Saitama, Japan

Eiki Tsushima

This inventor holds 1 USPTO granted patent. Top assignee: Toa Nenryo Kogyo Kabushiki Kaisha. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiki Tsushima. Retrieved from https://idiyas.com/inventor/eiki-tsushima-t8c7gdvu

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 = 5.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Eiki Tsushima: Innovator in Carbon Fiber Technology

Eiki Tsushima is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of materials science, particularly in the development of high modulus carbon fibers. His innovative approach has led to advancements that are crucial for various industrial applications.

Latest Patents

Eiki Tsushima holds a patent for "High modulus pitch-based carbon fiber and method for preparing same." This patent describes a method for producing extremely high modulus carbon fibers through carbonization at a substantially lower temperature, specifically around 2500°C. The process involves selectively stabilizing only the outer surface layer of a carbonaceous pitch-based fiber, which is primarily composed of optically anisotropic components. This technique allows the inner portion of the fiber to remain in a non-stabilized state without compromising its crystallinity. Tsushima's work in this area has the potential to revolutionize the production of carbon fibers, making them more efficient and cost-effective.

Career Highlights

Throughout his career, Eiki Tsushima has been associated with Toa Nenryo Kogyo Kabushiki Kaisha, where he has been able to apply his expertise in carbon fiber technology. His innovative methods and dedication to research have positioned him as a key figure in the industry. With a total of 1 patent to his name, Tsushima continues to push the boundaries of what is possible in materials science.

Collaborations

Eiki Tsushima has worked alongside talented colleagues such as Takashi Hino and Tsutomu Naito. Their collaborative efforts have contributed to the advancement of carbon fiber technology and have fostered an environment of innovation within their organization.

Conclusion

Eiki Tsushima's contributions to the field of carbon fiber technology exemplify the impact of innovative thinking in materials science. His patented methods for producing high modulus carbon fibers are a testament to his expertise and dedication to advancing the industry. As he continues to work with his colleagues, the future of carbon fiber technology looks promising.

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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