Patents by Inventor Masahiko Emoto

Masahiko Emoto 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).

  • Asymmetric multi-layer film having polyamide layer
    Publication number: 20050058789
    Abstract: In an asymmetric multi-layer film composed mainly of a polyamide layer and a thermoplastic layer, the polyamide layer is made of polyamide having a unit derived from an aminocarboxylic acid and/or a lactam compound, a unit derived from a diamine compound such as a branched alicyclic diamine having 6-16 carbon atoms, and a unit derived from a dicarboxylic acid compound, and the thermoplastic layer is made of thermoplastic resin other than the polyamide of the polyamide layer.
    Type: Application
    Filed: September 16, 2004
    Publication date: March 17, 2005
    Applicant: Ube Industries Ltd.
    Inventors: Hirofumi Nonaka, Kimio Fukuda, Masahiko Emoto
  • Spherical polyamide and process for preparing the same
    Patent number: 6127513
    Abstract: Disclosed is a process for preparing spherical polyamide having an average grain diameter of 100 .mu.m or less which comprises polymerizing monomers for preparing the polyamide under heating at a temperature higher than the melting points of the monomers and the polyamide while melting the monomers in a polymerization medium under stirring whereby dispersing the formed polyamide with fine particles in the polymerization medium and then cooling the resulting mixture.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: October 3, 2000
    Assignee: Ube Industries, Ltd.
    Inventors: Shinji Ohara, Yoshiro Iwata, Masahiko Emoto