Ichihara, Japan

Takeshi Hara

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Otsuka Chemical Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Hara. Retrieved from https://idiyas.com/inventor/takeshi-hara-2t70g55d

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: The Innovations of Takeshi Hara

Introduction

Takeshi Hara is a notable inventor based in Ichihara-shi, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of novel compounds for industrial applications. His work has led to the creation of a unique sulfanyl sulfonic acid compound that has practical uses in rubber production.

Latest Patents

Hara holds a patent for a sulfanyl sulfonic acid compound, which serves as a viscoelastic modifier in rubber compositions. This invention also includes a method for producing vulcanized rubber. The patent describes a sulfanyl sulfonic acid compound represented by a specific formula, where m is an integer from 2 to 7, n is an integer from 3 to 10, and R can be either a hydrogen atom or an alkyl group. This innovation is crucial for enhancing the properties of rubber materials.

Career Highlights

Takeshi Hara is associated with Otsuka Chemical Co., Ltd., where he has been instrumental in advancing the company's research and development efforts. His expertise in chemical compounds has positioned him as a key figure in the industry, contributing to the company's reputation for innovation.

Collaborations

Hara collaborates with Natsuyo Kamimoto, who is also involved in research and development at Otsuka Chemical Co., Ltd. Their partnership has fostered a creative environment that encourages the exploration of new ideas and technologies.

Conclusion

Takeshi Hara's contributions to the field of chemical engineering, particularly through his patented innovations, highlight his role as a significant inventor in Japan. His work continues to influence the rubber industry and showcases the importance of research and collaboration in driving technological 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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