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For the Inventor, By the Inventor

Parma, OH, United States of America

Graftech International Holdings Inc.

Calculating rank
USPTO Granted Patents = 107

% Expired Patents = 50.5



Trademarks = 12

Forward Citations = 730

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101 inventors (with patents filed for the assignee):

goldMedal Douglas J Miller (20 out of 28 patents)

silverMedal Irwin Charles Lewis (20 out of 63 patents)

bronzeMedal Bradley E Reis (15 out of 27 patents)

4.  Martin David Smalc (15 out of 37 patents)

5.  Richard Liichang Shao (14 out of 23 patents)

6.  Ching-Feng Chang (13 out of 16 patents)

7.  Julian Norley (11 out of 26 patents)

8.  Gary D Shives (10 out of 14 patents)

9.  Aaron Tomasek (9 out of 9 patents)

10.  Philip Dennis Coleman (8 out of 9 patents)

11.  Michael Frastaci (8 out of 11 patents)

12.  Robert Anderson Reynolds, Iii (8 out of 25 patents)

13.  William Varela (7 out of 9 patents)

14.  Robert Angelo Mercuri (7 out of 65 patents)

15.  Ronald Eric Gerhan (7 out of 8 patents)


Core Competencies:
Graphite Electrode
Thermal Management
Carbon Foam
Needle Coke
Graphite Substrate
Flexible Circuit Board
Battery Assembly
High Porosity Graphite
Low CTE Graphite
Display Device
LED Light Fixture

107 patents:

1. D1140946 - Display screen or portion thereof with graphical user interface (2026-08-11),
2. 12247786 - Systems and methods for graphite electrode identification and monitoring (2025-03-11),
3. 12097547 - Extrusion press and method of using (2024-09-24),
4. 11499779 - Systems and methods for graphite electrode identification and monitoring (2022-11-15),
5. 10253264 - Method of producing needle coke for low CTE graphite electrodes (2019-04-09),
6. 10237928 - Long length electrodes (2019-03-19),
7. 10011492 - Carbon products derived from lignin/carbon residue (2018-07-03),
8. D800149 - Display screen or portion thereof with graphical user interface (2017-10-17),
9. 9777221 - Method of producing needle coke for low CTE graphite electrodes (2017-10-03),
10. 9758905 - Process of making carbon fibers derived from lignin/carbon residue (2017-09-12),
11. 9683313 - Method of making carbon fibers from lignin (2017-06-20),
12. 9546764 - Display device with flexible circuit board having graphite substrate (2017-01-17),
13. 9546763 - Flexible circuit board with graphite substrate and circuit arrangements using same (2017-01-17),
14. 9546113 - High porosity/low permeability graphite bodies and process for the production thereof (2017-01-17),
15. 9497804 - Graphite electrode (2016-11-15),
Company Overview
Graftech International Holdings Inc., headquartered in Parma, Ohio, specializes in advanced graphite electrode technology essential for electric arc furnace steelmaking. The company develops and manufactures a range of products, including graphite electrodes, thermal management solutions, and high porosity graphite materials. Graftech's expertise extends to carbon foam and needle coke, supporting various applications in flexible circuit boards and battery assembly, positioning it as a key player in the materials science sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

107 Patents

#1 in Parma, OH

#169 in Ohio

#3,570 in US

#7,345 in the World

Parma, OH (US)
Parma, OH, United States of America

Graftech International Holdings Inc.

Forward Citations = 730

101 inventors:

goldMedal Douglas J Miller (20 out of 28 patents)

silverMedal Irwin Charles Lewis (20 out of 63 patents)

bronzeMedal Bradley E Reis (15 out of 27 patents)

4.  Martin David Smalc (15 out of 37 patents)

5.  Richard Liichang Shao (14 out of 23 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Graftech International Holdings Inc.. Retrieved from https://idiyas.com/company/graftech-international-holdings

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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