For the Inventor, By the Inventor

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San Jose, CA, United States of America

Quantumscape Battery, Inc.

USPTO Granted Patents = 67

EPO Patents = 9

Trademarks = 2

Forward Citations = 205

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69 inventors (with patents filed for the assignee):

Tim Holme (36 out of 75 patents)

Niall Donnelly (28 out of 52 patents)

Zhebo Chen (21 out of 47 patents)

4. Cheng-Chieh Chao (20 out of 27 patents)

5. Sriram Rangarajan Iyer (19 out of 44 patents)

6. Timothy P Holme (14 out of 41 patents)

7. Lei Cheng (12 out of 38 patents)

8. Will Hudson (11 out of 24 patents)

9. Oleh Karpenko (11 out of 27 patents)

10. Mohit Singh (10 out of 44 patents)

11. Marie A Mayer (9 out of 17 patents)

12. Kian Kerman (8 out of 14 patents)

13. William H Gardner (7 out of 13 patents)

14. Shuang Li (7 out of 15 patents)

15. Gengfu Xu (7 out of 8 patents)

Core Competencies:

Solid State Battery

Garnet Electrolytes

Battery Thermal Management

Lithium-Stuffed Garnet

Electrochemical Cells

Catholytes

Ceramic Processing

Electrolyte Separators

Battery Control Systems

Thin Film Deposition

Predictive Battery Models

Hybrid Electrodes

67 patents: Sort by Forward Citations

1. 12479771 - Processes and materials for casting and sintering green garnet thin films (2025-11-25),

2. 12469876 - High green density ceramics for battery (2025-11-11),

3. 12378164 - Rapid thermal processing methods and apparatus (2025-08-05),

4. 12347863 - Solid state catholyte or electrolyte for energy storage devices (2025-07-01),

5. 12311805 - Thermal management system for vehicles with an electric powertrain (2025-05-27),

6. 12311804 - Battery thermal management system and methods of use (2025-05-27),

7. 12252032 - Battery control systems (2025-03-18),

8. 12240143 - Rapid ceramic processing techniques and equipment (2025-03-04),

9. 12237475 - Lithium-stuffed garnet electrolytes with a reduced surface defect density and methods of making and using the same (2025-02-25),

10. 12142727 - Translucent and transparent separators (2024-11-12),

11. 12119444 - Annealed garnet electrolyte separators (2024-10-15),

12. 12111109 - Lithium stuffed garnet setter plates for solid electrolyte fabrication (2024-10-08),

13. 12095031 - Garnet materials for Li secondary batteries and methods of making and using garnet materials (2024-09-17),

14. 12090684 - Rapid ceramic processing techniques and equipment (2024-09-17),

15. 12084387 - Processes and materials for casting and sintering green garnet thin films (2024-09-10),

QuantumScape is a leading developer of solid-state lithium-metal batteries for electric vehicles. The company's breakthrough technology promises to revolutionize the automotive industry by delivering safer, more energy-dense, and longer-lasting battery solutions. With strong partnerships and a solid track record of innovation, QuantumScape is poised to drive the future of clean transportation.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

67 Patents

#141 in San Jose, CA

#1,238 in California

#5,222 in US

#10,604 in the World

San Jose, CA, United States of America

Quantumscape Battery, Inc.

Forward Citations = 205

69 inventors:

Tim Holme (36 out of 75 patents)

Niall Donnelly (28 out of 52 patents)

Zhebo Chen (21 out of 47 patents)

4. Cheng-Chieh Chao (20 out of 27 patents)

5. Sriram Rangarajan Iyer (19 out of 44 patents)

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