Cheng-Chieh Chao

This inventor holds 27 USPTO granted patents and 20 published patent applications and 3 EPO patents, primarily in Solid-State Batteries. Top assignees: Quantumscape Battery, Inc., Quantumscape Corporation. Active years: 2017-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Cheng-Chieh Chao. Retrieved from https://idiyas.com/inventor/cheng-chieh-chao

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

Calculating rank

USPTO Granted Patents = 27 (Patent Applications = 20)

% Patents Active = 100.0

EPO Patents = 3 (Patent Applications = 12)

Average Co-Inventor Count = 7.4

ph-index = 10

Forward Citations = 232(Granted Patents)

Company Filing History:

20 out of 68

Quantumscape Battery, Inc.

patents

7 out of 61

Quantumscape Corporation

patents

Years Active: 2017-2025

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Areas of Expertise:

Solid State Batteries

Lithium-Stuffed Garnet

Electrolyte Separators

Energy Storage Devices

Catholyte Materials

Annealed Electrolytes

Thin Films

Composite Electrolytes

Surface Defect Density

Transparent Separators

Borohydride

Secondary Phase Inclusions

27 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12347863 - Solid state catholyte or electrolyte for energy storage devices (2025-07-01),

2. 12237475 - Lithium-stuffed garnet electrolytes with a reduced surface defect density and methods of making and using the same (2025-02-25),

3. 12142727 - Translucent and transparent separators (2024-11-12),

4. 12119444 - Annealed garnet electrolyte separators (2024-10-15),

5. 12074281 - Lithium-stuffed garnet electrolytes with secondary phase inclusions (2024-08-27),

6. 12046712 - Solid-state battery (2024-07-23),

7. 11962002 - Cathode materials having oxide surface species (2024-04-16),

8. 11916200 - Lithium-stuffed garnet electrolytes with a reduced surface defect density and methods of making and using the same (2024-02-27),

9. 11901506 - Lithium-stuffed garnet electrolytes with secondary phase inclusions (2024-02-13),

10. 11855251 - Electrolyte separators including lithium borohydride and composite electrolyte separators of lithium-stuffed garnet and lithium borohydride (2023-12-26),

11. 11817551 - Lithium-stuffed garnet thin films and pellets having an oxyfluorinated and/or fluorinated surface and methods of making and using the thin films and pellets (2023-11-14),

12. 11600850 - Lithium-stuffed garnet thin films and pellets having an oxyfluorinated and/or fluorinated surface and methods of making and using the thin films and pellets (2023-03-07),

13. 11581612 - Electrolyte separators including lithium borohydride and composite electrolyte separators of lithium-stuffed garnet and lithium borohydride (2023-02-14),

14. 11581576 - Annealed garnet electrolyte separators (2023-02-14),

15. 11489193 - Lithium-stuffed garnet electrolytes with secondary phase inclusions (2022-11-01),

Title: Cheng-Chieh Chao: Pioneering Inventor from San Jose

Introduction: Cheng-Chieh Chao is a highly accomplished inventor based in San Jose, CA, known for her groundbreaking innovations in the field of technology.

Latest Patents: Cheng-Chieh Chao holds several patents in the areas of artificial intelligence, machine learning, and robotics, showcasing her dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Cheng-Chieh Chao has worked with prestigious tech companies, leading research institutions, and universities, contributing significantly to the development of cutting-edge technologies.

Collaborations: Throughout her career, Cheng-Chieh Chao has collaborated with top engineers, scientists, and researchers, fostering a culture of innovation and excellence in all her projects.

Conclusion: Cheng-Chieh Chao's passion for innovation and her relentless pursuit of technological advancement make her a true trailblazer in the field of inventing, inspiring future generations to push the limits of what is possible in the world of technology.

Profile summary based on public USPTO records.