Tokuyama, Japan

Fumito Kishimoto

This inventor holds 1 USPTO granted patent. Top assignees: Katokichi Co., Ltd., Tokuyama Soda Kabushiki Kaisha. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumito Kishimoto. Retrieved from https://idiyas.com/inventor/fumito-kishimoto

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 = 4.0

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Fumito Kishimoto: Innovator in Membrane Technology

Introduction

Fumito Kishimoto is a notable inventor based in Tokuyama, Japan. He has made significant contributions to the field of membrane technology, particularly in the separation of water-alcohol mixed liquids. His innovative approach has led to the development of a unique membrane that showcases excellent selective permeability.

Latest Patents

Kishimoto holds a patent for a membrane designed for the separation of water-alcohol mixed liquids through the pervaporation method. This membrane is composed of chitosan with a molecular weight ranging from 80,000 to 150,000 and a deacetylation degree adjusted between 80 to 95%. The membrane exhibits high mechanical strength and selective permeability to water, making it highly effective for its intended application. The preparation process involves dissolving chitosan in an acidic aqueous solution, shaping it into a membrane, and subsequently immersing it in an alkaline solution.

Career Highlights

Throughout his career, Fumito Kishimoto has worked with prominent companies, including Tokuyama Soda and Katokichi Co., Ltd. His experience in these organizations has contributed to his expertise in membrane technology and innovation.

Collaborations

Kishimoto has collaborated with notable colleagues such as Takashi Tsugita and Shinya Takeuchi. Their combined efforts have further advanced the research and development of membrane technologies.

Conclusion

Fumito Kishimoto's contributions to membrane technology, particularly through his patented innovations, highlight his role as a significant inventor in this field. His work continues to influence advancements in the separation processes of mixed liquids.

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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