Kariya, Japan

Satoshi Hara

This inventor holds 2 USPTO granted patents. Top assignees: Denso Corporation, Ishifuku Metal Industry Co., Ltd.. Active years: 2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoshi Hara. Retrieved from https://idiyas.com/inventor/satoshi-hara-b61aqiiu

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 1


Company Filing History:


Years Active: 2023

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2 patents (USPTO):Explore Patents

Title: Satoshi Hara: Innovator in Spark Plug Technology

Introduction

Satoshi Hara is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of spark plug technology, holding a total of 2 patents. His innovative designs focus on enhancing the performance and reliability of spark plugs.

Latest Patents

Hara's latest patents include a unique spark plug design that features a first discharge chip and a second discharge chip. These chips face each other to define a spark gap, which measures between 0.23 mm and 0.6 mm. The design incorporates materials such as iridium or platinum, with tantalum added in a range of 0.5 wt % to 5.0 wt %. This construction minimizes the risk of separation of the discharge chips, ensuring better performance. Additionally, he has developed an iridium alloy that consists of iridium, platinum, and tantalum, with platinum content ranging from 5 wt % to 30 wt % and tantalum content from 0.3 wt % to 5 wt %.

Career Highlights

Throughout his career, Satoshi Hara has worked with prominent companies such as Denso Corporation and Ishifuku Metal Industry Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in spark plug technology.

Collaborations

Hara has collaborated with notable coworkers, including Nobuo Abe and Kenta Terai. Their combined expertise has fostered innovation in their respective fields.

Conclusion

Satoshi Hara's contributions to spark plug technology through his patents and collaborations highlight his role as an influential inventor. His work continues 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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