Nagoya, Japan

Tadahito Nagayasu

This inventor holds 4 USPTO granted patents. Top assignee: Toray Industries, Inc.. Active years: 1980-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadahito Nagayasu. Retrieved from https://idiyas.com/inventor/tadahito-nagayasu

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 = 4

Forward Citations = 55(Granted Patents)


Location History:

  • Nagoyashi, JP (1980)
  • Nagoya, JP (1987 - 1998)

Company Filing History:


Years Active: 1980-1998

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4 patents (USPTO):Explore Patents

Title: **Innovator Spotlight: Tadahito Nagayasu**

Introduction

Tadahito Nagayasu, an accomplished inventor based in Nagoya, Japan, has made significant contributions to the field of textile innovation. With a total of four patents to his name, Nagayasu’s work primarily focuses on improving the quality and production processes of hosiery and thermoplastic polymer fibers. His advancements have not only enhanced the functionality of textile products but have also addressed manufacturing efficiency.

Latest Patents

Nagayasu's latest patents include a groundbreaking process for producing hosiery. This invention features an every course hose created through knitting substantially exclusively a covered elastic yarn into the leg portion fabric. The covered elastic yarn is designed with a core elastic yarn wrapped by a covering yarn made from polyamide filaments, specifically designed to maintain a flat cross-section. This innovation improves the stretchability and comfort of hosiery.

His second major patent involves an apparatus for melt-spinning thermoplastic polymer fibers. This innovative machine allows for melt-spinning in a controlled decompressed environment, significantly enhancing the smoothness of the spinning operation and ensuring consistent yarn quality. It utilizes a narrow groove in a sealing body, which regulates airflow and pressure, effectively avoiding pulsations that could affect product integrity.

Career Highlights

Nagayasu's career is marked by his association with Toray Industries, Inc., a leading company in advanced materials and textiles. His work at Toray has had a substantial impact on the development and enhancement of textile technologies, especially within the realm of high-performance fabrics. His inventive mindset and engineering expertise have established him as a notable figure in his field, contributing to the company’s reputation for innovation.

Collaborations

Throughout his career, Tadahito Nagayasu has collaborated closely with several talented individuals, including Michio Ohno and Kazuo Umeda. Together, they have pushed the boundaries of textile engineering and have contributed to various innovative projects within Toray Industries.

Conclusion

In summary, Tadahito Nagayasu stands out as a prominent inventor in the textile industry. His latest patents showcase cutting-edge technology that enhances both the quality of products and the efficiency of manufacturing processes. As he continues to innovate at Toray Industries, the impact of his work will likely resonate throughout the industry for years to come.

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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