Gotenba, Japan

Toshikatsu Fujii

This inventor holds 2 USPTO granted patents. Top assignees: Kirin Brewery Company, Limited, Kirin-Seagram Limited. Active years: 1979-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikatsu Fujii. Retrieved from https://idiyas.com/inventor/toshikatsu-fujii

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 = 5.0

ph-index = 2

Forward Citations = 17(Granted Patents)


Location History:

  • Gotenba, JP (1979)
  • Yokohama, JP (1981)

Company Filing History:


Years Active: 1979-1981

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2 patents (USPTO):Explore Patents

Title: Innovations of Toshikatsu Fujii: Pioneering Interferon Inducing Substances

Introduction

Toshikatsu Fujii, an inventive mind hailing from Gotenba, Japan, has made significant contributions to the field of biotechnology. With two patents to his name, Fujii focuses on enhancing the host defense functions of living organisms through novel substances derived from specific fungi.

Latest Patents

Fujii's latest patents include KS-2-B and KS-2-A. KS-2-B was developed as a purified material derived from the culture of Daedalea dickinsii and Lentinus edodes species. This innovative substance is recognized as an effective interferon inducing agent, showcasing Fujii's focus on advancing therapeutic mechanisms. Furthermore, KS-2-A, another remarkable creation, is obtained from the raw material of the cultured mycelium of the same fungi. Upon refining this substance, KS-2-A emerges as a novel compound that significantly enhances the host defense capabilities of the body.

Career Highlights

Throughout his career, Toshikatsu Fujii has collaborated with notable companies such as Kirin-Seagram Limited and Kirin Brewery Company, Limited. His work within these organizations contributes to the foundational knowledge and innovation in biotechnology.

Collaborations

Fujii's journey in the field has also connected him with esteemed colleagues, including Nakao Ishida and Fujio Suzuki. Their collaborative efforts have undoubtedly paved the way for significant advancements in their shared research interests.

Conclusion

In conclusion, Toshikatsu Fujii stands as a noteworthy inventor whose work with interferon inducing substances underscores the potential of biotechnology to enhance health and wellness. His patents, KS-2-B and KS-2-A, offer valuable insights into the therapeutic applications of fungi, reflecting the importance of innovation in advancing 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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