San Jose, CA, United States of America

Johnny C Chen

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignees: 3M Innovative Properties Company, Read Rite Corporation. Active years: 1992-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johnny C Chen. Retrieved from https://idiyas.com/inventor/johnny-c-chen-jihhzo2j

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 4

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1992-1994

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4 patents (USPTO):Explore Patents

Title: Johnny C Chen: Innovator in Magnetic Head Technology

Introduction

Johnny C Chen is a notable inventor based in San Jose, CA. He holds a total of 4 patents that contribute significantly to the field of magnetic head technology. His innovative work has paved the way for advancements in data recording and playback systems.

Latest Patents

Among his latest patents is the invention titled "Configuring domain pattern in thin films of magnetic heads." This patent describes a method for fabricating thin film magnetic heads using shaped magnetic thin films, preferably made of Permalloy. The design features a stepped configuration that enhances the alignment of magnetization in the P2 layer, ultimately improving the data signal being recorded. Another significant patent is the "Method of making a magnetoresistive head with integrated bias." This invention involves a thin-film magnetoresistive playback head that combines magnetic shielding and biasing functions, utilizing conductive magnetic shield layers to streamline the design.

Career Highlights

Throughout his career, Johnny has worked with prominent companies such as Minnesota Mining and Manufacturing Company and Read Rite Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the industry.

Collaborations

Johnny has collaborated with notable individuals in his field, including Peter G Bischoff and Theodore A Schwarz. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Johnny C Chen's contributions to magnetic head technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in data recording and playback systems.

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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