Tokyo, Japan

Yasuharu Chuman

This inventor holds 3 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Hitachi Power Systems, Ltd.. Active years: 2002-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuharu Chuman. Retrieved from https://idiyas.com/inventor/yasuharu-chuman

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

USPTO Granted Patents = 3 

% Patents Active = 66.7

 

Average Co-Inventor Count = 6.3

ph-index = 1

Forward Citations = 29(Granted Patents)


Location History:

  • Nagasaki, JP (2002)
  • Tokyo, JP (2017)

Company Filing History:


Years Active: 2002-2025

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3 patents (USPTO):Explore Patents

Title: **Yasuharu Chuman: Innovator in Crack Monitoring Technology**

Introduction

Yasuharu Chuman, located in Nagasaki, Japan, is a distinguished inventor known for his contributions in the field of structural monitoring. With a focus on enhancing safety and reliability in high-temperature environments, his innovative methods have significant implications for industries where piping integrity is critical.

Latest Patents

Chuman holds a patent for a "Crack monitoring method and apparatus," which provides an ingenious approach for monitoring cracks within piping. This method includes an electrode attachment process, allowing heat-resistant current input-output electrodes to be affixed to the outer surface of piping. The positioning of the crack between these electrodes enables the measurement of intra-crack potential differences using a pair of heat-resistant potential difference measuring electrodes. By supplying alternating current, Chuman's invention calculates crack length based on electric potential differences, making necessary corrections for pipe temperature and pressure.

Career Highlights

Yasuharu Chuman is affiliated with Mitsubishi Heavy Industries Limited, where he has made notable contributions to the field of engineering and safety technology. His work focuses on optimizing monitoring techniques that can protect vital infrastructure in extreme conditions.

Collaborations

Throughout his career, Chuman has collaborated with talented colleagues, including Masafumi Yamauchi and Nobuhiko Nishimura. Together, they have worked on various projects that underscore the importance of innovation in addressing engineering challenges, particularly in the monitoring of structural integrity.

Conclusion

Yasuharu Chuman is a prominent figure in the field of crack monitoring technology. His innovative methods not only enhance safety in high-temperature environments but also reflect the critical role of inventors in advancing engineering practices. As industries continue to evolve, Chuman's contributions will likely pave the way for future innovations in structural monitoring and safety.

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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