Patents by Inventor Ryota Kosaka

Ryota Kosaka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Oil extraction agent containing trimeric or higher oligomers of chlorotrifluoroethylene
    Patent number: 11041786
    Abstract: It is an objet to provide an oil extraction agent that is used in an oil concentration meter, that can be manufactured at low cost, that has a high oil extraction efficiency, and whose burden on the environment is small. Trimeric or higher oligomers of chlorotrifluoroethylene are contained in the overall oil extraction agent in a range between 35% by weight or more and 100% by weight or less.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: June 22, 2021
    Assignee: HORIBA ADVANCED TECHNO, CO., LTD.
    Inventors: Ryota Kosaka, Katsunobu Ehara
  • OIL EXTRACTION AGENT
    Publication number: 20190391057
    Abstract: It is an objet to provide an oil extraction agent that is used in an oil concentration meter, that can be manufactured at low cost, that has a high oil extraction efficiency, and whose burden on the environment is small. Trimeric or higher oligomers of chlorotrifluoroethylene are contained in the overall oil extraction agent in a range between 35% by weight or more and 100% by weight or less.
    Type: Application
    Filed: June 24, 2019
    Publication date: December 26, 2019
    Inventors: Ryota Kosaka, Katsunobu Ehara