Kodaira, Japan

Kazuo Hachiya

This inventor holds 3 USPTO granted patents. Top assignee: Bridgestone Corporation. Active years: 1994-1996.

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

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 = 5.6

ph-index = 3

Forward Citations = 23(Granted Patents)


Location History:

  • Kodaira, JP (1994)
  • borh of Kodaira, JP (1996)

Company Filing History:


Years Active: 1994-1996

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3 patents (USPTO):Explore Patents

Title: Kazuo Hachiya: Innovator in Flame-Retardant Rubber Technology

Introduction

Kazuo Hachiya is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of rubber technology, particularly in the development of flame-retardant rubber tires. With a total of 3 patents to his name, Hachiya's work is recognized for its innovative approach to enhancing safety in various vehicles.

Latest Patents

One of Hachiya's latest patents involves a flame-retardant rubber tire. This tire comprises an outer rubber body portion that includes a tread rubber layer and a sidewall rubber layer extending inward toward the bead portion. The tire features a rubber chafer layer arranged near the bead portion. The flame-retardant rubber composition used in this tire has an oxygen index ranging from 19.8 to 27.5 and constitutes at least 20% by weight of the tread rubber layer. These tires are designed for use in electric vehicles, automobiles, and airplanes, providing excellent self-extinguishing and flame-delaying properties without compromising other essential rubber characteristics.

Career Highlights

Kazuo Hachiya is currently associated with Bridgestone Corporation, a leading company in tire manufacturing. His work at Bridgestone has allowed him to focus on innovative solutions that enhance the safety and performance of rubber products.

Collaborations

Hachiya has collaborated with several talented individuals in his field, including Takatsugu Hashimoto and Kazuo Yagawa. These collaborations have contributed to the advancement of rubber technology and the development of new products.

Conclusion

Kazuo Hachiya's contributions to the field of flame-retardant rubber technology highlight his innovative spirit and commitment to safety in transportation. His patents reflect a significant advancement in tire technology, making vehicles safer for users.

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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