% Expired Patents = 60.0

EPO Patents = 1

Forward Citations = 47

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8 inventors (with patents filed for the assignee):

Stefan Langenbach (2 out of 13 patents)

Theodor Kupfer (2 out of 18 patents)

Nebojsa Stojanovic (2 out of 19 patents)

4. Claus Dorschky (2 out of 6 patents)

5. Paul Presslein (1 out of 4 patents)

6. Mario Reinhold (1 out of 3 patents)

7. Eduard Rose (1 out of 1 patent)

8. Frank Kunz (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 7738602 - Channel estimation and sequence for the reception of optical signal (2010-06-15),

2. 7319363 - Method and circuit for controlling amplification (2008-01-15),

3. 7149270 - Clock recovery circuit (2006-12-12),

4. 7095817 - Method and apparatus for compensating for timing variances in digital data transmission channels (2006-08-22),

5. 6930628 - Amplitude detection for controlling the decision instant for sampling as a data flow (2005-08-16),

Company Overview

Coreoptics, Inc. is a leading provider of cutting-edge optical solutions for the telecommunications industry. With a focus on innovative technology and superior quality, we offer a wide range of products including optical transceivers, components, and modules. Our team of experts is dedicated to delivering reliable and high-performance solutions that meet the evolving needs of our customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#528 in Wilmington, DE

#732 in Delaware

#51,570 in US

Wilmington, DE, United States of America

Coreoptics, Inc.

Forward Citations = 47

8 inventors:

Stefan Langenbach (2 out of 13 patents)

Theodor Kupfer (2 out of 18 patents)

Nebojsa Stojanovic (2 out of 19 patents)

4. Claus Dorschky (2 out of 6 patents)

5. Paul Presslein (1 out of 4 patents)

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

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]

1 patent (EPO):

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]