Shunan, Japan

Yuji Kubo

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Tosoh Corporation. Active years: 1998-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuji Kubo. Retrieved from https://idiyas.com/inventor/yuji-kubo-194txvyn

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 = 3.3

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Mie-ken, JP (1998)
  • Yokkaichi, JP (1998)
  • Shunan, JP (2015)

Company Filing History:


Years Active: 1998-2015

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3 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Yuji Kubo

Introduction

Yuji Kubo is a prominent inventor based in Shunan, Japan, known for his significant contributions to the field of materials science. With a total of three patents to his name, Kubo's work demonstrates a commitment to innovation, particularly in developing advanced packing materials with exceptional properties.

Latest Patents

Kubo's latest patents reflect his expertise in creating high-performance materials. The first patent focuses on a packing material with excellent hydrophilicity and a process for producing it. This innovation aims to offer a medium that is suitable for high speed and high resolution, enriched in hydrophilicity, and resistant to high concentrations of aqueous alkaline solutions. The medium comprises crosslinked polymer particles derived from specific (meth)acryloyl monomers.

His second patent involves the creation of elastomeric block copolymers, which integrate polyether chains as a soft segment with aromatic polyamide chains as a hard segment. These copolymers are characterized by a controlled sequence in the introduction of the soft and hard segments, resulting in superior physical and mechanical properties. The processes for producing these elastomeric block copolymers are also outlined in his patent descriptions.

Career Highlights

Yuji Kubo's career is distinguished by his position at Tosoh Corporation, where he has contributed to groundbreaking research and development in polymer materials. His inventive spirit and technical proficiency have enabled him to be recognized as a leading figure in the industry.

Collaborations

Throughout his career, Kubo has collaborated with talented individuals such as Hiroshi Yamakawa and Isamu Kirikihira. These partnerships have not only enhanced his projects but have also fostered a creative environment that promotes innovative thinking.

Conclusion

In conclusion, Yuji Kubo's work exemplifies the spirit of innovation in materials science. His patents underscore the importance of developing advanced materials that meet the demands of modern applications. With his ongoing contributions at Tosoh Corporation, Kubo continues to influence the field, paving the way for future advancements.

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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