This inventor holds 3 USPTO granted patents and 2 published patent applications and 3 EPO patents. Top assignee: Arkray, Inc.. Active years: 2014-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2014-2018
Title: Yuka Shimomura: Innovator in Heavy Metal Recovery
Introduction
Yuka Shimomura is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of heavy metal recovery, holding a total of 3 patents. His innovative methods aim to improve the efficiency and reliability of metal recovery processes.
Latest Patents
Yuka's latest patents include a method of recovering heavy metal and a reagent for recovery of heavy metal. The first patent provides a method that suppresses the variation in heavy metal recovery rates among samples. This method involves preparing a mixture of a sample and a chelating agent capable of binding with a heavy metal. A complex is formed between the heavy metal in the sample and the chelating agent, with the presence of a masking agent for a thiol group. This innovative approach allows for more consistent recovery rates. The chelating agent used is preferably 1,5-diphenyl-3-thiocarbazone (dithizone), while the masking agent can include N-ethylmaleimide, iodoacetamide, or iodoacetic acid.
The second patent describes a method for recovering metal without the need for an organic medium. In this process, a first complex is formed between a chelating agent and the metal in a sample. The first complex is then recovered, and a second complex is formed with a second chelating agent in an aqueous solution. This method allows for efficient metal recovery under specific pH conditions, enhancing the overall process.
Career Highlights
Yuka Shimomura is currently employed at Arkray, Inc., where he continues to develop innovative solutions in the field of metal recovery. His work has garnered attention for its practical applications and potential impact on environmental sustainability.
Collaborations
Yuka collaborates with talented coworkers, including Hideko Kosaka and Mayumi Yamada. Their combined expertise contributes to the advancement of their projects and the success of their innovations.
Conclusion
Yuka Shimomura is a pioneering inventor whose work in heavy metal recovery is making a significant impact. His innovative methods and dedication to improving recovery processes highlight the importance of research and development in this critical field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile