Otsu, Japan

Seiichi Yamagata

This inventor holds 19 USPTO granted patents, primarily in Artificial Fur Manufacturing. Top assignee: Toray Industries, Inc.. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Yamagata. Retrieved from https://idiyas.com/inventor/seiichi-yamagata

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 = 2.6

ph-index = 10

Forward Citations = 284(Granted Patents)


Location History:

  • Otsu, JA (1976 - 1977)
  • Ohtsu, JP (1983)
  • Otsu, JP (1978 - 1989)
  • Ohtu, JP (1997)

Company Filing History:


Years Active: 1976-1997

Loading Chart...
Areas of Expertise:
Artificial Fur
Yarn Manufacturing
Twisted Yarn
Fasciated Yarn
Piled Fabric
Guard Hair Fibers
Under Fur Fibers
Multicolored Yarn
Spun Yarn
Production Method
Fabric Apparatus
Yarn Forming
19 patents (USPTO):Explore Patents

Title: Seiichi Yamagata: Innovator in Artificial Fur Technology

Introduction: Seiichi Yamagata is a prominent inventor based in Otsu, Japan, renowned for his groundbreaking work in the field of textile innovation, particularly artificial fur. With a total of 19 patents to his name, Yamagata has made significant contributions to the development of new materials that enhance the aesthetic and functional properties of textiles.

Latest Patents: One of Yamagata's latest inventions includes a patent for a fur-like piled fabric and a method for its production. This innovative synthetic fabric consists of a two-layer construction formed from guard hair fibers and under-fur fibers, designed to mimic the qualities of real fur. The production method involves creating a pile knitted or woven fabric using a specific blend of limited-length polyester fibers, followed by an alkali treatment to sharpen the leading terminals of the guard fibers and achieve a uniform length for the under-fur fibers.

Career Highlights: Yamagata has built an impressive career at Toray Industries, Inc., where he has been instrumental in advancing textile technologies. His work not only demonstrates an understanding of material science but also reflects a commitment to creating sustainable solutions in fabric production.

Collaborations: Throughout his career, Yamagata has collaborated with other talented inventors, including Takashi Nakayama and Masaaki Sakai. These partnerships have allowed him to leverage diverse expertise and drive forward innovative projects in the textile industry.

Conclusion: Seiichi Yamagata's contributions to the field of artificial fur and fabric technology have established him as a leading figure in the industry. His ongoing innovations continue to pave the way for new developments in textiles, enhancing both their quality and functionality for various applications.

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…