Fujisawa, Japan

Youichi Matumoto

This inventor holds 2 USPTO granted patents. Top assignee: Nsk Corporation. Active years: 2003-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Youichi Matumoto. Retrieved from https://idiyas.com/inventor/youichi-matumoto

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


% Patents Active = 50.0

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2003-2005

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2 patents (USPTO):Explore Patents

Title: Youichi Matumoto: Innovator in Rolling Bearing Technology

Introduction

Youichi Matumoto is a distinguished inventor based in Fujisawa, Japan. He has made significant contributions to the field of rolling bearing technology, holding two patents that enhance the performance and longevity of these essential mechanical components.

Latest Patents

Matumoto's latest patents focus on a surface-treated rolling bearing and its manufacturing method. In environments where water tends to intrude into lubricants, hydrogen ions can form and accumulate, leading to stress corrosion cracking. His invention addresses this issue by creating an oxide layer of iron/chromium oxide on the raceway surfaces of bearing rings and rolling elements. This oxide layer, which can be formed through a simple tempering and re-heating process, effectively inhibits hydrogen intrusion, thereby preventing early peeling and significantly improving the rolling life of the bearings.

Career Highlights

Matumoto has dedicated his career to advancing rolling bearing technology. His work at NSK Corporation has positioned him as a key figure in the industry, where he continues to innovate and develop solutions that enhance the reliability and efficiency of mechanical systems.

Collaborations

Throughout his career, Matumoto has collaborated with notable colleagues, including Hiromichi Takemura and Yasuo Murakami. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Youichi Matumoto's contributions to rolling bearing technology exemplify the impact of innovative thinking in engineering. His patents not only address critical challenges in the field but also pave the way for future advancements in mechanical design.

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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