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For the Inventor, By the Inventor

Hirakata, Japan

Kazuyoshi Fujii

This inventor holds 9 USPTO granted patents and 1 published patent application. Top assignee: Ube Industries, Inc.. Active years: 1986-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuyoshi Fujii. Retrieved from https://idiyas.com/inventor/kazuyoshi-fujii

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

USPTO Granted Patents = 9 

% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 90(Granted Patents)


Location History:

  • Oosaka, JP (1992)
  • Osaka, JP (1993)
  • Hirakata, JP (1986 - 1995)
  • Ichihara, JP (1999)

Company Filing History:

goldMedal9 out of 1,432 
 
Ube Industries, Inc.
 patents

Years Active: 1986-1999

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9 patents (USPTO):Explore Patents
1. 5948503 - Fine fiber reinforced thermoplastic elastomer composition and process (1999-09-07),
2. 5460746 - Terminal-modified imide oligomer composition (1995-10-24),
3. 5260412 - Terminal-modified imide oligomer composition (1993-11-09),
4. 5241018 - Terminal-modified imide oligomer composition (1993-08-31),
5. 5145916 - Terminal-modified imide oligomer composition (1992-09-08),
6. 5081196 - Terminal-modified aromatic imide oligomer composition (1992-01-14),
7. 4868050 - Interleaf-containing, fiber-reinforced epoxy resin prepreg (1989-09-19),
8. 4663372 - Novel triazine addition compounds (1987-05-05),
9. 4574154 - Triazine addition compounds (1986-03-04),

Title: Kazuyoshi Fujii: Innovator in Thermoplastic Elastomer Technology

Introduction

Kazuyoshi Fujii is a prominent inventor based in Hirakata, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced thermoplastic elastomers. With a total of 9 patents to his name, Fujii's work has had a substantial impact on various industrial applications.

Latest Patents

Fujii's latest patents include innovative compositions that enhance the performance of elastomer materials. One notable patent is for a fine fiber reinforced thermoplastic elastomer composition. This composition boasts a high elastic modulus, mechanical strength, and creep resistance. It consists of an elastic component, a polyolefin component, and a polyamide component, all chemically bonded through a binding agent. This technology is particularly useful for producing elastic materials with excellent fatigue resistance and high isotropy.

Another significant patent is for a terminal-modified imide oligomer composition. This composition is designed to be fusible at relatively low temperatures and is suitable for use in solvent-free prepregs or as a hot melt-type binder. It includes an unsaturated imide compound and a terminal modified imide oligomer, both of which are engineered to enhance the performance of the final product.

Career Highlights

Kazuyoshi Fujii is currently employed at Ube Industries, Inc., where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of thermoplastic elastomers, making them more versatile and effective for various applications.

Collaborations

Fujii has collaborated with notable colleagues such as Shinji Yamamoto and Hideho Tanaka. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Kazuyoshi Fujii is a distinguished inventor whose contributions to thermoplastic elastomer technology have paved the way for advancements in material science. His innovative patents and collaborative efforts continue to influence the industry positively.

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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