Patents by Inventor Atsushi Sumita

Atsushi Sumita 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).

  • LAMINATE AND FIBER-REINFORCED RESIN COMPOSITE OBTAINED THEREFROM
    Publication number: 20200231765
    Abstract: The purpose of the present invention is to provide a laminate excellent in terms of rigidity and low specific gravity and a fiber-reinforced composite obtained from the laminate. The present invention relates to a laminate which comprises a fibrous sheet for reinforcement and a thermoplastic resin sheet, characterized in that (i) the thermoplastic resin sheet is a polypropylene resin composition comprising (A) 70-95 parts by weight of a polypropylene resin (A ingredient) and (B) 30-5 parts by weight of a polycarbonate resin (B ingredient) and (ii) the fibrous sheet for reinforcement is constituted of reinforcing fibers, the content of which is 20-150 parts by weight per 100 parts by weight of resin ingredients comprising the A ingredient and B ingredient.
    Type: Application
    Filed: February 20, 2018
    Publication date: July 23, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Atsushi SUMITA, Toshiyuki MIYAKE
  • Polycarbonate resin composition
    Patent number: 8648165
    Abstract: The present invention seeks to provide a resin composition which contains an aromatic polycarbonate resin and a polyester resin and which has excellent mechanical strength, flowability and thermal stability and also has excellent moist heat resistance together. The present invention is a resin composition containing 50 to 99 parts by weight of an aromatic polycarbonate resin (component A) and 1 to 50 parts by weight of a polyester resin (component B), the component B being a polyester resin polymerized in the presence of a titanium-phosphorus catalyst obtained by reacting titanium tetrabutoxide, etc., with monolauryl phosphate, etc.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: February 11, 2014
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Atsushi Sumita, Daisuke Takahashi, Fumihiro Togashi, Tomoyuki Hirano
  • POLYCARBONATE RESIN COMPOSITION
    Publication number: 20120289655
    Abstract: The present invention seeks to provide a resin composition which contains an aromatic polycarbonate resin and a polyester resin and which has excellent mechanical strength, flowability and thermal stability and also has excellent moist heat resistance together. The present invention is a resin composition containing 50 to 99 parts by weight of an aromatic polycarbonate resin (component A) and 1 to 50 parts by weight of a polyester resin (component B), the component B being a polyester resin polymerized in the presence of a titanium-phosphorus catalyst obtained by reacting titanium tetrabutoxide, etc., with monolauryl phosphate, etc.
    Type: Application
    Filed: January 13, 2011
    Publication date: November 15, 2012
    Inventors: Atsushi Sumita, Daisuke Takahashi, Fumihiro Togashi, Tomoyuki Hirano