Kanagawa, Japan

Akira Yoshioka

This inventor holds 58 USPTO granted patents and 10 published patent applications and 1 EPO patent, primarily in Semiconductor Devices. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation, Mitsubishi Rayon Company, Limited. Active years: 2004-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Yoshioka. Retrieved from https://idiyas.com/inventor/akira-yoshioka

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

USPTO Granted Patents = 58 

% Patents Active = 69.0


Average Co-Inventor Count = 4.9

ph-index = 5

Forward Citations = 83(Granted Patents)

Forward Citations (Not Self Cited) = 73(Dec 10, 2025)


Location History:

  • Hiroshima, JP (2014)
  • Nomi, JP (2015)
  • Kanagawa-ken, JP (2009 - 2016)
  • Nomi Ishikawa, JP (2016 - 2017)
  • Ishikawa, JP (2015 - 2018)
  • Kanazawa Ishikawa, JP (2017 - 2018)
  • Kanagawa, JP (2004 - 2022)
  • Yokohama, JP (2012 - 2024)
  • Yokohama Kanagawa, JP (2020 - 2024)

Company Filing History:


Years Active: 2004-2026

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Areas of Expertise:
Semiconductor Device
Nitride Semiconductor
Stacked Transistors
HEMT
GaN Based
Element Isolation
Manufacturing Method
Heterojunction
Schottky Barrier
Transistor
Field Effect
Solder Balls
58 patents (USPTO):Explore Patents

Title: Akira Yoshioka: Innovator in Nitride Semiconductor Technology

Introduction

Akira Yoshioka is a renowned inventor hailing from Kanagawa-ken, Japan. With an impressive portfolio of 50 patents, Yoshioka has significantly contributed to the field of semiconductor technology, particularly in nitride semiconductors.

Latest Patents

Among his latest innovations is a nitride semiconductor device featuring an element isolation area. This semiconductor device incorporates first and second nitride semiconductor layers. The design includes a first region, a second region, and a third region between the first and second regions. Essential components such as a first gate electrode and a first source electrode are carefully arranged to optimize performance. Another notable invention describes a semiconductor device that includes a first nitride semiconductor layer and a second nitride semiconductor layer, distinguished by their varying band gaps, further advancing the capabilities of semiconductor technology.

Career Highlights

Yoshioka has spent a significant portion of his career at esteemed organizations, including Kabushiki Kaisha Toshiba and Toshiba Electronic Devices & Storage Corporation. His innovative approaches have led to numerous advancements in semiconductor applications, establishing him as a key figure in the industry.

Collaborations

During his professional journey, Yoshioka has collaborated with accomplished peers, including Yasunobu Saito and Tetsuya Ohno. These collaborations have fostered an environment of innovation and excellence, allowing for groundbreaking developments in their field.

Conclusion

In summary, Akira Yoshioka's remarkable contributions to nitride semiconductor technology and his extensive patent portfolio underscore his status as an influential inventor. With continued innovation and collaboration, Yoshioka's work is likely to have a lasting impact on future technological advancements in the semiconductor industry.

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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