Yokohama, Japan

Yuichi Ohsawa

This inventor holds 106 USPTO granted patents and 2 published patent applications, primarily in Magnetic Memory Technology (CPC class H01L43-08). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation. Active years: 1994-2021.

USPTO Granted Patents = 106 

% Patents Active = 82.1

Average Co-Inventor Count = 5.2

ph-index = 19

Forward Citations = 1,280(Granted Patents)

Forward Citations (Not Self Cited) = 1,220(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Ota, JP (1999)
  • Tokyo, JP (1996 - 2004)
  • Minato-ku, JP (2005)
  • Kanagawa-ken, JP (2001 - 2015)
  • Yokohama, JP (1994 - 2020)
  • Kanagawa, JP (2020)
  • Yokohama Kanagawa, JP (2021)

Company Filing History:


Years Active: 1994-2021

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Areas of Expertise:
Magnetic Memory
Spin Orbit Torque MRAM
Magnetoresistive Element
Nonvolatile Memory
Storage Density
Manufacturing Method
Multilayer Film
Ion Beam
Memory Device
Magnetic Layer
Memory Element
Spin Hall Effect
106 patents (USPTO):Explore Patents

Title: Yuichi Ohsawa: Pioneering Inventor in Magnetic Memory Devices

Introduction:

Yuichi Ohsawa, a prolific inventor based in Yokohama, Japan, has made significant contributions to the field of magnetic memory devices. With an impressive portfolio of 106 patents, Ohsawa has distinguished himself as a leading innovator in this cutting-edge technology.

Latest Patents:

Ohsawa's latest patents showcase his expertise in the development of magnetic memory devices. One embodiment features a magnetic memory device comprising a first insulating region, a first counter insulating region, a first conductive member, and a first magnetic element. Another patent introduces a magnetic memory device incorporating a first conductive layer, a first stacked body, and a controller.

Career Highlights:

Throughout his career, Yuichi Ohsawa has worked with esteemed companies such as Toshiba Corporation and Toshiba Memory Corporation (formerly Kabushiki Kaisha Toshiba). His groundbreaking research and inventive spirit have played a pivotal role in advancing the field of magnetic memory technology.

Collaborations:

Ohsawa has collaborated with industry experts including Hiroaki Yoda and Hitoshi Iwasaki, both of whom have contributed significantly to the development and commercialization of magnetic memory devices. Together, they have pushed the boundaries of innovation and set new standards in the industry.

Conclusion:

In conclusion, Yuichi Ohsawa stands as a trailblazing inventor in the realm of magnetic memory devices, with a remarkable patent portfolio and a legacy of innovation that continues to inspire future generations of inventors. His dedication to pushing the boundaries of technology underscores his status as a visionary in the field.

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