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For the Inventor, By the Inventor

Cary, NC, United States of America

Rama Venkatasubramanian

This inventor holds 28 USPTO granted patents and 9 published patent applications and 1 EPO patent, primarily in Thermoelectric Devices. Top assignees: Johns Hopkins University, Research Triangle Institute, Nextreme Thermal Solutions, Inc.. Active years: 2000-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rama Venkatasubramanian. Retrieved from https://idiyas.com/inventor/rama-venkatasubramanian

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 28 

% Patents Active = 82.1


Average Co-Inventor Count = 1.9

ph-index = 10

Forward Citations = 621(Granted Patents)


Company Filing History:

goldMedal9 out of 3,806 
 
Johns Hopkins University
 patents
silverMedal9 out of 359 
 
Research Triangle Institute
 patents
bronzeMedal8 out of 14 
 
Nextreme Thermal Solutions, Inc.
 patents
4. 1 out of 1,211 
 
The United States of America as Represented by the Department of Energy
 patents
5. 2 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 2000-2025

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Areas of Expertise:
Thermoelectric Generator
Thermal Management
Microfluidic Device
Thin Film Devices
Cryogenic Cooler
Superlattice Structures
Power Generation
Conductive Posts
Rare Earth-Doped Materials
Hot-Spot Management
Prosthesis Technology
Temperature Control
28 patents (USPTO):Explore Patents
1. 12382830 - Large area scalable fabrication methodologies for versatile thermoelectric device modules (2025-08-05),
2. 12336429 - Thermotactile stimulation prosthesis (2025-06-17),
3. 11908769 - Superlattice structures for thermoelectric devices (2024-02-20),
4. 11701653 - Microfluidic device with localized temperature control (2023-07-18),
5. 11532778 - Fast-rate thermoelectric device (2022-12-20),
6. 11289756 - Active thermal management of battery cells via thermoelectrics (2022-03-29),
7. 11227988 - Fast-rate thermoelectric device (2022-01-18),
8. 10903139 - Superlattice structures for thermoelectric devices (2021-01-26),
9. 10734565 - Thermoelectric generator (2020-08-04),
10. 9850145 - Water purifier with integrated power generator (2017-12-26),
11. 9437796 - Rare earth-doped materials with enhanced thermoelectric figure of merit (2016-09-06),
12. 8623687 - Methods of forming thermoelectric devices including conductive posts and/or different solder materials and related methods and structures (2014-01-07),
13. 7997087 - Thin film thermoelectric devices for hot-spot thermal management in microprocessors and other electronics (2011-08-16),
14. 7838760 - Trans-thermoelectric device (2010-11-23),
15. RE41801 - Thin-film thermoelectric device and fabrication method of same (2010-10-04),

Title: The Innovative Contributions of Rama Venkatasubramanian

Introduction: Rama Venkatasubramanian, based in Cary, NC, has made significant contributions to the field of thermoelectrics and microfluidics, evidenced by his impressive portfolio of 26 patents. His work focuses on the development of advanced materials and devices that optimize energy efficiency and temperature control, making a profound impact in various technological applications.

Latest Patents: Venkatasubramanian's recent patents showcase his cutting-edge research and innovative thinking. One of his notable patents involves superlattice structures for thermoelectric devices. This technology includes an array of superlattice periods, each composed of different material layers, designed for enhancing the efficiency of thermoelectric devices. Moreover, he has developed a microfluidic device featuring localized temperature control. This device incorporates a thermoelectrically-activated pixel array alongside a microfluidic chip that allows for precise temperature management within the channel, leveraging thermal energy generated by the pixel array.

Career Highlights: Throughout his career, Rama Venkatasubramanian has collaborated with renowned institutions, including the Research Triangle Institute and Nextreme Thermal Solutions, Inc. His contributions to research and development have positioned him as a key inventor in his field, pushing the boundaries of traditional technologies.

Collaborations: Venkatasubramanian has also worked alongside esteemed colleagues, including Edward P. Siivola and Brooks O’Quinn. Their collective expertise and innovative spirit have further advanced their projects, leading to groundbreaking advancements in thermoelectric and microfluidic technologies.

Conclusion: Rama Venkatasubramanian stands out as a prolific inventor whose 26 patents reflect his dedication to innovation in thermoelectrics and microfluidics. His ongoing contributions continue to shape the future of these fields, demonstrating the important role of inventors in technological progress.

Profile summary based on public USPTO records.
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]
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