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Los Angeles, CA, United States of America

Hybrid Power Generation Systems, LLC

USPTO Granted Patents = 21

% Expired Patents = 14.3

Forward Citations = 385

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40 inventors (with patents filed for the assignee):

Estela T Ong (5 out of 23 patents)

Nguyen Q Minh (5 out of 20 patents)

Timothy Joseph Rehg (4 out of 11 patents)

4. James Vincent Guiheen (3 out of 20 patents)

5. Jean Yamanis (3 out of 41 patents)

6. Zafar Iqbal (3 out of 26 patents)

7. Rajiv Doshi (3 out of 6 patents)

8. James Piascik (2 out of 53 patents)

9. Dave Narasimhan (2 out of 79 patents)

10. Jie Guan (2 out of 9 patents)

11. Daniel W Trimble (2 out of 5 patents)

12. Robert W McConnell (2 out of 4 patents)

13. Farrokh Issacci (2 out of 3 patents)

14. Gregory Lear (2 out of 4 patents)

15. Karl Fleer (1 out of 4 patents)

21 patents: Sort by Forward Citations

1. 6864007 - Corrosion resistant coated fuel cell plate with graphite protective barrier and method of making the same (2005-03-08),

2. 6838204 - Method and apparatus for fuel cell packaging (2005-01-04),

3. 6803136 - Stacking and manifolding of unitized solid oxide fuel cells (2004-10-12),

4. 6759764 - Grid load logic (2004-07-06),

5. 6756144 - Integrated recuperation loop in fuel cell stack (2004-06-29),

6. 6727603 - Automatic mode transitions for microturbine generating systems (2004-04-27),

7. 6686084 - Gas block mechanism for water removal in fuel cells (2004-02-03),

8. 6677069 - Sealless radial solid oxide fuel cell stack design (2004-01-13),

9. 6649296 - Unitized cell solid oxide fuel cells (2003-11-18),

10. 6649031 - Corrosion resistant coated fuel cell bipolar plate with filled-in fine scale porosities and method of making the same (2003-11-18),

11. 6632554 - High performance cathodes for solid oxide fuel cells (2003-10-14),

12. 6631080 - Systems and methods for boosting DC link voltage in turbine generators (2003-10-07),

13. 6622489 - Integrated gas booster modulation control method (2003-09-23),

14. 6589681 - Series/parallel connection of planar fuel cell stacks (2003-07-08),

15. 6584760 - Emissions control in a recuperated gas turbine engine (2003-07-01),

Company Overview

Hybrid Power Generation Systems, LLC specializes in the development and manufacturing of innovative hybrid power solutions. Based in Los Angeles, CA, the company focuses on integrating renewable energy sources with traditional power generation methods to enhance efficiency and sustainability. Their technology aims to address the growing demand for reliable energy systems while minimizing environmental impact. With a commitment to advancing hybrid energy technologies, the company plays a significant role in the evolving energy landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

21 Patents

#95 in Los Angeles, CA

#3,760 in California

#15,695 in US

#29,961 in the World

Los Angeles, CA, United States of America

Hybrid Power Generation Systems, LLC

Forward Citations = 385

40 inventors:

Estela T Ong (5 out of 23 patents)

Nguyen Q Minh (5 out of 20 patents)

Timothy Joseph Rehg (4 out of 11 patents)

4. James Vincent Guiheen (3 out of 20 patents)

5. Jean Yamanis (3 out of 41 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hybrid Power Generation Systems, LLC. Retrieved from https://idiyas.com/company/hybrid-power-generation-systems

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]

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