Hiroshima, Japan

Hirofumi Uno

This inventor holds 2 USPTO granted patents. Top assignee: Mitsubishi Rayon Company, Limited. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Uno. Retrieved from https://idiyas.com/inventor/hirofumi-uno-e0mml6nw

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 = 2.4

ph-index = 2

Forward Citations = 19(Granted Patents)


Location History:

  • Hiroshima, JP (1989)
  • Ohtake, JP (1989)

Company Filing History:


Years Active: 1989

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2 patents (USPTO):Explore Patents

Title: Hirofumi Uno: Innovator in Carbon Fiber Technology

Introduction

Hirofumi Uno is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of carbon fiber technology, holding 2 patents that showcase his innovative approaches. His work focuses on enhancing the properties and production processes of carbon fibers, which are essential materials in various industries.

Latest Patents

Uno's latest patents include a surface treatment process for carbon fibers and a method for producing polyacrylonitrile carbon fibers. The surface treatment process involves a two-step electrolytic treatment that improves the modulus of carbon fibers, ensuring they meet specific performance criteria. The second patent details the production of carbon fibers with excellent substrate strength and adhesion to matrix resin, characterized by precise nitrogen and silicon concentrations.

Career Highlights

Hirofumi Uno is associated with Mitsubishi Rayon Company, Limited, where he has been instrumental in advancing carbon fiber technologies. His expertise in the field has led to innovations that enhance the performance and applicability of carbon fibers in various sectors.

Collaborations

Uno has collaborated with notable colleagues such as Fujio Nakao and Hajime Asai. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the realm of carbon fiber research.

Conclusion

Hirofumi Uno's contributions to carbon fiber technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in materials science and engineering.

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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