Kakamigahara, Japan

Seiji Yoshida

This inventor holds 2 USPTO granted patents. Top assignee: Eisai Company, Limited. Active years: 1979-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Yoshida. Retrieved from https://idiyas.com/inventor/seiji-yoshida-uo5r2egu

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 = 4.4

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Kakamigahara, JP (1979)
  • Urayasu, JP (1984)

Company Filing History:


Years Active: 1979-1984

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2 patents (USPTO):Explore Patents

Title: Seiji Yoshida: Innovator in Gastrointestinal Hormones and Opioid Substances

Introduction

Seiji Yoshida is a notable inventor based in Kakamigahara, Japan. He has made significant contributions to the field of biomedical research, particularly in the development of substances with opiate and analgesic activity. His work has led to the filing of multiple patents, showcasing his innovative approach to solving complex medical challenges.

Latest Patents

Yoshida holds 2 patents, with his latest inventions focusing on the extraction and preparation of gastrointestinal hormones and opioid substances. One of his notable patents is for a heptadecapeptide derived from swine duodenum, which exhibits opiate and analgesic properties. The specific amino acid structure of this heptadecapeptide is Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Ile-Arg-Pro-Lys-Leu-Lys-Trp-Asp-Asn-Gln. Additionally, he has developed a process for preparing gastrointestinal hormones by heating the small intestine of mammals in an aqueous salt solution, followed by extraction and purification.

Career Highlights

Seiji Yoshida is associated with Eisai Company, Limited, where he continues to contribute to innovative research and development in the pharmaceutical industry. His work is pivotal in advancing the understanding and application of gastrointestinal hormones and opioid substances.

Collaborations

Yoshida has collaborated with esteemed colleagues such as Shinro Tachibana and Kengo Araki. These partnerships have fostered a collaborative environment that enhances the research and development process.

Conclusion

Seiji Yoshida's contributions to the field of biomedical research through his patents and collaborations highlight his role as an innovator. His work continues to impact the development of therapeutic substances, showcasing the importance of innovation in medicine.

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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