Patents by Inventor Asuka AKIHAMA

Asuka AKIHAMA 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).

  • Molding material mixture and method for producing the same
    Patent number: 10759930
    Abstract: A molding material mixture contains cellulose nanofibers (CNFs) and at least one base material selected from the group consisting of a resin and fibers. A hydrophobic polymer is chemically bonded to at least some of the —OH groups of the cellulose nanofibers. The base material and the cellulose nanofibers are ground or pelletized.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: September 1, 2020
    Assignees: TOYOTA SHATAI KABUSHIKI KAISHA, KURASHIKI BOSEKI KABUSHIKI KAISHA
    Inventors: Asuka Akihama, Minoru Sugiyama
  • Flame retardant resin composition and method for producing the same
    Patent number: 10557016
    Abstract: A flame retardant resin composition includes a thermoplastic resin, flame retardant reinforced fibers, and a flame retardant. The flame retardant reinforced fibers include cellulosic fibers, a phosphorus compound that is grafted to the surface of the cellulosic fibers, and a polyamine compound that is bound to the phosphorus compound. The flame retardant is a phosphorus-based flame retardant.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: February 11, 2020
    Assignees: Toyota Shatai Kabushiki Kaisha, Kurashiki Boseki Kabushiki Kaisha
    Inventors: Asuka Akihama, Minoru Sugiyama
  • FLAME RETARDANT RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME
    Publication number: 20180094116
    Abstract: A flame retardant resin composition includes a thermoplastic resin, flame retardant reinforced fibers, and a flame retardant. The flame retardant reinforced fibers include cellulosic fibers, a phosphorus compound that is grafted to the surface of the cellulosic fibers, and a polyamine compound that is bound to the phosphorus compound. The flame retardant is a phosphorus-based flame retardant.
    Type: Application
    Filed: September 26, 2017
    Publication date: April 5, 2018
    Inventors: Asuka AKIHAMA, Minoru SUGIYAMA
  • MOLDING MATERIAL MIXTURE AND METHOD FOR PRODUCING THE SAME
    Publication number: 20180022908
    Abstract: A molding material mixture contains cellulose nanofibers (CNFs) and at least one base material selected from the group consisting of a resin and fibers. A hydrophobic polymer is chemically bonded to at least some of the —OH groups of the cellulose nanofibers. The base material and the cellulose nanofibers are ground or pelletized.
    Type: Application
    Filed: July 24, 2017
    Publication date: January 25, 2018
    Inventors: Asuka AKIHAMA, Minoru SUGIYAMA