Yatabemachi, Japan

Masao Fujishige

This inventor holds 3 USPTO granted patents and 1 published patent application. Top assignee: Agency of Industrial Science and Technology. Active years: 1984-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masao Fujishige. Retrieved from https://idiyas.com/inventor/masao-fujishige

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

USPTO Granted Patents = 3 

% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 3

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1984-1987

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3 patents (USPTO):Explore Patents

Title: Masao Fujishige: Innovator in Aluminum Refining

Introduction

Masao Fujishige is a notable inventor based in Yatabemachi, Japan. He has made significant contributions to the field of aluminum refining, holding a total of 3 patents. His innovative methods have advanced the processes involved in aluminum production, showcasing his expertise and dedication to the industry.

Latest Patents

Fujishige's latest patents include a method of refining aluminum and a moulded object of alumina matter-containing raw material for aluminum smelting. The method of refining aluminum involves blowing oxygen gas into a carbon material within a blast furnace. This process creates both combustion regions and high-temperature reduction regions, allowing for the efficient formation of a crude aluminum alloy. The second patent focuses on a moulded object designed for aluminum smelting, which is formed by coating a moulded object with carbon material layers to enhance its effectiveness in the smelting process.

Career Highlights

Masao Fujishige is associated with the Agency of Industrial Science and Technology, where he has been instrumental in developing innovative solutions for aluminum production. His work has not only contributed to the efficiency of aluminum refining but has also positioned him as a key figure in the industry.

Collaborations

Fujishige has collaborated with notable coworkers, including Masayuki Dokiya and Harumi Yokokawa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Masao Fujishige's contributions to aluminum refining through his patents and collaborations highlight his role as an influential inventor in the field. His innovative methods continue to shape the future of aluminum production, demonstrating the importance of research and development in industrial 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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