% Expired Patents = 50.0

EPO Patents = 3

Forward Citations = 48

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6 inventors (with patents filed for the assignee):

Joseph Harold Steinmetz (6 out of 45 patents)

Murthy Kompella (5 out of 15 patents)

Matthew Paul Wakeley (5 out of 16 patents)

4. Avinash Nidumbur (1 out of 1 patent)

5. Randeep S Sidhu (1 out of 1 patent)

6. Jeffrey Douglas Scotten (1 out of 2 patents)

7. Matthew P Wakeley (0 patent)

8. Joseph J Steinmetz (0 patent)

6 patents: Sort by Forward Citations

1. 8095704 - Integrated-circuit implementation of a storage-shelf router and a path controller card for combined use in high-availability mass-storage-device shelves that may be incorporated within disk arrays (2012-01-10),

2. 8006046 - Integrated-circuit implementation of a storage-shelf router and a path controller card for combined use in high-availability mass-storage-device shelves and that support virtual disk formatting (2011-08-23),

3. 7634614 - Integrated-circuit implementation of a storage-shelf router and a path controller card for combined use in high-availability mass-storage-device shelves and that support virtual disk formatting (2009-12-15),

4. 7353321 - Integrated-circuit implementation of a storage-shelf router and a path controller card for combined use in high-availability mass-storage-device shelves that may be incorporated within disk arrays (2008-04-01),

5. 7320084 - Management of error conditions in high-availability mass-storage-device shelves by storage-shelf routers (2008-01-15),

6. 7167929 - Integrated-circuit implementation of a storage-shelf router and a path controller card for combined use in high-availability mass-storage-device shelves that may be incorporated within disk arrays, and a storage-shelf-interface tunneling method and system (2007-01-23),

Company Overview

Sierra Logic is a leading provider of integrated circuits for optical networking applications. They specialize in high-performance, low-power chips for data center interconnects, optical transport networks, and cloud networking. With a focus on innovation and quality, Sierra Logic is dedicated to delivering cutting-edge solutions that meet the demands of today's rapidly evolving networking landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#7 in Roseville, CA

#10,570 in California

#44,981 in US

Roseville, CA, United States of America

Sierra Logic

Forward Citations = 48

6 inventors:

Joseph Harold Steinmetz (6 out of 45 patents)

Murthy Kompella (5 out of 15 patents)

Matthew Paul Wakeley (5 out of 16 patents)

4. Avinash Nidumbur (1 out of 1 patent)

5. Randeep S Sidhu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sierra Logic. Retrieved from https://idiyas.com/company/sierra-logic

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]

3 patents (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]