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For the Inventor, By the Inventor

Kanagawa, Japan

Yukio Kato

This inventor holds 4 USPTO granted patents. Top assignee: Western Digital Technologies, Inc.. Active years: 2021-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukio Kato. Retrieved from https://idiyas.com/inventor/yukio-kato-owpj2bv0

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 = 5.5

ph-index = 2

Forward Citations = 8(Granted Patents)


Company Filing History:

goldMedal4 out of 5,431 
 
Western Digital Technologies, Inc.
 patents

Years Active: 2021-2026

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4 patents (USPTO):Explore Patents
1. 12573427 - Smear height detection and measurement in a data storage device (2026-03-10),
2. 11244703 - In-situ NFT pre-treatment to accumulate optically transparent material on NFT to improve reliability (2022-02-08),
3. 10950267 - HAMR media to assist optically transparent build-up on NFT to improve reliability (2021-03-16),
4. 10950266 - In-situ NFT pre-treatment to accumulate optically transparent material on NFT to improve reliability (2021-03-16),

Title: Innovations of Yukio Kato in Magnetic Recording Technology

Introduction

Yukio Kato is a notable inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of magnetic recording technology, holding three patents that enhance the reliability and efficiency of magnetic media drives. His work is particularly relevant in the context of modern data storage solutions.

Latest Patents

Kato's latest patents focus on innovative methods for pretreating magnetic recording heads. One of his key inventions involves an in-situ NFT pre-treatment process that accumulates optically transparent material on the magnetic recording head. This process aims to improve the reliability of magnetic media drives by forming a transparent smear on the recording head. This transparent smear is created from materials found in the magnetic media itself. The pretreatment occurs without writing any data to the magnetic media, ensuring that the magnetic recording head does not overheat, which can lead to a shortened drive lifetime. If the transparent smear degrades over time, the magnetic recording head can be retreated, and if an optically absorbing smear develops, it can be removed to allow for the formation of a new transparent smear.

Career Highlights

Yukio Kato is currently employed at Western Digital Technologies, Inc., where he continues to innovate in the field of data storage. His work has been instrumental in advancing the technology used in magnetic recording, making it more efficient and reliable for consumers and businesses alike.

Collaborations

Kato has collaborated with several talented individuals in his field, including Sukumar Rajauria and Yuichi Aoki. These collaborations have contributed to the development of cutting-edge technologies in magnetic recording.

Conclusion

Yukio Kato's contributions to magnetic recording technology through his innovative patents demonstrate his commitment to enhancing data storage solutions. His work not only improves the reliability of magnetic media drives but also sets a foundation for future advancements in the industry.

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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