Tokyo, Japan

Hirotoshi Toratani

This inventor holds 3 USPTO granted patents. Top assignee: Bridgestone Corporation. Active years: 1997-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotoshi Toratani. Retrieved from https://idiyas.com/inventor/hirotoshi-toratani

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 = 2.8

ph-index = 1

Forward Citations = 7(Granted Patents)


Location History:

  • Tokyo, JP (1997 - 1998)
  • Kodaira, JP (2003)

Company Filing History:


Years Active: 1997-2003

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3 patents (USPTO):Explore Patents

Title: Hirotoshi Toratani: Innovator in Natural Rubber Technology

Introduction

Hirotoshi Toratani is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of natural rubber technology, holding a total of 3 patents. His work focuses on enhancing the properties of natural rubber through innovative processes and treatments.

Latest Patents

Toratani's latest patents include groundbreaking advancements in viscosity-stabilizer-containing natural rubber latex. One of his notable inventions is a production process for a viscosity-stabilizer-containing natural rubber. This process involves adding a viscosity stabilizer liquid diluted with a solvent to natural rubber, resulting in a latex that maintains its stability. Another patent details the treatment of natural rubber with viscosity stabilizers under specific drying conditions, ensuring minimal gel content difference and high molecular weight retention. This innovation effectively suppresses gelation and prevents a decrease in molecular weight, enhancing the overall quality of the rubber.

Career Highlights

Hirotoshi Toratani is currently associated with Bridgestone Corporation, a leading company in the tire and rubber industry. His expertise in natural rubber technology has positioned him as a key figure in the development of advanced rubber materials. His contributions have not only improved product performance but have also paved the way for more sustainable practices in rubber manufacturing.

Collaborations

Throughout his career, Toratani has collaborated with esteemed colleagues such as Yasushi Hirata and Ken Kijima. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of rubber technology.

Conclusion

Hirotoshi Toratani's work in natural rubber technology exemplifies the impact of innovation on material science. His patents and contributions continue to influence the industry, showcasing the importance of research and development in creating 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]
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