Palo Alto, CA, United States of America

Fred C Chung

This inventor holds 4 USPTO granted patents. Top assignees: Memorex Corporation, Memorex Telex N.v.. Active years: 1987-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fred C Chung. Retrieved from https://idiyas.com/inventor/fred-c-chung

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 2

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 1987-1992

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4 patents (USPTO):Explore Patents

Title: The Innovations of Fred C Chung

Introduction

Fred C Chung is a notable inventor based in Palo Alto, California. He has made significant contributions to the field of magnetic recording media, holding a total of four patents. His work has been instrumental in advancing the technology used in data storage and retrieval.

Latest Patents

Chung's latest patents include a magnetic recording medium comprising a polyester polyurethane polymer. This invention focuses on compositions for magnetic recording media that include a nonmagnetic support and a magnetic layer adhered to it. The magnetic layer consists of a ferromagnetic substance and a binder system, primarily made of polyester polyurethane polymer, along with a small percentage of a low molecular weight polyol crosslinked with a multifunctional isocyanate. The presence of the low molecular weight polyol is crucial for achieving desired performance characteristics, such as wound pile stability, layer-to-layer adhesion, and durability. Another significant patent involves the fabrication of magnetic recording media with a lubricant. This invention addresses the need for coatings that contain harsh pigments like CrO.sub.2 particles, ensuring good durability and abrasivity through a lubricant system that includes fluoro-silicone oil and a compatible fatty-acid-ester like butoxy ethyl stearate.

Career Highlights

Throughout his career, Fred C Chung has worked with prominent companies, including Memorex Corporation and Memorex Telex N.V. His expertise in magnetic recording technology has positioned him as a key figure in the industry.

Collaborations

Chung has collaborated with notable coworkers such as Ross P Clark and Dennis W Karle, contributing to various projects that have furthered advancements in magnetic recording technologies.

Conclusion

Fred C Chung's innovative work in magnetic recording media has had a lasting impact on the field. His patents reflect a deep understanding of materials and their applications in technology. His contributions continue to influence the development of data storage solutions.

Profile summary based on public USPTO records.
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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