Kobe, Japan

Yuichi Saito

This inventor holds 18 USPTO granted patents, plus 6 CIPO patents, primarily in Tire Rubber Composition. Top assignees: Sumitomo Rubber Industries Limited, Sumitomo Chemical Company, Limited. Active years: 1983-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichi Saito. Retrieved from https://idiyas.com/inventor/yuichi-saito-pduftqp4

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 = 4.2

ph-index = 8

Forward Citations = 203(Granted Patents)


Location History:

  • Nishinomiya, JP (1983 - 1988)
  • Hyogo, JP (1991 - 1993)
  • Kobe, JP (1988 - 1996)

Company Filing History:


Years Active: 1983-1996

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Areas of Expertise:
Radial Tires
Rubber Composition
Tire Treads
Butadiene Copolymer
Elastomeric Copolymer
Block Copolymer
Dicarboxylic Acid Diester
SBR Rubbers
Conjugated Diene
Isoprene Polymer
Diene Rubber
Tire Manufacturing
18 patents (USPTO):Explore Patents

Title: Innovations of Yuichi Saito in Tire Technology

Introduction

Yuichi Saito is a prominent inventor based in Kobe, Japan, known for his significant contributions to tire technology. With a total of 18 patents, Saito has developed innovative solutions that enhance the performance and efficiency of tires.

Latest Patents

One of his latest patents focuses on radial tires that incorporate short fibers. This design features a cap tread with a tan delta peak temperature of not less than -30 degrees Celsius. The base tread consists of at least 30 parts of carbon black with an iodine adsorption number of 30 to 90 mg/g and a minimum of 10 parts of short fiber oriented in the axial direction. The side wall includes no more than 30 parts of carbon black and at least 10 parts by weight of short fiber oriented in the peripheral direction. Additionally, the bead apex comprises at least 65 parts by weight of carbon black with an iodine adsorption number of 60 to 100 mg/g and at least 20 parts by weight of short fiber oriented in the axial direction or a direction crossing the axial direction. This innovative radial tire is lightweight, has low energy loss, and provides excellent steering stability.

Another notable patent is for a rubber composition for tire treads. This composition consists of a rubber component that includes 20 to 100% by weight of a solution-polymerized styrene-butadiene copolymer rubber. This rubber has a Mooney viscosity ML1+4 of 30 to 200 at 100 degrees Celsius, prepared through copolymerization of styrene, butadiene, and a polyvinyl aromatic compound, followed by coupling with a trifunctional or tetrafunctional coupling agent. The composition also allows for good dispersibility of carbon black, resulting in tires with low rolling resistance and high grip characteristics.

Career Highlights

Yuichi Saito has worked with notable companies such as Sumitomo Rubber Industries Limited and Sumitomo Chemical Company, Limited. His experience in these organizations has significantly influenced his innovative work in tire technology.

Collaborations

Saito has collaborated with esteemed colleagues, including Akio Imai and Hiroshi Furukawa, contributing to advancements in tire design and materials.

Conclusion

Yuichi Saito's innovative patents and career achievements have made a lasting impact on the tire industry. His work

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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