Toyohama, Japan

Seiichi Nakahama

This inventor holds 1 USPTO granted patent. Top assignee: Japan Synthetic Rubber Co., Ltd.. Active years: 1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Nakahama. Retrieved from https://idiyas.com/inventor/seiichi-nakahama

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 = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1982

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1 patent (USPTO):Explore Patents

Title: Seiichi Nakahama: Innovator in Cyclic Sulfur Compounds

Introduction

Seiichi Nakahama is a notable inventor based in Toyohama, Japan. He has made significant contributions to the field of chemistry, particularly in the development of cyclic sulfur compounds. His innovative work has led to advancements in materials science and polymer chemistry.

Latest Patents

Nakahama holds a patent for a cyclic sulfur compound represented by a specific chemical formula. This compound is novel and can be utilized as a crosslinking agent instead of sulfur itself. Additionally, it serves as a monomer for preparing polysulfide polymers. The production of this cyclic sulfur compound involves a reaction between a metal sulfide and halogens or sulfur dichloride.

Career Highlights

Throughout his career, Seiichi Nakahama has been associated with Japan Synthetic Rubber Co., Ltd. His work has focused on enhancing the properties of synthetic rubber and developing new materials that can be used in various applications. His innovative approach has positioned him as a key figure in the industry.

Collaborations

Nakahama has collaborated with esteemed colleagues such as Kazuo Yamaguchi and Noboru Yamazaki. These partnerships have fostered a creative environment that has led to further advancements in their respective fields.

Conclusion

Seiichi Nakahama's contributions to the field of cyclic sulfur compounds exemplify the importance of innovation in material science. His work continues to influence the development of new materials and applications in the industry.

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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