Hitachinaka, Japan

Koji Soejima

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Komatsu Corporation. Active years: 2018-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Soejima. Retrieved from https://idiyas.com/inventor/koji-soejima-ns3hif74

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

USPTO Granted Patents = 2 

% Patents Active = 100.0


Average Co-Inventor Count = 1.5

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Hitachinaka, JP (2018)
  • Tokyo, JP (2024)

Company Filing History:


Years Active: 2018-2024

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2 patents (USPTO):Explore Patents

Title: Innovations by Koji Soejima

Introduction: Koji Soejima is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of engineering, particularly in the design of work vehicles and cooling devices. With a total of 2 patents, his work reflects a commitment to enhancing machinery efficiency and functionality.

Latest Patents: One of Soejima's latest patents is for a work vehicle that features a vehicle body frame, an engine hood, and both first and second extendable members. This innovative design allows for improved support and accessibility of the engine. Another significant patent involves a cooling device that includes an introduction pipe, first and second aftercoolers, and a cooling fan. This device is designed to efficiently cool charge air supercharged by a supercharger, showcasing Soejima's expertise in thermal management systems.

Career Highlights: Koji Soejima is currently employed at Komatsu Corporation, a leading company in the construction and mining equipment industry. His role involves developing advanced machinery that meets the demands of modern construction practices. His inventions have contributed to the company's reputation for innovation and quality.

Collaborations: Throughout his career, Soejima has worked alongside talented colleagues such as Yushi Tanaka and Yuuki Ishikawa. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion: Koji Soejima's contributions to the field of engineering through his patents and collaborations highlight his innovative spirit and dedication to improving work vehicles and cooling systems. His work continues to influence the industry and inspire future advancements.

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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