Fukuoka, Japan

Makoto Suenaga

This inventor holds 3 USPTO granted patents. Top assignees: Hitachi Metals, Ltd., Honda Giken Kogyo K.k.. Active years: 1986-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Suenaga. Retrieved from https://idiyas.com/inventor/makoto-suenaga

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 = 3.0

ph-index = 2

Forward Citations = 21(Granted Patents)


Location History:

  • Fukuoka, JP (1986 - 1989)
  • Kitakyushu, JP (1989)

Company Filing History:


Years Active: 1986-1989

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3 patents (USPTO):Explore Patents

Title: Innovator Makoto Suenaga: Advancements in Nodular Cast Iron Production

Introduction

Makoto Suenaga is a distinguished inventor based in Fukuoka, Japan, known for his significant contributions to the field of metallurgy, particularly in the production of nodular cast iron. With a total of three patents to his name, Suenaga has developed innovative processes that enhance the mechanical properties of cast iron products, making them both high-quality and efficient to produce.

Latest Patents

Suenaga's latest patents revolve around processes that address critical challenges in the production of nodular cast iron. One of his key inventions, titled "Process of Producing Nodular Cast Iron," outlines a method that eliminates the need for extensive heat treatment in the final stages of production. This method employs a graphitization agent, such as silicon carbide or calcium carbide, combined with a graphite atomization agent, like bismuth. This innovative approach promotes graphitization and increases the number of graphite nodules, which subsequently leads to the creation of thin-shell cast iron products with desirable mechanical properties.

Another notable patent is focused on a "Brake Member and Method of Manufacturing Same." This invention details a brake component that is integrally cast from a single melt, comprising a sliding portion made of flaky graphite cast iron for superior damping capacity, and a high-strength cast iron hub. The sliding portion demonstrates impressive damping capacity, making it an essential innovation in automotive applications.

Career Highlights

Throughout his career, Makoto Suenaga has worked with several prominent companies, including Hitachi Metals, Ltd. and Honda Giken Kogyo Co., Ltd. His experience in these reputable organizations has not only honed his skills as an inventor but has also positioned him as a key player in advancing metallurgical technologies.

Collaborations

Suenaga has collaborated with skilled professionals such as Fumio Obata and Mitsuru Yano. Their collective expertise in metallurgy has contributed to the success of Suenaga’s innovative endeavors, allowing for the development of cutting-edge technologies and products in the field.

Conclusion

In summary, Makoto Suenaga is a remarkable inventor whose work in the production of nodular cast iron has paved the way for advancements in manufacturing processes. Through his latest patents, he has demonstrated not only innovation but also a commitment to enhancing the quality and efficiency of metallurgical products. Suenaga’s contributions continue to be significant in shaping the future of cast iron applications across various industries.

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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