Yokohama, Japan

Yuuichi Kamimuta

This inventor holds 43 USPTO granted patents and 4 published patent applications, primarily in Semiconductor Memory. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Kioxia Corporation. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuuichi Kamimuta. Retrieved from https://idiyas.com/inventor/yuuichi-kamimuta

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

USPTO Granted Patents = 43 

% Patents Active = 72.1

Average Co-Inventor Count = 3.6

ph-index = 4

Forward Citations = 84(Granted Patents)


Location History:

  • Kanagawa-Ken, JP (2006)
  • Kanagawa, JP (2007 - 2008)
  • Tsukuba, JP (2008 - 2011)
  • Yokohama, JP (2006 - 2012)
  • Fuchu, JP (2014)
  • Mie, JP (2017)
  • Yokkaichi Mie, JP (2021)
  • Yokkaichi, JP (2017 - 2024)

Company Filing History:


Years Active: 2006-2025

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Areas of Expertise:
Nonvolatile Memory
Ferroelectric Memory
Memory Device
Storage Device
Semiconductor Device
Ge Channel
Variable Resistance
Transistor Fabrication
Metal Oxide Film
Gate Electrode Formation
Single Film Formation
Increased Storage Capacity
43 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Yuuichi Kamimuta

Introduction

Yuuichi Kamimuta is a prominent inventor based in Yokohama, Japan, with an impressive portfolio of 42 patents to his name. His innovative work primarily focuses on memory devices, which have gained significant attention in the field of technology.

Latest Patents

Among Kamimuta’s latest inventions is a memory device that features a first interconnect layer, a second interconnect layer, a phase-change layer, and an adjacent layer. This phase-change layer is designed to transition reversibly between a crystalline state and an amorphous state, a breakthrough that enhances data storage capabilities. Another notable patent includes a memory device that encompasses a memory cell with resistance change and switching portions. This device utilizes a complex voltage applying circuit that facilitates various operations for writing data, showcasing Kamimuta's deep understanding of memory technology.

Career Highlights

Yuuichi Kamimuta has made significant strides in the tech industry, having worked with renowned companies such as Kabushiki Kaisha Toshiba and Toshiba Memory Corporation. His expertise and innovative mindset have placed him at the forefront of memory device development, leading to numerous patents that have advanced the field.

Collaborations

Throughout his illustrious career, Kamimuta has collaborated with talented professionals, including Masato Koyama and Akira Nishiyama. These partnerships have not only contributed to his success as an inventor but have also fostered a collaborative environment that encourages innovation within the industry.

Conclusion

With 42 patents and a strong foundation in memory device technology, Yuuichi Kamimuta represents the spirit of innovation within the tech community in Japan. His inventions continue to inspire future developments and underscore the importance of creativity and collaboration in the ever-evolving landscape of technology.

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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