Yamaguchi, Japan

Yuji Matsui

This inventor holds 4 USPTO granted patents. Top assignee: Ube Industries, Inc.. Active years: 1988-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Matsui. Retrieved from https://idiyas.com/inventor/yuji-matsui-tkmjcn0a

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


% Patents Active = 75.0

Average Co-Inventor Count = 3.1

ph-index = 3

Forward Citations = 45(Granted Patents)


Location History:

  • Ube, JP (1988 - 1993)
  • Yamaguchi, JP (2012)

Company Filing History:


Years Active: 1988-2012

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4 patents (USPTO):Explore Patents

Title: Innovator Yuji Matsui: Pioneering Advanced Packaging Solutions

Introduction: Yuji Matsui, an accomplished inventor based in Yamaguchi, Japan, has made significant contributions to the field of materials science. With a total of four patents to his name, Matsui specializes in innovative processes that enhance the packaging of electronic devices and the production of abrasive materials. His work continues to have a profound impact on the industries he serves.

Latest Patents: Among Matsui’s latest patents is a comprehensive method for packaging electronic devices. This process utilizes an insulating protective resin layer formulated from various resin compositions. These compositions include an organic solvent-soluble resin with a polysiloxane skeleton, along with precise amounts of epoxy compounds and polyvalent isocyanate compounds to ensure durability and effectiveness. Additionally, his patent on abrasive sheets focuses on a blend of an aromatic polyimide resin matrix and evenly dispersed abrasive grains, emphasizing flexibility, mechanical strength, and heat resistance.

Career Highlights: Matsui's professional journey is marked by his dedication to research and innovation at Ube Industries, Inc. His expertise in polymer science and engineering has enabled him to develop processes that not only improve product performance but also optimize manufacturing efficiency.

Collaborations: Throughout his career, Matsui has collaborated with esteemed colleagues such as Kiyoshi Kumagawa and Kenji Kuniyasu. Together, they have worked on various projects that leverage their collective expertise in materials science, further enhancing the technological advancements in their field.

Conclusion: Yuji Matsui stands out as a pivotal inventor whose work contributes to both the evolution of electronic device packaging and the development of high-performance abrasive materials. His ongoing research and innovative approaches not only drive his company, Ube Industries, Inc., forward but also positively influence the broader industrial landscape.

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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