Mountain View, CA, United States of America

Xiangfeng Duan

This inventor holds 59 USPTO granted patents and 16 published patent applications, plus 2 CIPO patents and 5 EPO patents, primarily in Graphene Technologies (CPC class H01L). Top assignees: Nanosys, Inc., University of California, Harvard College. Active years: 2005-2025.

USPTO Granted Patents = 59 (Patent Applications = 16)

% Patents Active = 83.1

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 5 (Patent Applications = 11)

Average Co-Inventor Count = 4.3

ph-index = 19

Forward Citations = 1,461(Granted Patents)

Forward Citations (Not Self Cited) = 1,340(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Somerville, MA (US) (2005 - 2007)
Cambridge, MA (US) (2007)
Mountain View, CA (US) (2006 - 2014)
Los Angeles, CA (US) (2010 - 2024)

Company Filing History:

University of California

Sharp Kabushiki Kaisha Corporation

patents

where one patent can have more than one assignee

Years Active: 2005-2025

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Areas of Expertise:

Graphene Frameworks

Energy Storage

Electrocatalysis

Supercapacitors

Nanowires

Thin Films

Nanoenabled Devices

Semiconductors

Thermal Insulation

Material Integration

Nanostructures

Plasmon Generation

59 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12283696 - Holey graphene framework composites for ultra-high rate energy storage and methods of preparing such composites (2025-04-21),

2. 12255339 - Single-atom tailoring of platinum nanocatalysts for high-performance multifunctional electrocatalysis (2025-03-18),

3. 12054436 - Double-negative-index ceramic aerogels for thermal superinsulation (2024-08-06),

4. 11581541 - Solvated graphene frameworks as high-performance anodes for lithium-ion batteries (2023-02-14),

5. 11575006 - Van der Waals integration approach for material integration and device fabrication (2023-02-07),

6. 11421345 - Ultrafine nanowires as highly efficient electrocatalysts (2022-08-23),

7. 11348740 - Graphene frameworks for supercapacitors (2022-05-31),

8. 11011755 - Holey graphene framework composites for ultra-high rate energy storage and methods of preparing such composites (2021-05-18),

9. 10971727 - Solvated graphene frameworks as high-performance anodes for lithium-ion batteries (2021-04-06),

10. 10901243 - Graphene-based semiconductor chip for tunable THz plasmon generation (2021-01-26),

11. 10714272 - Graphene frameworks for supercapacitors (2020-07-14),

12. 10692660 - Three-dimensional graphene framework-based high-performance supercapacitors (2020-06-23),

13. 10689537 - Dispersions of holey graphene materials and applications thereof (2020-06-23),

14. 10370774 - Chemical vapor deposition growth of graphene (2019-08-06),

15. 10319589 - High performance thin films from solution processible two-dimensional nanoplates (2019-06-11),

Title: The Innovative Mind of Xiangfeng Duan

Introduction

Xiangfeng Duan is a prominent inventor based in Mountain View, CA, known for his groundbreaking contributions to materials science. With an impressive portfolio of 57 patents, Duan continues to push the envelope in innovation, particularly in the fields of thermal insulation and battery technology.

Latest Patents

Duan's recent patents showcase his dedication to enhancing technology and improving energy efficiency. One of his latest innovations is the development of double-negative-index ceramic aerogels for thermal superinsulation. This invention features a porous framework with interconnected double-paned wall structures made from ceramic material, designed to optimize thermal insulation.

In addition, he has patented a method involving solvated graphene frameworks as high-performance anodes for lithium-ion batteries. This design consists of an anode, cathode, and electrolyte containing lithium ions, with the anode consisting of a graphene framework film that boasts a specific surface area of over 600 mg. This advancement has significant implications for the energy storage sector.

Career Highlights

Duan has demonstrated an exceptional capacity for innovation throughout his career. Notably, he has worked with Nanosys, Inc. and the University of California, where he has contributed to cutting-edge research and technological development. His expertise in materials science has positioned him as a leading figure in his field.

Collaborations

Collaboration has been a key aspect of Duan's career. He has worked alongside accomplished colleagues such as Chunming Niu and J Wallace Parce. Together, they have fostered innovative research initiatives that advance the understanding and application of new materials.

Conclusion

Xiangfeng Duan exemplifies the spirit of innovation with his extensive patent portfolio and contributions to science and technology. His work on ceramic aerogels and lithium-ion batteries underscores his commitment to creating advanced materials that have a lasting impact on various industries. As he continues to explore new frontiers, the future holds great promise for his inventions and contributions to the world of technology.