Toyoake, Japan

Shoichiro Nagatomo

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Ngk Spark Plug Company, Limited. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoichiro Nagatomo. Retrieved from https://idiyas.com/inventor/shoichiro-nagatomo

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: Shoichiro Nagatomo: Innovator in Spark Plug Technology

Introduction

Shoichiro Nagatomo is a notable inventor based in Toyoake, Japan. He has made significant contributions to the field of spark plug technology, particularly through his innovative designs that enhance performance and durability.

Latest Patents

Nagatomo holds a patent for a spark plug that features a specific ratio content. The invention aims to provide a spark plug that includes a central electrode and/or a ground electrode with a gap. This design effectively suppresses the generation of corrosion-like foreign substances while maintaining high thermal conductivity and strength. The gap between the central electrode and the ground electrode is formed from an electrode material that contains 96% by mass or more of nickel. Additionally, the electrode material includes a total content of 0.05% by mass to 0.45% by mass of at least one element selected from a group consisting of yttrium and rare earth elements, along with 0.05% by mass or more of manganese. The total content of titanium, vanadium, and niobium is also included, with a specific ratio of these elements to manganese.

Career Highlights

Nagatomo is currently associated with NGK Spark Plug Company, Limited, where he continues to innovate in spark plug technology. His work has been instrumental in advancing the performance and reliability of spark plugs used in various applications.

Collaborations

He has collaborated with notable coworkers such as Tsutomu Shibata and Takehito Kuno, contributing to the development of cutting-edge technologies in the automotive industry.

Conclusion

Shoichiro Nagatomo's contributions to spark plug technology exemplify the importance of innovation in enhancing product performance. His patent reflects a commitment to quality and efficiency in automotive components.

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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