Oita, Japan

Rika Akiyoshi

This inventor holds 1 USPTO granted patent. Top assignee: Showa Denko K.k.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rika Akiyoshi. Retrieved from https://idiyas.com/inventor/rika-akiyoshi

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 = 3.0

ph-index = 1

Forward Citations = 31(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Rika Akiyoshi: Innovator in Thermoplastic Elastomers

Introduction

Rika Akiyoshi is a prominent inventor based in Oita, Japan. She has made significant contributions to the field of materials science, particularly in the development of thermoplastic elastomers. Her innovative work has led to the creation of a unique product that balances physical properties effectively.

Latest Patents

Rika Akiyoshi holds a patent for a thermoplastic elastomer that is prepared by treating a rubber/resin composition. This composition consists of 45-90 wt. parts of a rubbery component and 10-55 wt. parts of a polyolefin resin, which is treated with a curing agent. The rubbery component includes an ethylene-propylene copolymer rubber with specific characteristics, ensuring high performance and durability. The resulting cured product exhibits a gel content of more than 80 wt. % and less than 97 wt. %, demonstrating its effectiveness in various applications. She has 1 patent to her name.

Career Highlights

Rika Akiyoshi is associated with Showa Denko K.K., a company known for its advancements in chemical and material technologies. Her work at the company has been instrumental in pushing the boundaries of thermoplastic elastomer applications.

Collaborations

Rika has collaborated with notable colleagues, including Zenichiro Izumi and Shigeru Kurosawa. Their combined expertise has contributed to the success of her innovative projects.

Conclusion

Rika Akiyoshi's contributions to the field of thermoplastic elastomers highlight her role as a leading inventor in materials science. Her innovative patent reflects her dedication to advancing technology and improving product performance.

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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