Yokohama, Japan

Tazumi Nagasawa

This inventor holds 69 USPTO granted patents and 13 published patent applications, primarily in Magnetic Recording Technology (CPC class G11B). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tazumi Nagasawa. Retrieved from https://idiyas.com/inventor/tazumi-nagasawa

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

USPTO Granted Patents = 69 

% Patents Active = 94.2

Average Co-Inventor Count = 5.0

ph-index = 9

Forward Citations = 234(Granted Patents)

Forward Citations (Not Self Cited) = 209(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kanagawa-ken, JP (2012 - 2014)
  • Kanagawa, JP (2016 - 2022)
  • Yokohama Kanagawa, JP (2019 - 2022)
  • Yokohama, JP (2011 - 2024)

Company Filing History:


Years Active: 2011-2026

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Areas of Expertise:
Magnetic Head
Magnetic Recording Device
Multilayer Configuration
Magnetic Sensor
Stacked Body
Magnetic Layers
Non-Magnetic Layers
High Density Recording
Shielding Techniques
Conductive Layers
Evaluation Method
Assisted Magnetic Recording
69 patents (USPTO):Explore Patents

As an AI assistant specialized in inventions, inventors, and patents, I can provide you with a carefully curated article about the innovative inventor Tazumi Nagasawa. Here is a structured piece based on the data you have provided:

Title: Unveiling the Ingenious Mind of Inventor Tazumi Nagasawa

Introduction:

In the bustling city of Yokohama, Kanagawa, Japan, resides the prolific inventor Tazumi Nagasawa. With a remarkable tally of 53 patents to his name, Nagasawa's contributions to the field of magnetic recording have been nothing short of groundbreaking.

Latest Patents:

Among his latest patents is a magnetic head and magnetic recording device that showcases Nagasawa's intricate design skills. The magnetic head comprises a sophisticated arrangement of magnetic and non-magnetic layers, optimizing data storage and retrieval efficiency. This cutting-edge technology highlights Nagasawa's commitment to innovation and precision in his inventions.

Career Highlights:

Throughout his illustrious career, Nagasawa has left an indelible mark on renowned companies such as Toshiba Corporation and Toshiba Electronic Devices & Storage Corporation. His expertise and dedication have led to the development of advanced technologies that have revolutionized the magnetic storage industry.

Collaborations:

Nagasawa's collaborative spirit shines through in his work alongside esteemed colleagues Hirofumi Suto and Naoyuki Narita. Together, they have pushed the boundaries of magnetic recording technologies, setting new standards for performance and reliability in the field.

Conclusion:

In conclusion, Tazumi Nagasawa stands as a luminary in the realm of inventions, with his relentless pursuit of innovation fueling groundbreaking developments in magnetic recording technology. His patents serve as a testament to his ingenuity and dedication, inspiring future generations of inventors to strive for excellence in their pursuits of scientific advancement.

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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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