Kawasaki, Japan

E Noel Abarra

This inventor holds 21 USPTO granted patents, primarily in Magnetic Recording Media. Top assignees: Fujitsu Corporation, Seagate Technology Incorporated, Maxtor Corporation. Active years: 2003-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: E Noel Abarra. Retrieved from https://idiyas.com/inventor/e-noel-abarra

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


% Patents Active = 42.9

Average Co-Inventor Count = 2.9

ph-index = 9

Forward Citations = 191(Granted Patents)


Location History:

  • Kawasaki, JP (2003 - 2005)
  • Santa Clara, CA (US) (2007 - 2012)
  • Tokyo, JP (2011 - 2015)

Company Filing History:


Years Active: 2003-2015

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Areas of Expertise:
Magnetic Recording Medium
Perpendicular Magnetic Recording
High Density Storage
Thermal Stability
Soft Magnetic Underlayer
Spike Noise Elimination
Pinned Soft Underlayer
Anti-Ferromagnetically Coupled Layers
Magnetic Storage Apparatus
Recording Method
Magnetic Storage Device
21 patents (USPTO):Explore Patents

Title: E Noel Abarra: Innovator in Magnetic Recording Technologies

Introduction

E Noel Abarra, based in Kawasaki, Japan, is a prolific inventor with a remarkable portfolio of 21 patents. His work primarily focuses on advancements in magnetic recording technologies, showcasing his expertise and commitment to innovation in the field.

Latest Patents

Among his notable contributions, Abarra's latest patents include groundbreaking developments related to magnetic recording media specifically designed for perpendicular magnetic recording. His inventions detail a novel recording medium that features a specially constructed perpendicular magnetic recording layer supported by a unique magnetically soft underlayer structure. This structure is composed of at least two soft magnetic layers that possess varying magnetic permeabilities. The incorporation of a magnetic permeability gradient leads to significant benefits, such as reduced adjacent track erasure (ATE) and enhanced overwrite (OW) properties, improving the performance and reliability of data storage devices.

Career Highlights

Throughout his career, E Noel Abarra has made significant strides in his field while contributing to prominent companies, including Fujitsu Corporation and Seagate Technology Incorporated. His expertise has played a pivotal role in advancing the technologies that underpin modern data storage systems.

Collaborations

Abarra has collaborated with notable professionals in the industry, including B Ramamurthy Acharya and Iwao Okamoto. These partnerships have fostered an environment of creativity and innovation, allowing for the development of cutting-edge solutions in magnetic recording technologies.

Conclusion

E Noel Abarra's contributions to the realm of magnetic recording media exemplify his dedication to innovation and excellence. With a firm grasp of the complexities involved in data storage technologies, his inventions continue to shape the future of the industry, making a lasting impact on how information is stored and retrieved.

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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