Yokohama, Japan

Isamu Koseki

This inventor holds 1 USPTO granted patent. Top assignee: Tokyo Shibaura Electric Co., Ltd.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isamu Koseki. Retrieved from https://idiyas.com/inventor/isamu-koseki-c8ofr7x6

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 = 2.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: Isamu Koseki: Innovator in Tungsten Material Preparation

Introduction

Isamu Koseki is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of materials science, particularly in the preparation of tungsten materials. His innovative methods have implications for various industrial applications.

Latest Patents

Koseki holds a patent for a "Method for preparing tungsten materials." This method involves the preparation of tungsten powder obtained by reducing tungsten oxides with added doping agents. The process includes washing the tungsten powder first with hydrochloric acid of at least 4% concentration and then with hydrofluoric acid of at least 3% concentration. The washing steps can be performed simultaneously using a mixture of both acids. The resulting tungsten materials can be formed into articles that require only low high-temperature deformation. Koseki has 1 patent to his name.

Career Highlights

Isamu Koseki is associated with Tokyo Shibaura Electric Co., Ltd., where he has contributed to advancements in material preparation techniques. His work has been instrumental in enhancing the efficiency and effectiveness of tungsten material applications.

Collaborations

Koseki has collaborated with Motoo Seimiya, furthering research and development in the field of tungsten materials. Their partnership has led to innovative solutions and improvements in material processing.

Conclusion

Isamu Koseki's contributions to tungsten material preparation highlight his role as an innovator in materials science. His patented methods and collaborations continue to influence the 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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