Yokohama, Japan

Kazuhiro Tomioka

This inventor holds 36 USPTO granted patents, primarily in Magnetic Memory Devices. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Infineon Technologies Ag. Active years: 1994-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiro Tomioka. Retrieved from https://idiyas.com/inventor/kazuhiro-tomioka

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


% Patents Active = 66.7

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 418(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2004 - 2006)
  • Tsukuba, JP (2008 - 2009)
  • Tokyo, JP (1994 - 2012)
  • Yokohama, JP (2006 - 2019)
  • Seoul, KR (2015 - 2023)

Company Filing History:


Years Active: 1994-2026

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Areas of Expertise:
Magnetic Memory
Plasma Processing
Semiconductor Manufacturing
Memory Device
Magnetoresistive Element
Nonvolatile Memory
Fabrication Method
Sidewall Layer
Ferroelectric Capacitors
Plasma Etching
Thermal Management
Wiring Layers
36 patents (USPTO):Explore Patents

Title: The Innovations of Kazuhiro Tomioka: A Leader in Magnetic Memory Technology

Introduction

Kazuhiro Tomioka is an esteemed inventor based in Yokohama, Japan. With a remarkable portfolio of 34 patents to his name, he has made significant contributions to the field of magnetic memory devices. His work reflects a deep understanding of the complexities involved in memory technology and positions him as a key figure in the industry.

Latest Patents

Among his latest innovations are two notable patents that focus on magnetic memory devices and their manufacturing methods. The first patent describes a magnetic memory device that comprises a first conductor extending along a first direction and a second conductor above it, with a stack of layers including a magnetic resistance effect element. The first layer stack is designed with a rectangular shape, intersecting both the first and second directions.

The second patent outlines another magnetic memory device featuring a stacked structure that includes a magnetic layer and two insulating layers. The first insulating layer has a protrusion based on the stacked structure and a hole that allows for the connection of an electrode. The design ensures that the area of the second hole increases towards the stacked structure, enhancing functionality.

Career Highlights

Kazuhiro Tomioka has worked with notable companies such as Kabushiki Kaisha Toshiba and Toshiba Memory Corporation. Throughout his career, he has played an instrumental role in advancing magnetic memory technology, leading to the development of innovative solutions that meet the demands of modern computing.

Collaborations

His achievements are also attributed to fruitful collaborations with distinguished colleagues, such as Masatoshi Yoshikawa and Shuichi Tsubata. These partnerships have fostered a dynamic environment for innovation, allowing for the exchange of ideas and expertise that have propelled advancements in magnetic memory technology.

Conclusion

Kazuhiro Tomioka's dedication to innovation and his extensive patent portfolio underline his influence on the field of magnetic memory devices. His contributions not only showcase his technical prowess but also advance the industry's capabilities, setting a benchmark for future developments. As the demand for efficient memory solutions continues to grow, Tomioka's work remains pivotal in shaping the technological landscape.

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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