Ehime, Japan

Takeshi Chigusa

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Chemical Company, Limited. Active years: 1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Chigusa. Retrieved from https://idiyas.com/inventor/takeshi-chigusa

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 = 3.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1987

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1 patent (USPTO):Explore Patents

Title: Takeshi Chigusa: Innovator in Polymer Slurry Finishing Methods

Introduction

Takeshi Chigusa is a notable inventor based in Ehime, Japan. He has made significant contributions to the field of polymer chemistry, particularly through his innovative methods of processing polymer slurry. With one patent to his name, Chigusa's work is a testament to the advancement of materials science, which plays a crucial role in various industries.

Latest Patents

Chigusa holds a patent for a "Finishing method of polymer slurry." This invention revolves around the polymerization process of ethylene and propylene, combined with other copolymerizable olefin monomers in a hydrocarbon solvent. His method involves the continuous or intermittent supply of polymer slurry to a specialized filter, which retains a small quantity of polymer particles. By efficiently recovering the majority of the hydrocarbon solvent through this filtering surface, Chigusa's technique significantly reduces the volume of solvent that needs to be vaporized. The result is a practical and efficient wet cake recovery of polymer particles.

Career Highlights

Currently, Takeshi Chigusa is associated with Sumitomo Chemical Company, Limited, where he continues to influence the development of polymer products. His career is marked by a deep commitment to innovation and improvement in chemical processing methodologies. Chigusa's work exemplifies the essential role of inventors in the evolution of industrial practices.

Collaborations

Throughout his professional journey, Chigusa has collaborated with esteemed colleagues such as Kiyoshi Matsuyama and Takatoshi Suzuki. These partnerships have not only fostered a productive work environment but have also led to advancements in their respective fields. The synergy between these inventors aids in enhancing the overall quality and efficiency of their innovations.

Conclusion

Takeshi Chigusa's contributions to the field of polymer slurry finishing represent a significant milestone in materials science. His inventive approach has implications for various industries, contributing to more efficient applications of polymers. As he continues his work with Sumitomo Chemical Company, Limited, the impact of his innovations is sure to be felt for years to come.

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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