Excelsior, MN, United States of America

John S Putnam

This inventor holds 7 USPTO granted patents. Top assignee: Seagate Technology Incorporated. Active years: 1991-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John S Putnam. Retrieved from https://idiyas.com/inventor/john-s-putnam

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


% Patents Active = 85.7

Average Co-Inventor Count = 1.9

ph-index = 4

Forward Citations = 162(Granted Patents)


Company Filing History:


Years Active: 1991-2004

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7 patents (USPTO):Explore Patents

Title: Innovations of John S. Putnam

Introduction

John S. Putnam is a notable inventor based in Excelsior, MN (US). He has made significant contributions to the field of disc drive storage systems, holding a total of 7 patents. His work focuses on minimizing distortion in drive signals and improving the performance of write heads in storage devices.

Latest Patents

One of his latest patents is the "Frequency extension method and apparatus for fast rise time writers." This invention addresses distortion in a drive signal caused by impedance mismatches between the signal source and the write head. The device introduces a connection that minimizes this mismatch, enhancing the efficiency of the disc drive storage system.

Another significant patent is the "Common mode termination method and apparatus for a write head." This invention eliminates uncharacteristic behavior of a signal source that arises when driving a low impedance due to common mode components in the drive signal. It includes a common mode termination network that provides a return path for the common mode signal component, further improving the functionality of the disc drive system.

Career Highlights

John S. Putnam is currently employed at Seagate Technology Incorporated, a leading company in data storage solutions. His innovative work has contributed to advancements in disc drive technology, making significant impacts in the industry.

Collaborations

Throughout his career, John has collaborated with talented individuals such as Kent J. Forbord and Brian W. Sudman. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

John S. Putnam's contributions to disc drive technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in 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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