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For the Inventor, By the Inventor

Kobe, Japan

Kazuo Kadomaru

This inventor holds 10 USPTO granted patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 1982-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Kadomaru. Retrieved from https://idiyas.com/inventor/kazuo-kadomaru

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 8

Forward Citations = 183(Granted Patents)


Location History:

  • Akashi, JP (1982 - 1983)
  • Ibaragi, JP (1990)
  • Osaka, JP (1987 - 1991)
  • Kobe, JP (1997 - 2002)

Company Filing History:

goldMedal10 out of 4,544 
 
Sumitomo Rubber Industries Limited
 patents

Years Active: 1982-2002

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10 patents (USPTO):Explore Patents
1. 6364422 - Balance weight for vehicle wheel (2002-04-02),
2. 6147151 - Tread rubber composition and tire using the composition (2000-11-14),
3. 5618869 - Rubber composition for treads of studless tires (1997-04-08),
4. D317282 - Motorcycle tire (1991-06-04),
5. 5014761 - Radial tire for motorcycle with improved metallic belt cord (1991-05-14),
6. 4947917 - Radial tire for motorcycle (1990-08-14),
7. D292787 - Motorcycle tire (1987-11-17),
8. D288915 - Motorcycle tire (1987-03-24),
9. 4369086 - Bead supply apparatus (1983-01-18),
10. 4361454 - Ply applying apparatus and method for forming an elastic annular body (1982-11-30),

Title: Kazuo Kadomaru: Innovator in Vehicle Technology

Introduction

Kazuo Kadomaru is a notable inventor based in Kobe, Japan, recognized for his contributions to vehicle technology. With a commendable portfolio of 10 patents, Kadomaru has made significant strides in enhancing vehicle performance and safety.

Latest Patents

Among his latest innovations is a balance weight designed for vehicle wheels. This invention features a metal clip with a hook portion that matches the flange edge of a wheel and retains a weight made from a resin composition that has high specific gravity. This innovative design allows for independent close-contact fixing to the wheel's flange edge. Another noteworthy invention is his tread rubber composition, which boasts excellent hydrophobic properties and water repellency. This composition is ideal for studless tires, particularly enhancing performance on ice by utilizing a combination of natural rubber, isoprene, and polybutadiene, along with clay and silane coupling agents.

Career Highlights

Kazuo Kadomaru has made his mark while working at Sumitomo Rubber Industries Limited. His commitment to innovation in tire technology has not only contributed to his company but also advanced automotive safety and performance on a global scale. His expertise in material science has paved the way for cutting-edge developments in tire compositions.

Collaborations

Throughout his career, Kadomaru has collaborated with esteemed colleagues such as Yoichi Mizuno and Hiroyuki Noma. These collaborations have fostered a dynamic exchange of ideas, leading to successful innovations that adhere to the demanding standards of the automotive industry.

Conclusion

Kazuo Kadomaru stands out as a pivotal figure in the advancement of vehicle technology. His innovative patents and collaborative efforts reflect a dedication to enhancing vehicle performance, providing safer and more efficient solutions for the automotive sector. His work at Sumitomo Rubber Industries Limited continues to inspire future innovations in tire technology.

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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