Yokohama, Japan

Daisaburo Takashima

USPTO Granted Patents = 229 

 

Average Co-Inventor Count = 1.8

ph-index = 21

Forward Citations = 1,790(Granted Patents)

Forward Citations (Not Self Cited) = 1,620(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kawasaki, JP (1991 - 1999)
  • Komukai Toshiba-cho, JP (2004)
  • Tokyo, JP (2005 - 2012)
  • Kanagawa-ken, JP (1996 - 2014)
  • Kanagawa, JP (2010 - 2018)
  • Yokohama, JP (1992 - 2023)
  • Yokohama Kanagawa, JP (2018 - 2024)

Company Filing History:


Years Active: 1991-2025

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Areas of Expertise:
Nonvolatile Memory
Semiconductor Memory
Variable Resistance Memory
Memory Device
Three-Dimensional Stacked Memory
Resistance Change Memory
Multi-Layer Resistive Memory
Memory Manufacturing Methods
Charge Storage Layer
Voltage Generator For Memory
Sense Amplifier Circuits
Fusion Memory
229 patents (USPTO):Explore Patents

Title: Daisaburo Takashima: Prolific Inventor Revolutionizing Memory Devices

Introduction:

Daisaburo Takashima, a renowned inventor based in Yokohama, Japan, has made significant contributions to the field of memory devices. With an impressive portfolio of 218 patents, Takashima's groundbreaking innovations have propelled the advancement of memory technology. This article delves into his latest patents, career highlights, collaborations, and the impact he has had on the industry.

Latest Patents:

Takashima's recent patents highlight his expertise in memory device design and manufacturing. One notable invention is the "Memory device and method of manufacturing memory device." This memory device features multiple interconnects, strings with switch elements and memory cells, and a driver unit, enabling efficient data storage and retrieval. Another innovative patent is "Memory device" which introduces a variable resistance layer and word lines to create memory cells, optimizing memory utilization within the device.

Career Highlights:

Takashima has an extensive track record, contributing significantly to the industry's innovation landscape. Over the years, he has been associated with leading companies such as Kabushiki Kaisha Toshiba and Toshiba Memory Corporation, where his expertise has been instrumental in driving groundbreaking advancements. Takashima's career highlights showcase his dedication to pushing the boundaries of memory device technology.

Collaborations:

Throughout his career, Takashima has collaborated with esteemed colleagues, leveraging their collective expertise to advance his inventions. Two notable coworkers include Ryu Ogiwara and Yukihito Oowaki. Their collaborative efforts have enriched the innovative solutions developed by Takashima and played a vital role in ensuring practical implementation possibilities.

Conclusion:

Daisaburo Takashima's remarkable journey as an inventor and his pioneering work in memory devices have reshaped the industry's landscape. With an impressive collection of patents and significant contributions to leading companies, he has proven himself as a driving force behind memory technology evolution. Takashima's innovative solutions continue to contribute to the development of more efficient and powerful memory devices, shaping a future where data storage capabilities are further expanded.

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