San Martin, CA, United States of America

Thomas Edward Karis

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: International Business Machines Corporation, Lexmark Corporation. Active years: 1995-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Thomas Edward Karis. Retrieved from https://idiyas.com/inventor/thomas-edward-karis-lr2v3u8p

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

USPTO Granted Patents = 6 

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 55(Granted Patents)


Company Filing History:


Years Active: 1995-2001

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6 patents (USPTO):Explore Patents

Title: Innovator Thomas Edward Karis: Pioneering Magnetic Recording Technologies

Introduction

Thomas Edward Karis, an inventive mind based in San Martin, CA, has made significant contributions to the field of magnetic recording technologies. With a total of six patents to his name, his innovations are at the forefront of data storage solutions, particularly in enhancing the performance and durability of devices operating at high rotational speeds.

Latest Patents

Karis's most recent patents include advancements in magnetic recording devices. One notable invention focuses on a magnetic recording data storage device designed to operate effectively at high rotational speeds. This device features a magnetic recording disk, spindle motor, and a head supported on an air bearing carrier. Remarkably, the spindle motor is equipped with ball bearings lubricated using a specialized grease comprising a polymeric amine and bis or tris (alkyl phenyl) phosphate, ensuring optimal operation of the disk drive.

Another significant patent introduced by Karis includes a magnetic recording data storage device that employs a spindle motor with lubricant-covered ball bearings. The lubricant used in this technology includes an alkali hydroxystearate, an ester oil, a dialkyldiphenylamine, and a dialkyldithiocarbamate. These innovative solutions are designed to improve the overall functionality and reliability of magnetic recording devices.

Career Highlights

Throughout his career, Thomas Edward Karis has collaborated with prominent companies, including International Business Machines Corporation (IBM) and Lexmark Corporation. His work in these organizations has been instrumental in driving forward the advancements in magnetic recording technology.

Collaborations

Karis has worked alongside notable colleagues such as Arthur F Diaz and Robert D Johnson, contributing to a culture of innovation and teamwork. His collaborations have fostered an environment ripe for creativity and development, leading to impactful inventions in the industry.

Conclusion

The contributions of Thomas Edward Karis to the field of magnetic recording technologies are commendable. With a total of six patents, his innovative approach to enhancing data storage devices demonstrates his dedication to progress. As technology continues to evolve, Karis's work serves as a testament to the importance of innovation in the realm 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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