Shizuoka, Japan

Masami Yamaguchi

This inventor holds 4 USPTO granted patents. Top assignee: Ntn Corporation. Active years: 1998-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Yamaguchi. Retrieved from https://idiyas.com/inventor/masami-yamaguchi-fdk813hr

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 = 4.4

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Iwata, JP (1998 - 2002)
  • Shizuoka, JP (2012)

Company Filing History:


Years Active: 1998-2012

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Masami Yamaguchi

Introduction

Masami Yamaguchi, an accomplished inventor based in Shizuoka, Japan, has significantly impacted the field of engineering with his innovative designs and inventions. Holding four patents, Yamaguchi has demonstrated a commitment to advancing technology and improving manufacturing processes.

Latest Patents

Among his recent patents, the "Hollow Power Transmission Shaft and Method of Manufacturing the Same" stands out. This invention involves a hollow shaft material equipped with a movable induction heating coil. By applying a high-frequency current through the coil, Yamaguchi’s method performs induction hardening from the outer surface of the shaft. Notably, he adjusts the frequency of the current based on the diameter of the shaft, ensuring optimal hardening across varying thicknesses. Another significant patent is the "Distortion Control Method and Cooling Power Measuring Device." This method addresses the challenge of distortion during quenching by maintaining the cooling power of the medium within a prescribed range. This innovation enhances precision and consistency in manufacturing processes.

Career Highlights

Masami Yamaguchi has dedicated his professional journey to Ntn Corporation, where his innovative contributions have enhanced the company’s product offerings and technological advancements. His work has not only led to valuable patents but has also positioned him as a key figure in the engineering community.

Collaborations

Yamaguchi has worked alongside talented colleagues, including Michio Iihara and Yasushi Takahara. This collaboration fosters a creative environment that encourages the exchange of ideas, further driving innovation within their field.

Conclusion

Masami Yamaguchi’s inventive spirit and dedication to engineering have resulted in valuable patents that contribute to advancements in manufacturing techniques. His collaborations and continual innovation reflect his commitment to excellence and influence in the industry. As he continues his journey, Yamaguchi remains an inspiring figure for aspiring inventors and engineers alike.

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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