Patents by Inventor Naruhiko Mashita

Naruhiko Mashita 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).

  • Damping material
    Patent number: 5350610
    Abstract: Disclosed is a damping material, which contains from 3 to 30% by weight of a thermoplastic elastomer containing at least two polymer blocks along with a bitumen and which has a dynamic loss tangent (tan .delta.) of being 0.5 or more in 10% deformation under the condition of 25.degree. C. and 1 Hz.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: September 27, 1994
    Assignee: Bridgestone Corporation
    Inventors: Naruhiko Mashita, Akihiko Ogino, Yoshihide Fukahori