Chiba, Japan

Issei Takayanagi

This inventor holds 1 USPTO granted patent. Top assignee: Chugai Seiyaku Kabushiki Kaisha. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Issei Takayanagi. Retrieved from https://idiyas.com/inventor/issei-takayanagi

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 = 3.0

ph-index = 1

Forward Citations = 9(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Issei Takayanagi: Innovator in Morphine Derivatives

Introduction

Issei Takayanagi is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of novel morphine derivatives. His work has implications for pain management and drug formulation.

Latest Patents

Takayanagi holds a patent for a unique morphine derivative, specifically 6 .beta.-Thiomorphine derivatives. This innovative compound is represented by a general formula wherein R.sub.1 can be a hydrogen atom, a lower alkyl group, or a lower alkanoyl group. This patent showcases his ability to create new chemical entities that may enhance therapeutic options.

Career Highlights

Throughout his career, Issei Takayanagi has been associated with Chugai Seiyaku Kabushiki Kaisha, a prominent pharmaceutical company. His work there has allowed him to focus on research and development in the field of medicinal chemistry. His contributions have been recognized within the industry, highlighting his expertise and innovative spirit.

Collaborations

Takayanagi has collaborated with notable colleagues, including Ken Kanematsu and Mitsutaka Yoshida. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in pharmaceutical research.

Conclusion

Issei Takayanagi's work in developing morphine derivatives represents a significant advancement in pharmaceutical innovation. His contributions continue to influence the field and offer new possibilities for pain management therapies.

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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