Gifu, Japan

Masahiro Inoue

This inventor holds 16 USPTO granted patents and 8 EPO patents, primarily in Spark Plug Technology. Top assignees: Ngk Spark Plug Company, Limited, Kabushiki Kaisha Tokai Rika Denki Seisakusho. Active years: 2012-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Inoue. Retrieved from https://idiyas.com/inventor/masahiro-inoue-r7ucla6r

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

Calculating rank

% Patents Active = 62.5

 

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 102(Granted Patents)


Location History:

  • Gifu-ken, JP (2012)
  • Konan, JP (2014 - 2015)
  • Kounan, JP (2015)
  • Aichi, JP (2016)
  • Gifu, JP (2013 - 2020)

Company Filing History:


Years Active: 2012-2020

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Areas of Expertise:
Spark Plug
Ignition Plug
Light-Emitting Diode
Wiring Board
Multilayer Wiring Board
Manufacturing Method
Thermal Stress
Wiring Substrate
16 patents (USPTO):Explore Patents

Title: Masahiro Inoue: Innovator in Spark Plug Technology

Introduction

Masahiro Inoue is a prominent inventor based in Gifu, Japan, known for his significant contributions to spark plug technology. With a total of 16 patents to his name, Inoue has made remarkable advancements in the design and functionality of spark plugs, enhancing their performance and reliability.

Latest Patents

Inoue's latest patents include innovative designs for spark plugs. One notable patent describes a spark plug where a first electrode has a tip joined to an electrode base through a fusion zone. This design features a cross-section of the first electrode that includes a first region, a second region, and a base point located farthest from an imaginary straight line parallel to the center axis. The base point is strategically positioned to meet specific conditions, enhancing the spark plug's efficiency. Another patent outlines a spark plug that consists of an insulator, a center electrode, a metal shell, and a ground electrode. This design incorporates a noble metal tip that is partially embedded in an inclined surface, optimizing the spark plug's performance.

Career Highlights

Throughout his career, Inoue has worked with notable companies in the automotive industry, including NGK Spark Plug Company, Limited and NGK Spark Plug Co., Ltd. His work has significantly influenced the development of spark plug technology, making him a key figure in this field.

Collaborations

Inoue has collaborated with esteemed colleagues such as Atsuhiko Sugimoto and Hajime Saiki, contributing to various projects that have advanced spark plug technology.

Conclusion

Masahiro Inoue's innovative work in spark plug technology has led to numerous patents and advancements in the field. His contributions continue to impact the automotive industry positively.

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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