Patents by Inventor Norihito SAZA

Norihito SAZA 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).

  • Multilayer nonwoven fabric for foam molding, method of producing multilayer nonwoven fabric for foam molding, urethane-foam molded complex using multilayer nonwoven fabric, vehicle seat, and chair
    Patent number: 9694558
    Abstract: Disclosed is a multilayer nonwoven fabric for foam molding containing a dense layer and a reinforcing layer provided on at least one side of the dense layer, the reinforcing layer is a staple fiber nonwoven fabric containing thermoplastic resin staple fibers (A) having a fiber diameter of more than 20 ?m, in an amount of 5% by mass to 50% by mass, and hermoplastic resin staple fibers (B) having a fiber diameter of 20 ?m or less, in an amount of 95% by mass to 50% by mass, and conjugate polyester-based staple fibers (C) are contained in an amount of 10% by mass to 40% by mass, the dense layer is a nonwoven fabric having bulk density in a range of from 0.05 g/cm3 to 0.3 g/cm3, and the dense layer and the reinforcing layer are entangled with each other by needle punching.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: July 4, 2017
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Taro Ichikawa, Norihito Saza
  • MULTILAYER NONWOVEN FABRIC FOR FOAM MOLDING, METHOD OF PRODUCING MULTILAYER NONWOVEN FABRIC FOR FOAM MOLDING, URETHANE-FOAM MOLDED COMPLEX USING MULTILAYER NONWOVEN FABRIC, VEHICLE SEAT, AND CHAIR
    Publication number: 20160207279
    Abstract: Disclosed is a multilayer nonwoven fabric for foam molding containing a dense layer and a reinforcing layer provided on at least one side of the dense layer, the reinforcing layer is a staple fiber nonwoven fabric containing thermoplastic resin staple fibers (A) having a fiber diameter of more than 20 ?m, in an amount of 5% by mass to 50% by mass, and hermoplastic resin staple fibers (B) having a fiber diameter of 20 ?m or less, in an amount of 95% by mass to 50% by mass, and conjugate polyester-based staple fibers (C) are contained in an amount of 10% by mass to 40% by mass, the dense layer is a nonwoven fabric having bulk density in a range of from 0.05 g/cm3 to 0.3 g/cm3, and the dense layer and the reinforcing layer are entangled with each other by needle punching.
    Type: Application
    Filed: September 5, 2014
    Publication date: July 21, 2016
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Taro ICHIKAWA, Norihito SAZA