This inventor holds 12 USPTO granted patents, plus 5 CIPO patents and 7 EPO patents. Top assignees: Daiichi Sankyo Company, Limited, Daiichi Pharmaceutical Co., Ltd.. Active years: 2005-2014.
Location History:
- Edogawa-ku, JP (2005 - 2014)
- Tokyo, JP (2007 - 2014)
Company Filing History:

Years Active: 2005-2014
Title: Tsutomu Yagi: Innovator in Pharmaceutical Chemistry
Introduction
Tsutomu Yagi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of pharmaceutical chemistry, holding a total of 12 patents. His work focuses on developing compounds that have therapeutic applications, particularly in the area of blood coagulation and receptor antagonism.
Latest Patents
One of his latest patents is a method for producing a 1-biphenylmethylimidazole compound. This invention provides a method for producing a compound that exhibits superior angiotensin II receptor antagonistic activity. The process involves oxidizing a specific compound using an oxidizing agent in the presence of a radical initiation reagent, followed by a reaction with an ammonia-generating reagent. Another notable patent is for an optically active diamine derivative and the process for producing the same. This invention is aimed at creating intermediates for a compound that inhibits blood coagulation factor Xa, which is crucial for preventing and treating thrombotic diseases.
Career Highlights
Throughout his career, Tsutomu Yagi has worked with notable companies in the pharmaceutical industry, including Daiichi Sankyo Company, Limited and Daiichi Pharmaceutical Co., Ltd. His expertise in the field has allowed him to contribute to various innovative projects and advancements in drug development.
Collaborations
Tsutomu has collaborated with several professionals in his field, including Koji Sato and Kouji Sato. These collaborations have further enhanced his research and development efforts, leading to impactful innovations.
Conclusion
Tsutomu Yagi's contributions to pharmaceutical chemistry through his patents and collaborations highlight his role as a significant innovator in the industry. His work continues to influence the development of therapeutic agents that address critical health issues.