Muroran, Japan

Masaru Fukumoto

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: The Japan Steel Works, Ltd.. Active years: 1980-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Fukumoto. Retrieved from https://idiyas.com/inventor/masaru-fukumoto

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1980-1981

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2 patents (USPTO):Explore Patents

Title: Innovations of Masaru Fukumoto

Introduction

Masaru Fukumoto is a notable inventor based in Muroran, Japan. He has made significant contributions to the field of steel production, particularly in the development of processes and equipment that enhance the quality of steel.

Latest Patents

Fukumoto holds 2 patents, showcasing his innovative approach to steel manufacturing. His latest patents include the "Molten Steel Droplet Scatter Regulation Cylinder" and a "Process for Preventing the Rephosphorization of Electric Steel." The molten steel droplet scatter regulation cylinder is designed to prevent the growth of molten steel droplets into solid steel blocks, which can deteriorate the internal properties of the steel. This is achieved by using materials with low wetting properties against molten steel, such as carbides and refractory materials. The process for preventing rephosphorization addresses the issue of phosphorus content increasing during the production of killed steel in a basic electric furnace. By refining the melt and removing slag effectively, this process significantly reduces the risk of rephosphorization.

Career Highlights

Fukumoto is associated with The Japan Steel Works, Ltd., where he has applied his expertise in steel production. His work has contributed to advancements in the efficiency and quality of steel manufacturing processes.

Collaborations

He has collaborated with notable coworkers, including Yoshiyuki Iwanami and Kenji Maeda, who have also contributed to innovations in the steel industry.

Conclusion

Masaru Fukumoto's contributions to steel production through his patents and collaborative efforts highlight his role as an influential inventor in the industry. His work continues to impact the quality and efficiency of steel manufacturing processes.

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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