Patents by Inventor Shigemasa ODA

Shigemasa ODA 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).

  • Patent number: 11305309
    Abstract: A method and a device for removing a coating on a coated plastic article allow highly efficient removal of a coating from a coated plastic article and recovery of a base after coating removal and a remover. A method for removing a coating on a coated plastic article with a remover includes shredding the article into pieces, immersing the pieces in the remover heated to a second temperature, heating the remover to a first temperature, and stirring the pieces with the heated remover. The remover includes at least one monohydric lower alcohol selected from methanol, ethanol, propanol, and 1-butanol, and swells the base, the coating, or both. The first temperature is not lower than 25° C. and not higher than a temperature 10° C. lower than a boiling point of the remover. The second temperature is not higher than an upper limit of the first temperature.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: April 19, 2022
    Assignees: Yamaguchi Prefectural Industrial Technology Institute, ODA SANGYOU Co., Ltd.
    Inventors: Fumiaki Tomonaga, Syougo Miyazaki, Shigemasa Oda
  • Publication number: 20200238327
    Abstract: A method and a device for removing a coating on a coated plastic article allow highly efficient removal of a coating from a coated plastic article and recovery of a base after coating removal and a remover. A method for removing a coating on a coated plastic article with a remover includes shredding the article into pieces, immersing the pieces in the remover heated to a second temperature, heating the remover to a first temperature, and stirring the pieces with the heated remover. The remover includes at least one monohydric lower alcohol selected from methanol, ethanol, propanol, and 1-butanol, and swells the base, the coating, or both. The first temperature is not lower than 25° C. and not higher than a temperature 10° C. lower than a boiling point of the remover. The second temperature is not higher than an upper limit of the first temperature.
    Type: Application
    Filed: April 15, 2020
    Publication date: July 30, 2020
    Inventors: Fumiaki TOMONAGA, Syougo MIYAZAKI, Shigemasa ODA