Oakland, CA, United States of America

Earl T Cohen

This inventor holds 154 USPTO granted patents and 8 published patent applications, plus 1 CIPO patent and 10 EPO patents, primarily in Non-Volatile Memory (CPC class G06F12-0246). Top assignees: Seagate Technology Incorporated, Cisco Technology, Inc., Exponential Technology, Inc.. Active years: 1995-2022.

USPTO Granted Patents = 154 

% Patents Active = 81.2


 

Average Co-Inventor Count = 2.2

ph-index = 26

Forward Citations = 3,160(Granted Patents)

Forward Citations (Not Self Cited) = 3,072(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Fremont, CA (US) (1995 - 2012)
  • Cupertino, CA (US) (2015 - 2018)
  • Milpitas, CA (US) (2015 - 2020)
  • Oakland, CA (US) (2007 - 2022)

Company Filing History:


Years Active: 1995-2022

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Areas of Expertise:
Non-Volatile Memory
Redundant Arrays
Error Recovery
Threshold Optimization
Flash Translation Layer
Storage Protection
Data Structures
Soft-Decision Decoding
I/O Device Interoperation
Retention Drift
Queue Management
154 patents (USPTO):Explore Patents

Earl T Cohen: An Innovator Redefining Data Storage

Introduction:

In the realm of data storage, Earl T Cohen has left an indelible mark with his prolific inventions and groundbreaking patents. Hailing from Oakland, California, Cohen has dedicated his career to revolutionizing the way we store and access information. With over 150 patents to his name, he has played a pivotal role in shaping the world of non-volatile memory (NVM) and solid-state disks (SSDs). This article delves into Cohen's latest patents, career highlights, notable collaborations, and his overall contribution to the field of data storage innovations.

Latest Patents:

Cohen's recent patents showcase his profound understanding of NVM and demonstrate his quest for enhanced data storage capabilities. One of his remarkable patents is the "Method of writing and reading data in an NVM using Lpage identification headers." This invention introduces a method to store non-header data into logical pages, better known as "Lpages," in NVM. It employs spanning read units and Lpage identification headers to efficiently locate and retrieve specific data within a flash memory controller map table.

Another groundbreaking patent of Cohen's is the "Fractional redundant array of silicon independent elements" targeting SSDs. This invention introduces higher-level redundancy information computation, enhancing the reliability of SSDs during flash memory failures. By employing algorithms such as XOR and weighted-sum, Cohen's invention provides robust redundancy capabilities to ensure consistent and error-free operation. The patent also explores the allocation of different storage capacities to accommodate redundancy information, enabling seamless functionality.

Career Highlights:

Cohen's illustrious career spans across renowned companies in the tech industry. He has contributed significantly to Seagate Technology Incorporated, a leading data storage solutions provider. During his tenure, Cohen helped drive innovation within the company, further solidifying its position as a key player in the industry. Additionally, Cohen lent his expertise to Cisco Systems, Inc. (not Cisco Technology, Inc.), where he played an instrumental role in advancing their technological advancements in data storage and networking solutions.

Collaborations:

Collaboration has been an integral part of Cohen's innovation journey, and his work has been enriched by the contributions of his peers. One notable collaboration was with Erich Franz Haratsch, a respected figure in the field of data storage. United by a common passion for advancing NVM technologies, Cohen and Haratsch synergized their expertise to achieve groundbreaking breakthroughs. Cohen also collaborated with Timothy Lawrence Canepa, contributing to the design and development of cutting-edge storage solutions.

Conclusion:

Earl T Cohen's impact on the realm of data storage innovations cannot be overstated. With his extensive patent portfolio and significant contributions to renowned companies like Seagate Technology Incorporated and Cisco Systems, Inc., Cohen has left an indelible mark on the industry. His latest patents, such as the innovative method of writing and reading data in NVM using Lpage identification headers, and the fractional redundant array of silicon independent elements for SSDs, exemplify his courage to push boundaries and redefine the possibilities in the data storage landscape. Going forward, one can only anticipate more groundbreaking inventions from this visionary innovator.

Profile summary based on public USPTO records.
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