% Expired Patents = 20.0

Trademarks = 4

Forward Citations = 18

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7 inventors (with patents filed for the assignee):

Eleftherios Doudousakis (2 out of 2 patents)

Ciro Lee Sirio (2 out of 2 patents)

Jin He (1 out of 30 patents)

4. Del Hilburn (1 out of 2 patents)

5. Praveen Desireddy (1 out of 1 patent)

6. Carl Wildrick (1 out of 1 patent)

7. Joel Zaens (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 12700810 - Load independent voltage and current gain resonant topologies (2026-08-04),

2. 11942865 - Non-isolated power module with user adjustable pass-through mode (2024-03-26),

3. 10536087 - Half-bridge power converter with pre-charging circuit (2020-01-14),

4. 8164275 - Drive circuit for high-brightness light emitting diodes (2012-04-24),

5. 7869226 - Achieving ZVS in a two quadrant converter using a simplified auxiliary circuit (2011-01-11),

Company Overview

TDK-Lambda Americas Inc. is a leading provider of power supplies and converters, enabling customers in various industries to power their critical applications with reliable and efficient solutions. With a focus on innovation and quality, TDK-Lambda Americas Inc. delivers products that meet the highest standards in power conversion technology, helping customers achieve their goals with confidence and peace of mind.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#80 in Richardson, TX

#3,331 in Texas

#51,620 in US

Richardson, TX, United States of America

Tdk-Lambda Americas Inc.

Forward Citations = 18

7 inventors:

Eleftherios Doudousakis (2 out of 2 patents)

Ciro Lee Sirio (2 out of 2 patents)

Jin He (1 out of 30 patents)

4. Del Hilburn (1 out of 2 patents)

5. Praveen Desireddy (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tdk-Lambda Americas Inc.. Retrieved from https://idiyas.com/company/tdk-lambda-americas

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]