Okazaki, Japan

Eiji Ichihashi

This inventor holds 2 USPTO granted patents. Top assignee: Nippon Ester Co., Ltd.. Active years: 1987-1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Ichihashi. Retrieved from https://idiyas.com/inventor/eiji-ichihashi

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 = 4.4

ph-index = 2

Forward Citations = 29(Granted Patents)


Location History:

  • Okazaki, JP (1987)
  • Aichi, JP (1988)

Company Filing History:


Years Active: 1987-1988

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2 patents (USPTO):Explore Patents

Title: Eiji Ichihashi: Innovator in Copolyester and Composite Yarn Technologies

Introduction

Eiji Ichihashi is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced copolyesters and composite yarns. With a total of 2 patents to his name, Ichihashi's work exemplifies innovation and practical application in textile and polymer technologies.

Latest Patents

Ichihashi's latest patents include a phosphorus-containing copolyester and a denier-mixed composite yarn. The copolyester patent describes a random copolyester comprising recurring moieties that exhibit excellent heat resistance and flame retardance. The specific formulation allows for a unique balance of aromatic groups, enhancing the material's properties. The second patent focuses on a denier-mixed composite yarn that incorporates both coarse and fine filaments, providing superior dry feel, fullness, and softness to woven and knit fabrics. This innovative yarn structure is designed to improve the overall quality and performance of textile products.

Career Highlights

Eiji Ichihashi is associated with Nippon Ester Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His expertise in polymer chemistry and textile engineering has led to the successful commercialization of his patented technologies. Ichihashi's work not only contributes to the company's portfolio but also enhances the broader textile industry.

Collaborations

Ichihashi has collaborated with notable colleagues such as Takayuki Imamura and Tetsuo Matsumoto. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas, further driving advancements in their respective fields.

Conclusion

Eiji Ichihashi's contributions to the fields of copolyesters and composite yarns highlight his role as a leading inventor in materials science. His patents reflect a commitment to innovation and practical solutions that benefit the textile industry. Through his work, Ichihashi continues to inspire future advancements in material technologies.

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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