This inventor holds 11 USPTO granted patents and 1 published patent application and 11 EPO patents. Top assignee: Sumitomo Chemical Company, Limited. Active years: 2012-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ehime, JP (2012)
- Niihama, JP (2012 - 2023)
Company Filing History:
Years Active: 2012-2023
Title: Innovations by Yoshiyuki Koizumi
Introduction
Yoshiyuki Koizumi is a prominent inventor based in Niihama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the purification of carbon dioxide and the manufacturing of methionine. With a total of 11 patents to his name, Koizumi's work has had a notable impact on industrial processes.
Latest Patents
Koizumi's latest patents include a recovered-carbon-dioxide purifying method and a methionine manufacturing method that incorporates a recovered-carbon-dioxide purifying step. The first invention provides a method for purifying carbon dioxide gas, which is characterized by contacting carbon dioxide gas containing at least one of 3-methylmercaptopropionaldehyde and acrolein with activated carbon to remove these compounds. The second invention aims to improve ammonia removal efficiency in the manufacturing of methionine. This method involves supplying a liquid containing a methionine salt, obtained by reacting 3-methylmercaptopropionaldehyde and hydrocyanic acid, with carbon dioxide and ammonia, followed by hydrolysis to produce 5-(2-methylmercaptoethyl)hydantoin.
Career Highlights
Yoshiyuki Koizumi is currently associated with Sumitomo Chemical Company, Limited, where he continues to innovate and develop new methods in chemical processing. His work has been instrumental in advancing techniques that enhance the efficiency and sustainability of chemical manufacturing.
Collaborations
Koizumi has collaborated with notable colleagues such as Naoya Yamashiro and Ryousuke Katagami. Their combined expertise has contributed to the successful development of innovative solutions in their field.
Conclusion
Yoshiyuki Koizumi's contributions to the field of chemical engineering through his patents and collaborative efforts highlight his role as a leading inventor. His work not only addresses current industrial challenges but also paves the way for future advancements in chemical processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile