Sakai, Japan

Tsutomu Masui

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Materials Corporation. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Masui. Retrieved from https://idiyas.com/inventor/tsutomu-masui

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Tsutomu Masui: Innovator in Eddy Current Flaw Detection Technology

Introduction

Tsutomu Masui is a notable inventor based in Sakai, Japan. He has made significant contributions to the field of flaw detection technology, particularly through his innovative patent related to eddy current detection methods. His work has implications for various industries, enhancing the safety and reliability of materials.

Latest Patents

Masui holds a patent for an "Eddy current flaw detection apparatus employing a resonance circuit." This apparatus features a pair of detecting coils arranged along the transit path of a conductor, generating magnetic fields in anti-phase. The design includes an alternating current bridge circuit that outputs an abnormality detection signal when changes in inductance occur. Additionally, the apparatus incorporates resonance coils that cancel out induction currents in a state of equilibrium, along with a capacity circuit to bring oscillation frequencies into resonance.

Career Highlights

Tsutomu Masui is currently employed at Mitsubishi Materials Corporation, where he continues to develop and refine technologies related to flaw detection. His expertise in this area has positioned him as a key figure in advancing the capabilities of non-destructive testing methods.

Collaborations

Masui has worked alongside talented colleagues, including Kazumasa Hori and Akio Ueno. Their collaborative efforts have contributed to the development of innovative solutions in the field of materials testing.

Conclusion

Tsutomu Masui's contributions to eddy current flaw detection technology exemplify the importance of innovation in ensuring material integrity. His work not only enhances safety standards but also reflects the ongoing advancements in engineering and technology.

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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