For the Inventor, By the Inventor

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Conway, SC, United States of America

Metglas, Inc.

USPTO Granted Patents = 48

% Expired Patents = 37.5

EPO Patents = 18

Trademarks = 3

Forward Citations = 304

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47 inventors (with patents filed for the assignee):

Ryusuke Hasegawa (20 out of 59 patents)

Nicholas J DeCristofaro (12 out of 67 patents)

Eric Theisen (10 out of 10 patents)

4. Daichi Azuma (9 out of 15 patents)

5. Gordon Edward Fish (9 out of 30 patents)

6. Scott M Lindquist (8 out of 11 patents)

7. Ronald Joseph Martis (7 out of 19 patents)

8. Carl Eugene Kroger (7 out of 7 patents)

9. Yuichi Ogawa (5 out of 8 patents)

10. Seshu V Tatikola (5 out of 5 patents)

11. Naoki Ito (4 out of 6 patents)

12. Donald Robert Reed, Jr (4 out of 4 patents)

13. John Paul Webb (4 out of 5 patents)

14. Peter Joseph Stamatis (4 out of 12 patents)

15. William Coughlan (3 out of 3 patents)

Core Competencies:

Amorphous Alloy

Magnetic Core

Nanocrystalline Alloy

Heat-Treatment

Transformer Core

Inductive Device

Brazing Alloys

Temperature Sensor

Low Core Loss

Ferromagnetic Ribbon

Mechanical Scribing

Electronic Article Surveillance

48 patents: Sort by Forward Citations

1. 12741311 - Process for in-line mechanically scribing of amorphous foil for magnetic domain alignment and core loss reduction (2026-09-22),

2. 12227818 - Amorphous alloy ribbon, production method therefor, and amorphous alloy ribbon piece (2025-02-18),

3. 12030115 - Process for in-line mechanically scribing of amorphous foil for magnetic domain alignment and core loss reduction (2024-07-09),

4. 11613101 - Magnetic material, laminated magnetic material, laminated packet, and laminated core using magnetic material, and magnetic material producing method (2023-03-28),

5. 11322281 - Multilayer block core, multilayer block, and method for producing multilayer block (2022-05-03),

6. 11264156 - Magnetic core based on a nanocrystalline magnetic alloy (2022-03-01),

7. 11230754 - Nanocrystalline magnetic alloy and method of heat-treatment thereof (2022-01-25),

8. 10566127 - Fe—Si—B—C-based amorphous alloy ribbon and transformer core formed thereby (2020-02-18),

9. 10337081 - Apparatus for annealing alloy ribbon and method of producing annealed alloy ribbon (2019-07-02),

10. 10316396 - Wide iron-based amorphous alloy, precursor to nanocrystalline alloy (2019-06-11),

11. 10046420 - Nickel-iron-phosphorus brazing alloys (2018-08-14),

12. 10022824 - Nickel-iron-phosphorus brazing alloys (2018-07-17),

13. 9970089 - Nickel-chromium-phosphorous brazing alloys (2018-05-15),

14. 8974609 - Ferromagnetic amorphous alloy ribbon and fabrication thereof (2015-03-10),

15. 8968490 - Ferromagnetic amorphous alloy ribbon with reduced surface protrusions, method of casting and application thereof (2015-03-03),

Company Overview

Metglas, Inc., based in Conway, South Carolina, specializes in the development and manufacturing of advanced materials, particularly amorphous and nanocrystalline magnetic alloys. The company focuses on creating high-performance magnetic cores and ferromagnetic materials that are essential for various applications, including electric machines and inductive devices. Additionally, Metglas produces temperature sensors and brazing alloys, contributing to innovations across multiple industries by enhancing efficiency and performance in electromagnetic applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

48 Patents

#1 in Conway, SC

#47 in South Carolina

#7,284 in US

#14,550 in the World

Conway, SC, United States of America

Metglas, Inc.

Forward Citations = 304

47 inventors:

Ryusuke Hasegawa (20 out of 59 patents)

Nicholas J DeCristofaro (12 out of 67 patents)

Eric Theisen (10 out of 10 patents)

4. Daichi Azuma (9 out of 15 patents)

5. Gordon Edward Fish (9 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Metglas, Inc.. Retrieved from https://idiyas.com/company/metglas

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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