Tokyo, Japan

Yuji Shirakata

This inventor holds 28 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Power Conversion Technology. Top assignee: Mitsubishi Electric Corporation. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Shirakata. Retrieved from https://idiyas.com/inventor/yuji-shirakata

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

USPTO Granted Patents = 28 

% Patents Active = 71.4

 

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2009 - 2017)
  • Tokyo, JP (2011 - 2022)

Company Filing History:


Years Active: 2009-2026

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Areas of Expertise:
Power Conversion Device
Capacitor Unit
Circuit Device
Electric Power System
Isolated Converter
Cooling Device
Electrical Rotating Machine
Control Apparatus
Semiconductor Device
Insulation Type Converter
Rotating Electric Machine
Electronic Circuit Board
28 patents (USPTO):Explore Patents

Title: Innovations and Achievements of Yuji Shirakata in Power Conversion Technologies

Introduction: Yuji Shirakata is a distinguished inventor based in Tokyo, Japan, known for his significant contributions to the field of power conversion technology. With an impressive portfolio of 25 patents, Shirakata's work demonstrates his commitment to advancing electrical systems and enhancing efficiency in various applications, particularly in the aviation sector.

Latest Patents: Yuji Shirakata's latest innovations include several groundbreaking patents. One of them is a power conversion apparatus that features a hermetic housing, a power semiconductor module, and is filled with dry gas to optimize performance. This innovative design incorporates a gas inlet valve and a gas outlet valve to maintain the integrity of the internal environment. Another notable patent is his development of an electric power system specifically tailored for aircraft, which specializes in providing reliable power conversion solutions essential for aviation safety and efficiency. Furthermore, Shirakata has patented methods of controlling power conversion apparatuses, showcasing his expertise in managing complex electrical systems to enhance their operational capabilities.

Career Highlights: Throughout his career, Shirakata has made substantial contributions while working at Mitsubishi Electric Corporation. His innovative spirit and dedication have allowed him to excel in developing advanced power system technologies that cater to various industries. His extensive patent portfolio not only reflects his ingenuity but also underscores his impact on the evolution of electrical engineering.

Collaborations: In his professional journey, Yuji Shirakata collaborates closely with esteemed colleagues such as Kenta Fujii and Koji Nakajima. Together, they strive to push the boundaries of electrical technology and create solutions that address the ever-evolving challenges within the power conversion and electrical systems sectors.

Conclusion: Yuji Shirakata stands out as a key figure in the realm of power conversion innovations. His contributions have significantly shaped the industry, particularly within aviation applications, showcasing the importance of research and development in driving technological progress. With a rich history of patents and collaborative efforts, Shirakata's work continues to inspire future innovations in electrical systems.

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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