Company Filing History:

7 out of 15,471

University of California

patents

2 out of 3,975

The United States of America As Represented by the United States

patents

1 out of 1

Advanced Materials and Design Corp.

where one patent can have more than one assignee

Years Active: 1978-1999

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5882436 - Giant magnetoresistive heterogeneous alloys and method of making same (1999-03-16),

2. 5824165 - Giant magnetoresistive heterogeneous alloys and method of making same (1998-10-20),

3. 4968347 - High energy product permanent magnet having improved intrinsic (1990-11-06),

4. 4830800 - Method of producing a dense refractory silicon nitride (SI.sub.3 (1989-05-16),

5. 4671827 - Method of forming high-strength, tough, corrosion-resistant steel (1987-06-09),

6. 4619714 - Controlled rolling process for dual phase steels and application to rod, (1986-10-28),

7. 4613385 - High strength, low carbon, dual phase steel rods and wires and process (1986-09-23),

8. 4170499 - Method of making high strength, tough alloy steel (1979-10-09),

9. 4170497 - High strength, tough alloy steel (1979-10-09),

10. 4067756 - High strength, high ductility low carbon steel (1978-01-10),

Title: The Innovative Contributions of Gareth Thomas

Introduction

Gareth Thomas is a prominent inventor based in Berkeley, CA, known for his significant contributions to the field of materials science. With a total of 10 patents to his name, Thomas has made remarkable advancements, particularly in the area of giant magnetoresistive materials.

Latest Patents

One of Thomas's latest patents is focused on "Giant magnetoresistive heterogeneous alloys and method of making same." This inventive material exhibits giant magnetoresistance when an external magnetic field is applied at room temperature, with minimal hysteresis. The material features a magnetic phase formed by eutectic decomposition, comprising regions characterized by the presence of magnetic lamellae. These lamellae are separated by a distance smaller than the mean free path of conduction electrons, with a matrix composition that has nonmagnetic properties interposed between them. The rapidly quenched eutectic alloys form microstructure lamellae with antiparallel antiferromagnetic coupling, resulting in GMR properties. The inventive process yields commercially acceptable quantities and timeframes, although annealing destroys the microstructure lamellae and the GMR effect. Notably, noneutectic alloys do not exhibit the antiparallel microstructure lamellae and lack GMR properties.

Career Highlights

Throughout his career, Gareth Thomas has worked with esteemed institutions, including the University of California and the United States of America as represented by the United States. His work has significantly impacted the field of materials science, particularly in the development of innovative materials with unique magnetic properties.

Collaborations

Thomas has collaborated with notable colleagues such as Bangaru V Rao and Ramamoorthy Ramesh, contributing to the advancement of research in his field.

Conclusion

Gareth Thomas's innovative work in giant magnetoresistive materials has established him as a key figure in materials science. His contributions continue to influence the development of advanced materials with practical applications.

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