Shiga, Japan

Nobu Yamaguchi

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Toray Industries, Inc.. Active years: 1977-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nobu Yamaguchi. Retrieved from https://idiyas.com/inventor/nobu-yamaguchi

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 35(Granted Patents)


Location History:

  • Shiga, JA (1977)
  • Shiga, JP (1987)

Company Filing History:


Years Active: 1977-1987

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2 patents (USPTO):Explore Patents

Title: Nobu Yamaguchi: Innovator in Melt-Spinning Technology

Introduction

Nobu Yamaguchi is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of synthetic fiber production through his innovative designs and technologies. With a total of 2 patents, Yamaguchi continues to push the boundaries of engineering in his industry.

Latest Patents

Yamaguchi's latest patents include a melt-spinning apparatus designed for producing various synthetic fibers. This apparatus features a polymer melter, a heat-insulating housing with a detachable ceiling cover, and a bottom with an opening. It also includes a detachable beam block with a cavity formed between longitudinal side walls, one of which has a polymer melt outlet. The melt-spinning pack is arranged below the beam block, with a head projection inserted into the cavity, allowing for efficient polymer melt passage. Additionally, he has developed a compact melt spinning apparatus that incorporates screw-type extruders, metering pumps, and a molten polymer conduit, all encased in a thermal insulation material.

Career Highlights

Yamaguchi is currently employed at Toray Industries, Inc., a leading company in the field of advanced materials. His work focuses on enhancing the efficiency and effectiveness of melt-spinning technologies, which are crucial for the production of high-quality synthetic fibers.

Collaborations

Throughout his career, Yamaguchi has collaborated with notable colleagues such as Masafumi Ogasawara and Yoshikazu Moriki. These partnerships have contributed to the advancement of innovative solutions in the field of synthetic fiber production.

Conclusion

Nobu Yamaguchi's contributions to melt-spinning technology exemplify his dedication to innovation in synthetic fiber production. His patents and collaborations highlight his role as a key figure in advancing engineering solutions in this industry.

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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