Tokyo, Japan

Kouhei Sakuma

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Lion Yushi Kabushiki Kaisha. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouhei Sakuma. Retrieved from https://idiyas.com/inventor/kouhei-sakuma

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Kouhei Sakuma: Innovator in Coal-Oil Dispersants

Introduction

Kouhei Sakuma is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of fuel technology, particularly with his innovative approach to coal-oil mixed fuels. His work focuses on enhancing the stability and fluidity of these fuels through effective dispersants.

Latest Patents

Kouhei Sakuma holds a patent for a dispersant designed for coal into oils. This dispersant comprises a metal salt of a dialkyl sulfosuccinate and a lower aliphatic alcohol. The resulting coal-oil mixed fuel containing this dispersant exhibits excellent stability and fluidity over extended periods, thanks to the high dispersing effect of the formulation.

Career Highlights

Sakuma's career is marked by his dedication to improving fuel technology. His innovative patent reflects his commitment to developing solutions that enhance the performance of mixed fuels. He works at Lion Yushi Kabushiki Kaisha, where he continues to contribute to advancements in this field.

Collaborations

Kouhei Sakuma collaborates with talented individuals such as Toshiyuki Ukigai and Tatsuji Yamashita. Their combined expertise fosters a creative environment that drives innovation in fuel technology.

Conclusion

Kouhei Sakuma's contributions to the development of dispersants for coal-oil mixed fuels highlight his role as an important inventor in the field. His work not only improves fuel stability but also paves the way for future advancements in energy solutions.

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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