Tochigi, Japan

Takeshi Tsubuki

This inventor holds 2 USPTO granted patents and 3 published patent applications and 3 EPO patents. Top assignee: Kyorin Pharmaceutical Co., Ltd.. Active years: 2010-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Tsubuki. Retrieved from https://idiyas.com/inventor/takeshi-tsubuki

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

USPTO Granted Patents = 2 

 

Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Oyama, JP (2010)
  • Tochigi, JP (2016)

Company Filing History:


Years Active: 2010-2016

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2 patents (USPTO):Explore Patents

Title: Innovations by Takeshi Tsubuki

Introduction

Takeshi Tsubuki is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of compounds with immunosuppressive properties. With a total of 2 patents, Tsubuki's work has the potential to impact medical treatments significantly.

Latest Patents

Tsubuki's latest patents include a method for producing 4-(3-benzyloxyphenylthio)-2-chloro-1-(3-nitropropyl)benzene crystal. This compound is crucial as an intermediate for creating a 2-amino-2-[2-[4-(3-benzyloxyphenylthio)-2-chlorophenyl]ethyl]-1,3-propanediol hydrochloride, which exhibits excellent immunosuppressive activity. Traditionally, this compound was only available as an oil, making it challenging to handle and refine. Tsubuki's innovation allows for the crystallization of this compound, simplifying its handling and enabling long-term storage.

Another significant patent involves a process for the industrial production of 2-amino-2-[2-[4-(3-benzyloxyphenylthio)-2-chlorophenyl]ethyl]-1,3-propanediol hydrochloride. This process includes several steps, such as reacting 4-(3-benzyloxyphenylthio)-2-chlorobenzaldehyde with ethyl diethylphosphonoacetate in a solvent, followed by a series of reductions and modifications to yield the desired product.

Career Highlights

Takeshi Tsubuki is currently associated with Kyorin Pharmaceutical Co., Ltd., where he continues to innovate in the pharmaceutical sector. His work focuses on developing effective treatments that can improve patient outcomes.

Collaborations

Tsubuki collaborates with esteemed colleagues, including Kenichi Kobayashi and Hidetaka Komatsu. Their combined expertise contributes to the advancement of pharmaceutical innovations.

Conclusion

Takeshi Tsubuki's contributions to the field of pharmaceuticals through his patents and collaborations highlight his role as a significant inventor. His work not only enhances the understanding of immunosuppressive compounds but also paves the way for future innovations in medical treatments.

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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