logo

For the Inventor, By the Inventor

Ichihara, Japan

Kouhei Kaijiri

This inventor holds 6 USPTO granted patents. Top assignee: Ube Industries, Inc.. Active years: 1980-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouhei Kaijiri. Retrieved from https://idiyas.com/inventor/kouhei-kaijiri

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 5.1

ph-index = 4

Forward Citations = 71(Granted Patents)


Location History:

  • Ichihara, JP (1980 - 1991)
  • Kimitsu, JP (1991)
  • Chiba, JP (1987 - 1994)

Company Filing History:

goldMedal6 out of 1,432 
 
Ube Industries, Inc.
 patents

Years Active: 1980-1994

Loading Chart...
6 patents (USPTO):Explore Patents
1. 5283289 - Fiber-reinforced rubber composition and production process thereof and (1994-02-01),
2. 5049610 - Fiber-reinforced rubber composition and production process and use (1991-09-17),
3. 5043388 - Fiber-reinforced rubber composition and production process thereof and (1991-08-27),
4. 5006603 - Fiber-reinforced rubber composition and production process and use (1991-04-09),
5. 4703086 - Fiber-reinforced rubber composition and production process thereof and (1987-10-27),
6. 4202850 - Process for producing fiber-reinforced elastic articles (1980-05-13),

Title: Kouhei Kaijiri: Innovator in Fiber-Reinforced Rubber Composition

Introduction

Kouhei Kaijiri is a prominent inventor based in Ichihara, Japan. He has made significant contributions to the field of rubber technology, particularly in the development of fiber-reinforced rubber compositions. With a total of 6 patents to his name, his work has had a substantial impact on various industries.

Latest Patents

Kaijiri's latest patents include innovative advancements in fiber-reinforced rubber compositions. One of his notable inventions is a fiber-reinforced rubber composition and production process that provides a vulcanizate with excellent strength and modulus. This composition incorporates fine short fibers of thermoplastic polymer embedded in vulcanizable rubber. The unique bonding of the vulcanizable rubber and thermoplastic polymer is achieved through a resol type alkylphenol formaldehyde resin precondensate or a novolak type phenol formaldehyde resin precondensate. The fiber-to-rubber ratio is carefully controlled to optimize performance. Another significant patent involves a reinforced rubber composition that includes fine short fibers of fiber-forming polyamide, which are bonded to the rubber using a silane coupling agent. This composition is particularly suitable for applications in automobile tires and various rubber products.

Career Highlights

Kouhei Kaijiri is associated with Ube Industries, Inc., a company known for its innovative materials and solutions. His work at Ube Industries has allowed him to focus on advancing rubber technology and enhancing the performance of rubber products.

Collaborations

Throughout his career, Kaijiri has collaborated with notable colleagues, including Denichi Oda and Shinji Yamamoto. These collaborations have contributed to the development of cutting-edge technologies in the field of rubber compositions.

Conclusion

Kouhei Kaijiri's contributions to fiber-reinforced rubber compositions have positioned him as a key innovator in the industry. His patents reflect a commitment to enhancing the performance and applications of rubber materials. His work continues to influence the development of advanced rubber products.

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]
Loading…