Kanagawa, Japan

Tomoyasu Hirasawa

This inventor holds 52 USPTO granted patents and 4 published patent applications and 15 EPO patents, primarily in Cooling Devices (CPC class G03G). Top assignee: Ricoh Company, Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyasu Hirasawa. Retrieved from https://idiyas.com/inventor/tomoyasu-hirasawa

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

USPTO Granted Patents = 52 

% Patents Active = 55.8

 

Average Co-Inventor Count = 5.1

ph-index = 6

Forward Citations = 89(Granted Patents)

Forward Citations (Not Self Cited) = 69(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Setagaya-ku, JP (2010)
  • Tokyo, JP (2010 - 2011)
  • Yokohama, JP (2011 - 2016)
  • Kanagawa, JP (2011 - 2022)

Company Filing History:


Years Active: 2010-2026

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Areas of Expertise:
Image Projection
Loop Heat Pipe
Cooling System
Electronic Equipment
Image Forming Apparatus
Liquid Cooling
Air-Conditioning Unit
Heat Radiating Unit
Turbulence Generating Unit
Wick Manufacturing
Laser Device
Recording Medium Conveyor
52 patents (USPTO):Explore Patents

Sure, here is the article about inventor Tomoyasu Hirasawa:

Title: The Innovative Work of Inventor Tomoyasu Hirasawa

Introduction:

Tomoyasu Hirasawa is a prolific inventor based in Kanagawa, Japan, known for his remarkable contributions to the field of thermal management technology. With an impressive portfolio of 50 patents, Hirasawa-san has been at the forefront of developing cutting-edge solutions in areas such as loop heat pipes, cooling devices, and electronic devices.

Latest Patents:

Among his latest patents are inventions such as the loop heat pipe, cooling device, and electronic device. These innovations showcase Hirasawa's expertise in creating advanced systems for efficient heat transfer and thermal regulation. One notable feature is the incorporation of an elastic wick and wick deformation member to enhance the performance of the loop heat pipe wick, ensuring optimal contact pressure for improved heat dissipation.

Career Highlights:

Tomoyasu Hirasawa is a valued member of the renowned Ricoh Company, Ltd., where he continues to drive innovation and push the boundaries of thermal management technology. His work at Ricoh has not only led to groundbreaking inventions but has also established him as a key player in the industry.

Collaborations:

Throughout his career, Hirasawa has collaborated closely with esteemed colleagues such as Hiromitsu Fujiya and Keisuke Ikeda. Together, they have fostered a culture of innovation and knowledge sharing, leading to the successful development of several patented technologies.

Conclusion:

In conclusion, Tomoyasu Hirasawa stands as a shining example of ingenuity and expertise in the realm of thermal management technology. His commitment to innovation and his collaborative spirit have undoubtedly left a lasting impact on the industry. As he continues to push boundaries and explore new frontiers, Hirasawa's legacy as a visionary inventor is set to endure 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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