Yokohama, Japan

Yoshihisa Iwata

This inventor holds 175 USPTO granted patents and 1 published patent application, primarily in Semiconductor Memory (CPC class 365185). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Kioxia Corporation. Active years: 1988-2024.

USPTO Granted Patents = 175 

% Patents Active = 66.9

Average Co-Inventor Count = 2.4

ph-index = 28

Forward Citations = 2,697(Granted Patents)

Forward Citations (Not Self Cited) = 2,597(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokahama, JP (2005)
  • Kanagawa, JP (1990 - 2018)
  • Kanagawa-Ken, JP (1998 - 2018)
  • Yokohama Kanagawa, JP (2016 - 2019)
  • Yokohama, JP (1988 - 2023)

Company Filing History:


Years Active: 1988-2024

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Areas of Expertise:
Semiconductor Memory Device
Three-Dimensional Stacked Memory
Non-Volatile Storage
Magnetic Memory
Programmable Logic Switch
Magnetoresistive Effect Memory
Pillars Buried Inside Holes
Voltage Output Measuring
175 patents (USPTO):Explore Patents

Title: Yoshihisa Iwata: Pioneering Innovations in Semiconductor Memory Devices

Introduction:

Yoshihisa Iwata is a highly accomplished inventor and engineer hailing from Yokohama, Japan. With an impressive portfolio of 171 patents, he has made significant contributions to the field of semiconductor memory devices. This article delves into his latest patents, career highlights, and notable collaborations, highlighting his invaluable contributions to the industry.

Latest Patents:

Iwata's recent patents showcase his expertise in crafting advanced semiconductor memory devices. One of his notable inventions includes a semiconductor memory device design featuring multiple conductive layers and memory cells. This design allows for increased efficiency and enhanced performance by optimizing the arrangement of components. By carefully manipulating the lengths and directions of the conductive layers, Iwata has demonstrated a remarkable ability to maximize functionality while minimizing space requirements. Such innovations are critical in the ever-evolving world of semiconductor technology.

Career Highlights:

Throughout his career, Iwata has made substantial contributions to the industry while working for renowned companies such as Toshiba. His work has been instrumental in pushing the boundaries of memory device technology. As a member of Kabushiki Kaisha Toshiba and Toshiba Memory Corporation, he has played an integral role in developing cutting-edge solutions for storage solutions. His relentless pursuit of excellence and forward-thinking approach have earned him a reputation as a leading expert in his field.

Collaborations:

Iwata's success can also be attributed to his collaborations with esteemed peers within the industry. Working alongside individuals like Yasuo Itoh and Masaki Momodomi, he has been able to leverage a combined wealth of knowledge and creativity to drive forward groundbreaking innovations. These collaborations highlight the power of teamwork and demonstrate how collective effort can lead to significant advancements in technology.

Conclusion:

Yoshihisa Iwata's exceptional skills and indomitable spirit have firmly positioned him as a key contributor to the world of semiconductor memory devices. His extensive patent portfolio showcases his technical prowess and dedication to pushing the boundaries of technology. With his relentless pursuit of innovation and notable collaborations, Iwata continues to make significant strides in this rapidly evolving industry. We eagerly anticipate his future contributions, which are sure to shape the landscape of semiconductor memory technology for years to come.

Profile summary based on public USPTO records.
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