Sapporo, Japan

Koji Hayashi

This inventor holds 3 USPTO granted patents. Top assignees: Zenyaku Kogyo Kabushiki Kaisha, Kenyaky Yogyo Kabushiki Kaisha. Active years: 1982-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Hayashi. Retrieved from https://idiyas.com/inventor/koji-hayashi-gd7idb11

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 = 5.1

ph-index = 1

Forward Citations = 2(Granted Patents)


Location History:

  • Sapporo, JP (1982)
  • Hokkaido, JP (1984)

Company Filing History:


Years Active: 1982-1984

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3 patents (USPTO):Explore Patents

Title: The Innovations of Koji Hayashi

Introduction

Koji Hayashi is a notable inventor based in Sapporo, Japan. He has made significant contributions to the field of medicinal chemistry, particularly through his innovative patents. With a total of 3 patents, Hayashi has focused on developing compounds with potential therapeutic applications.

Latest Patents

Hayashi's latest patents include groundbreaking work on Condurango glycoside compounds and their preparation processes. His research involves extracts of Marsdenia cundurango Reichenbach fil, which are described as antitumor agents. These extracts consist primarily of the portion of Marsdenia cundurango that is soluble in lower alcohols and chlorinated hydrocarbons, while being insoluble in aliphatic hydrocarbons.

Career Highlights

Throughout his career, Koji Hayashi has worked with prominent companies such as Zenyaku Kogyo Kabushiki Kaisha and Kenyaky Yogyo Kabushiki Kaisha. His work in these organizations has allowed him to advance his research and contribute to the development of new medicinal compounds.

Collaborations

Hayashi has collaborated with esteemed colleagues, including Hiroshi Mitsuhashi and Den-ichi Mizuno. These partnerships have fostered a collaborative environment that has enhanced the innovation process in his projects.

Conclusion

Koji Hayashi's contributions to the field of medicinal chemistry through his patents and collaborations highlight his role as a significant inventor. His work continues to pave the way for advancements in antitumor therapies and related fields.

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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