Toyota, Japan

Akira Yamashita

This inventor holds 57 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 29 EPO patents, primarily in Internal Combustion Engine (CPC class F17C). Top assignees: Toyota Jidosha Kabushiki Kaisha, Jtekt Corporation, Nitto Kohki Co., Ltd.. Active years: 2008-2024.

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

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

Calculating rank
USPTO Granted Patents = 57 

% Patents Active = 61.4


 

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 141(Granted Patents)

Forward Citations (Not Self Cited) = 137(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Susono, JP (2008 - 2013)
  • Mishima, JP (2017)
  • Suntou-gun, JP (2015 - 2018)
  • Sunto-gun, JP (2016 - 2019)
  • Toyota, JP (2009 - 2023)
  • Shizuoka-ken, JP (2016 - 2024)

Company Filing History:


Years Active: 2008-2024

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Areas of Expertise:
Hydrogen Engine
Rotating Electrical Machine
Magnet Embedded Motor
Pressure Reducing Valve
Cooling Device
Engine Control Apparatus
Fuel Cell System
Throttle Valve
Piston Cooling Device
Check Valve
Valve Device
High Pressure Tank
57 patents (USPTO):Explore Patents

Title: The Innovative Journey of Akira Yamashita

Introduction: Akira Yamashita is an acclaimed inventor based in Toyota, Japan, renowned for his contributions to technology, particularly in the automotive sector. With a remarkable portfolio of 57 patents, he has played a significant role in developing groundbreaking inventions that push the boundaries of engineering and design.

Latest Patents: Among his latest innovations is a sophisticated controller for hydrogen engines. This invention utilizes an Engine Control Module (ECM) to calculate a peak value of in-cylinder pressure before ignition, adjusting the ignition timing to maintain optimal engine performance. Another notable patent is for a rotating electrical machine designed to enhance torque while reducing the use of permanent magnets. This advanced machine features a rotor core with strategically embedded auxiliary and main magnets, optimizing both efficiency and effectiveness.

Career Highlights: Akira Yamashita has garnered invaluable experience during his tenure at leading companies, including Toyota Motor Corporation and JTEKT Corporation. His work in these organizations has positioned him as a pioneer in innovative automotive technologies. His commitment to enhancing engine performance and efficiency is evident in the patents he has developed throughout his career.

Collaborations: Yamashita has collaborated with esteemed colleagues such as Masaaki Kondo and Shusuke Inagi. Their collective efforts have fostered an environment of creativity and innovation, contributing significantly to the advancement of automotive technologies.

Conclusion: Akira Yamashita’s impactful inventions and his dedication to innovation have established him as a key player in the field of engineering. His latest patents reflect a deep understanding of the challenges facing modern automotive technology, positioning him as a thought leader in the pursuit of sustainable and efficient energy solutions. As he continues to develop new technologies, the influence of his work is expected to resonate across the industry for years to come.

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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