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For the Inventor, By the Inventor

Kariya, Japan

Hiroshi Araki

This inventor holds 6 USPTO granted patents. Top assignees: Denso Corporation, Nippon Soken, Inc.. Active years: 2013-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Araki. Retrieved from https://idiyas.com/inventor/hiroshi-araki-1pywaoko

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Oobu, JP (2013)
  • Kariya, JP (2017 - 2021)

Company Filing History:

goldMedal6 out of 20,436 
 
Denso Corporation
 patents
silverMedal1 out of 1,600 
 
Nippon Soken, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2013-2021

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6 patents (USPTO):Explore Patents
1. 10985535 - Method for manufacturing spark plug with peripheral edge of proximal end surface of sealing distal-end layer prevented from significantly rising toward proximal end (2021-04-20),
2. 10933559 - Method of producing spark plug insulator (2021-03-02),
3. 9954344 - Spark plug for internal combustion engine (2018-04-24),
4. 9831638 - Spark plug (2017-11-28),
5. 9583916 - Alumina sintered body and spark plug using the same (2017-02-28),
6. 8431505 - Alumina sintered body and method for manufacturing same, and spark plug comprising the alumina sintered body as an insulator (2013-04-30),

Title: Hiroshi Araki: Innovator in Spark Plug Technology

Introduction

Hiroshi Araki is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of spark plug technology, holding a total of 6 patents. His innovative methods have advanced the manufacturing processes of spark plugs, showcasing his expertise and dedication to engineering.

Latest Patents

Hiroshi Araki's latest patents include a method for manufacturing a spark plug that prevents the peripheral edge of the proximal end surface of the sealing distal-end layer from significantly rising toward the proximal end. This method involves filling a space on the proximal end side of a center electrode in a shaft hole of an insulator with first electrically conductive glass powder, followed by filling it with resistor composition powder and second electrically conductive glass powder. The sintering process of these materials in the shaft hole is crucial for the performance of the spark plug. Another significant patent is the method of producing a spark plug insulator, which includes a molding step of preparing an alumina molded body and a sintering step that controls the oxygen atmosphere to enhance the quality of the insulator.

Career Highlights

Throughout his career, Hiroshi Araki has worked with prominent companies such as Denso Corporation and Nippon Soken, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in spark plug technology.

Collaborations

Hiroshi has collaborated with talented individuals in his field, including Hirofumi Suzuki and Tomoyuki Watanabe. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Hiroshi Araki's contributions to spark plug technology through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative methods continue to influence the manufacturing processes of spark plugs, ensuring enhanced performance and reliability.

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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