Ibaraki, Japan

Eisho Nakano

This inventor holds 2 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo K.k.. Active years: 1993-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eisho Nakano. Retrieved from https://idiyas.com/inventor/eisho-nakano

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 = 2

Forward Citations = 100(Granted Patents)


Company Filing History:


Years Active: 1993-1995

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Eisho Nakano: Innovator in Poly(phenylene Sulfide) Fibers

Introduction

Eisho Nakano is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the development of poly(phenylene sulfide) fibers. His innovative work has led to the filing of multiple patents, showcasing his expertise and dedication to advancing technology.

Latest Patents

Eisho Nakano holds 2 patents related to poly(phenylene sulfide) fibers. His latest patents include a detailed process for producing these fibers, which possess remarkable tensile strength and durability. The fibers exhibit a tensile strength of at least 3.5 g/d, a knot tenacity of at least 2 g/d, and a loop tenacity of at least 3.5 g/d. Additionally, they can withstand at least 3,000 abrasion cycles in a flexing abrasion test and endure at least 150 repeated flexings in a flexural fatigue test. The production process involves melt-spinning poly(phenylene sulfide), stretching the filaments at a specific draw ratio, and heat-treating them under controlled conditions.

Career Highlights

Eisho Nakano is associated with Kureha Kagaku Kogyo K.K., where he continues to innovate and develop advanced materials. His work has not only contributed to the company's success but has also positioned him as a key figure in the field of polymer science.

Collaborations

Eisho Nakano has collaborated with notable colleagues, including Masamichi Akatsu and Hiroyuki Endo. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Eisho Nakano's contributions to the development of poly(phenylene sulfide) fibers highlight his role as a leading inventor in materials science. His patents reflect a commitment to innovation and excellence in the field.

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]
Loading…