Mie, Japan

Junji Kojina

This inventor holds 1 USPTO granted patent. Top assignee: Jsr Corporation. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junji Kojina. Retrieved from https://idiyas.com/inventor/junji-kojina-n81lzbs5

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 = 4(Granted Patents)


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Junji Kojina: Innovator in Thermoplastic Elastomer Technology

Junji Kojina is a noteworthy inventor based in Mie, Japan, who has made significant contributions to the field of polymer technology. With a strong focus on thermoplastic elastomer compositions, his work plays a vital role in the advancement of materials used in diverse applications.

Latest Patents

Kojina holds one patent for a groundbreaking invention titled "1,2-polybutadiene, thermoplastic elastomer composition and polymer composition." This patent describes a polymer and thermoplastic elastomer composition containing 1,2-polybutadiene, which consists of a 1,2-bond content in the butadiene unit of 70% by weight or more. The patented composition demonstrates impressive properties, including a melting point ranging from 50 to 140 °C, a total halogen content of 30 ppm or less, and varying viscosities measured under specific conditions. These characteristics contribute to the composition's excellent moldability, visual appearance, and scratch resistance.

Career Highlights

Junji Kojina is a vital member of JSR Corporation, where he has been able to apply his innovative ideas and expertise in polymer science. His dedication to research and development has led to the creation of advanced materials that have significant implications in various industries, including automotive, electronics, and consumer goods.

Collaborations

Throughout his career, Kojina has collaborated with talented colleagues at JSR Corporation, including Koji Okada and Masato Suzuki. Together, they have contributed to enhancing the company's portfolio in polymer technologies, fostering an innovative environment that encourages creativity and scientific exploration.

Conclusion

In summary, Junji Kojina's contributions to thermoplastic elastomer technology exemplify the essence of innovation in material science. His patent for a specialized polymer composition highlights his expertise and commitment to developing advanced solutions that meet modern market demands. Working alongside skilled professionals at JSR Corporation, Kojina continues to push the boundaries of polymer research and application.

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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