Hachioji, Japan

Toyofumi Yamaguchi

This inventor holds 5 USPTO granted patents, plus 1 CIPO patent. Top assignees: Yamasa Shoyu Kabushiki Kaisha, Toa Eiyo Ltd.. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyofumi Yamaguchi. Retrieved from https://idiyas.com/inventor/toyofumi-yamaguchi

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 = 4.1

ph-index = 4

Forward Citations = 131(Granted Patents)


Company Filing History:


Years Active: 1993-1999

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5 patents (USPTO):Explore Patents

Title: Toyofumi Yamaguchi: Innovator in Chemical Compounds

Introduction

Toyofumi Yamaguchi, a distinguished inventor based in Hachioji, Japan, has made significant contributions to the field of chemistry. With a total of five patents to his name, Yamaguchi has been at the forefront of developing novel compounds that enhance the stability and functionality of chemical substances.

Latest Patents

Yamaguchi's latest innovations include two notable patents that focus on solid 2-octynyl adenosine. The first patent highlights the creation of two distinct solid products, each exhibiting unique properties that ensure stability against temperature fluctuations and humidity. One variant has a moisture content of no more than 3%, while the other is derived from an anhydrous or hydrous alcoholic solution, maintaining a water content of less than 1%.

His second patent introduces a novel compound that serves as a synthetic intermediate for 2-alkynyladenosines. This patent outlines both the method of producing this new compound and the subsequent synthesis of a 2-alkynyladenosine derivative characterized by outstanding storage stability, along with an efficient storage method for the derivative.

Career Highlights

Throughout his career, Yamaguchi has played a pivotal role in research and development at notable companies such as Yamasa Shoyu Kabushiki Kaisha and Toa Eiyo Ltd. His work has advanced the field of chemistry, particularly in the production of stable chemical compounds.

Collaborations

Yamaguchi has collaborated with esteemed colleagues like Toichi Abiru and Akira Matsuda, contributing to a culture of innovation and teamwork within the industry. Together, they have driven forward several projects that have lasting implications on chemical research and applications.

Conclusion

Toyofumi Yamaguchi's innovative contributions to the field of chemistry underscore the importance of research and development in creating valuable chemical compounds. His latest patents reflect a commitment to advancing science, leading to more efficient and stable products. As he continues his work, Yamaguchi remains a prominent figure in the evolving landscape of chemical innovations.

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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