This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Sumitomo Dainippon Pharma Co., Ltd., Dainippon Sumitomo Pharma Co., Ltd.. Active years: 2013-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (2013)
- Mie, JP (2019 - 2020)
Company Filing History:
3 out of 110 
1 out of 140 Years Active: 2013-2020
Title: Biography of Toshikazu Yagi
Introduction
Toshikazu Yagi is a notable inventor based in Mie, Japan. He has made significant contributions to the field of chemical production, particularly in the synthesis of complex organic compounds. With a total of four patents to his name, Yagi's work is recognized for its industrial applicability and innovation.
Latest Patents
One of his latest patents is a method for producing 2-acetyl-4H,9H-naphtho[2,3-b]furan-4,9-dione. This invention addresses the challenge of providing a method that is suited for industrial production. The process involves reacting 3-bromo-3-buten-2-one and 2-hydroxy-1,4-naphthoquinone in the presence of a solvent. Crystals of 2-acetyl-4H,9H-naphtho[2,3-b]furan-4,9-dione are obtained by adding an alcohol-based solvent and/or water to the reaction system. The crystals are then treated using a specific adsorbent in the presence of a solvent.
Career Highlights
Throughout his career, Toshikazu Yagi has worked with prominent companies in the pharmaceutical industry, including Sumitomo Dainippon Pharma Co., Ltd. and Dainippon Sumitomo Pharma Co., Ltd. His experience in
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile