Patents by Inventor Atsushi Ishio

Atsushi Ishio 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: 6485806
    Abstract: Multilayered moldings, which comprise a laminate structure of (A) a layer of a polyphenylene sulfide resin (hereinafter referred to as PPS resin) composition and (B) a layer of a thermoplastic resin except PPS resins and which are characterized in that the PPS resin composition constituting the layer (A) comprises (A1) 100 parts by weight of a PPS resin, (A2) from 1 to 80 parts by weight of a thermoplastic resin having at least one functional group selected from epoxy groups, acid anhydride groups, carboxyl group and its salts, and carboxylate groups, and (A3) from 5 to 80 parts by weight of a thermoplastic resin that is similar in kind to the thermoplastic resin constituting the layer (B), have good hot water resistance, antifreeze resistance, chemical resistance, heat resistance, abrasion resistance, gas permeation resistance and interlayer adhesion.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: November 26, 2002
    Assignee: Toray Industries, Inc.
    Inventors: Masaru Tateyama, Kazufumi Matsui, Sachio Shimizu, Kazuya Ohno, Norio Shimasaki, Atsushi Ishio, Kazuhiko Kobayashi