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For the Inventor, By the Inventor

Chicago, IL, United States of America

Nanograf Corporation


USPTO Granted Patents = 12


Forward Citations = 4

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12 inventors (with patents filed for the assignee):

goldMedal Cary Michael Hayner (12 out of 14 patents)

silverMedal Joshua J Lau (9 out of 10 patents)

bronzeMedal Seonbaek Ha (9 out of 9 patents)

4.  Christine A Frysz (6 out of 234 patents)

5.  James Mckinney (6 out of 6 patents)

6.  Francis Wang (5 out of 5 patents)

7.  Aaron Yost (3 out of 3 patents)

8.  Kathryn Hicks (3 out of 3 patents)

9.  Rachid Amine (2 out of 5 patents)

10.  Jack Cavanaugh (2 out of 2 patents)

11.  Woo Hyun Chae (1 out of 1 patent)

12.  Pitawat Mahawattanangul (1 out of 1 patent)


12 patents:

1. 12463208 - Thermally disproportionated anode active material including turbostratic carbon coating (2025-11-04),
2. 12119482 - Graphene-containing metalized silicon oxide composite materials (2024-10-15),
3. 11929494 - Anode active material including low-defect turbostratic carbon (2024-03-12),
4. 11916221 - Composite anode material including surface-stabilized active material particles and methods of making same (2024-02-27),
5. 11670763 - Thermally disproportionated anode active material including turbostratic carbon coating (2023-06-06),
6. 11588150 - Anode active material including low-defect turbostratic carbon (2023-02-21),
7. 11189825 - Graphene-encapsulated electroactive material for use in a lithium ion electrochemical cell (2021-11-30),
8. 11171325 - Optimized electrode design for graphene based anodes (2021-11-09),
9. 11069919 - Cathode additives to provide an excess lithium source for lithium ion batteries (2021-07-20),
10. 10873075 - Composite anode material including particles having buffered silicon-containing core and graphene-containing shell (2020-12-22),
11. 10804530 - Composite anode material including surface-stabilized active material particles and methods of making same (2020-10-13),
12. 10608279 - Cathode additives to provide an excess lithium source for lithium ion batteries (2020-03-31),
Company Overview
Nanograf Corporation, based in Chicago, IL, specializes in the development and manufacturing of advanced materials, particularly focusing on silicon anode technology for lithium-ion batteries. The company aims to enhance energy density and performance in energy storage solutions, catering to various sectors including electric vehicles and consumer electronics. By leveraging innovative nanotechnology, Nanograf is positioned at the forefront of the energy transition, contributing to more efficient and sustainable battery systems.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#309 in Chicago, IL

#1,255 in Illinois

#25,557 in US

#48,163 in the World

Chicago, IL (US)
Chicago, IL, United States of America

Nanograf Corporation

Forward Citations = 4

12 inventors:

goldMedal Cary Michael Hayner (12 out of 14 patents)

silverMedal Joshua J Lau (9 out of 10 patents)

bronzeMedal Seonbaek Ha (9 out of 9 patents)

4.  Christine A Frysz (6 out of 234 patents)

5.  James Mckinney (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nanograf Corporation. Retrieved from https://idiyas.com/company/nanograf

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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