Konan, Japan

Hironobu Mizutani

This inventor holds 4 USPTO granted patents and 3 EPO patents. Top assignee: Ngk Spark Plug Company, Limited. Active years: 2010-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironobu Mizutani. Retrieved from https://idiyas.com/inventor/hironobu-mizutani

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

Calculating rank

% Patents Active = 75.0

 

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 4(Granted Patents)


Location History:

  • Aichi, JP (2010 - 2016)
  • Konan, JP (2018)

Company Filing History:


Years Active: 2010-2018

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4 patents (USPTO):Explore Patents

Title: Hironobu Mizutani: Innovator in Spark Plug Technology

Introduction

Hironobu Mizutani is a notable inventor based in Konan, Japan. He has made significant contributions to the field of spark plug technology, holding a total of 4 patents. His innovative designs have enhanced the performance and reliability of spark plugs, which are essential components in internal combustion engines.

Latest Patents

Mizutani's latest patents include a unique spark plug design featuring a ceramic insulator held by a crimp portion of a metallic shell. This crimp portion is engineered to satisfy specific dimensional relations, ensuring optimal performance. Another notable patent involves a spark plug that incorporates a central electrode and a noble metal tip, joined by a fusion portion. The design of the fusion portion is carefully crafted, with boundaries that curve in a way that enhances the overall functionality of the spark plug.

Career Highlights

Hironobu Mizutani is currently employed at NGK Spark Plug Company, Limited, where he continues to innovate and develop advanced spark plug technologies. His work has been instrumental in maintaining the company's reputation as a leader in the automotive components industry.

Collaborations

Mizutani has collaborated with talented coworkers such as Kei Takahashi and Kazuhiko Mori. Their combined expertise has contributed to the successful development of cutting-edge spark plug technologies.

Conclusion

Hironobu Mizutani's contributions to spark plug technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of engineering principles and a commitment to improving automotive performance.

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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