Kodaira, Japan

Takeshi Iwatani

This inventor holds 5 USPTO granted patents and 4 EPO patents. Top assignee: Bridgestone Corporation. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Iwatani. Retrieved from https://idiyas.com/inventor/takeshi-iwatani

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


% Patents Active = 80.0

 

Average Co-Inventor Count = 2.1

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Tokyo, JP (2013)
  • Kodaira, JP (2015 - 2019)

Company Filing History:


Years Active: 2013-2025

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5 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takeshi Iwatani

Introduction

Takeshi Iwatani is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of tire technology, holding a total of 5 patents. His work primarily focuses on enhancing the performance and safety of tires, which are crucial components in the automotive industry.

Latest Patents

Among his latest patents, Iwatani has developed a run flat tire. This innovative tire design ensures that the maximum width in reference conditions is maintained within specified limits. The tire's maximum width position is strategically located at a distance of more than 50% of the tire's cross-sectional height, extending outward in the radial direction from the bead baseline. Additionally, he has patented a pneumatic tire that features a ground contact surface with multiple main grooves extending in the circumferential direction. This design includes land portions demarcated by the main grooves, where the rigidity of the central land portion is lower than that of adjacent land portions, enhancing overall tire performance.

Career Highlights

Iwatani is currently employed at Bridgestone Corporation, a leading company in tire manufacturing. His role at Bridgestone allows him to apply his innovative ideas and contribute to the development of advanced tire technologies. His expertise in this field has positioned him as a valuable asset to the company.

Collaborations

Throughout his career, Iwatani has collaborated with talented individuals such as Kento Hashimoto and Makoto Kurokawa. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Takeshi Iwatani's contributions to tire technology through his patents and work at Bridgestone Corporation highlight his innovative spirit and dedication to improving automotive safety and performance. His inventions continue to influence the industry and pave the way for future advancements.

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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