensor and optical detection system for detecting angle of arrival of optical signals and a range of a source of the optical signals (2017-06-06),

2. 7605357 - Photon counting optically preamplified photoreceivers with micro-digitized pixels (2009-10-20),

3. 7339726 - Modulating retroreflector array using vertical cavity optical amplifiers (2008-03-04),

4. 7276723 - Ultra-linear multi-channel field effect transistor (2007-10-02),

5. 6992319 - Ultra-linear multi-channel field effect transistor (2006-01-31),

6. 6987306 - Monolithic photoreceiver technology for free space optical networks (2006-01-17),

7. 6480413 - Two-dimensional resonant tunneling diode memory cell (2002-11-12),

8. 6407439 - Programmable multi-wavelength detector array (2002-06-18),

9. 6285582 - Two-dimensional resonant tunneling diode memory system (2001-09-04),

Company Overview

Epitaxial Technologies is a leading provider of advanced semiconductor materials and solutions for the electronics industry. They specialize in producing high-quality epitaxial wafers for applications such as wireless communication, optoelectronics, and power devices. With a focus on innovation and customer satisfaction, Epitaxial Technologies is committed to delivering cutting-edge products that meet the needs of their clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

9 Patents

#55 in Baltimore, MD

#449 in Maryland

#32,605 in US

Baltimore, MD, United States of America

Epitaxial Technologies

Forward Citations = 127

6 inventors:

Olaleye A Aina (7 out of 14 patents)

Harry Stephen Hier (6 out of 7 patents)

Ayub Mohammed Fathimulla (5 out of 6 patents)

4. Hung C Lin (2 out of 25 patents)

5. Tom Pierce (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Epitaxial Technologies. Retrieved from https://idiyas.com/company/epitaxial-technologies

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]