Patents by Inventor Takashi KURACHI

Takashi KURACHI 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).

  • Vibration damping material
    Patent number: 9273205
    Abstract: A vibration damping material according to one aspect of the present invention comprises a composition as a main component, the composition being prepared by mixing based on 100 parts by weight of acrylic rubber, at least, in an external ratio, 0.01 to 15 parts by weight of organic peroxide that can crosslink between epoxy-based crosslinking points with each other, 25 to 50 parts by weight of carbon black having a mean particle diameter of 22 to 45 nm, and 15 to 35 parts by weight of carbon black having a mean particle diameter of 70 to 85 nm; and crosslinking crosslinking points in the acrylic rubber with each other through the organic peroxide.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: March 1, 2016
    Assignee: KITAGAWA INDUSTRIES CO., LTD.
    Inventors: Teruaki Yuoka, Takashi Kurachi
  • VIBRATION DAMPING MATERIAL
    Publication number: 20150299452
    Abstract: A vibration damping material according to one aspect of the present invention comprises a composition as a main component, the composition being prepared by mixing based on 100 parts by weight of acrylic rubber, at least, in an external ratio, 0.01 to 15 parts by weight of organic peroxide that can crosslink between epoxy-based crosslinking points with each other, 25 to 50 parts by weight of carbon black having a mean particle diameter of 22 to 45 nm, and 15 to 35 parts by weight of carbon black having a mean particle diameter of 70 to 85 nm; and crosslinking crosslinking points in the acrylic rubber with each other through the organic peroxide.
    Type: Application
    Filed: October 11, 2013
    Publication date: October 22, 2015
    Inventors: Teruaki YUOKA, Takashi KURACHI