Iruma, Japan

Kenjiro Yamaguchi

This inventor holds 3 USPTO granted patents. Top assignee: Tonen Corporation. Active years: 1997-1998.

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

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 1

Forward Citations = 15(Granted Patents)


Location History:

  • Iruma-gun, JP (1997)
  • Iruma, JP (1998)

Company Filing History:


Years Active: 1997-1998

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3 patents (USPTO):Explore Patents

Title: Kenjiro Yamaguchi: Innovator in Hepatitis Research

Introduction

Kenjiro Yamaguchi is a notable inventor based in Iruma-gun, Japan. He has made significant contributions to the field of hepatitis research, holding a total of 3 patents. His work focuses on developing diagnostic tools and treatments for hepatitis C and non-A non-B hepatitis.

Latest Patents

Yamaguchi's latest patents include innovative solutions for hepatitis diagnosis and treatment. One of his key inventions is related to antigenic peptides for growing hepatitis C virus. This invention involves NS4-related antigenic peptides that can specifically react with antibodies directed against different groups of hepatitis C virus (HCV). The kit developed from this invention allows for the identification of HCV Groups I or II, facilitating early and effective treatment for infected patients. Another significant patent involves a DNA fragment encoding a non-A non-B hepatitis-specific antigen polypeptide. This invention utilizes genetic engineering techniques to create a highly accurate detection method for the non-A non-B hepatitis virus.

Career Highlights

Kenjiro Yamaguchi is associated with Tonen Corporation, where he applies his expertise in biotechnology and medical research. His work has been instrumental in advancing the understanding and treatment of hepatitis infections.

Collaborations

Yamaguchi collaborates with notable colleagues, including Noboru Maki and Ayumi Toyoshima. Their combined efforts contribute to the innovative research and development of hepatitis diagnostics and treatments.

Conclusion

Kenjiro Yamaguchi's contributions to hepatitis research through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to impact the diagnosis and treatment of hepatitis, showcasing the importance of innovation in medical science.

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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