Patents by Inventor Itsuro Hasegawa

Itsuro Hasegawa 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).

  • Method of manufacturing adhesive foamed product
    Patent number: 5708042
    Abstract: A method of manufacturing an adhesive foamed product for use in a hollow component of a motorcar, includes the steps of mixing an adhesive resin, a foaming agent, a crosslinking agent, a foaming accelerator and a polymerizable monomer to thereby formulate a highly foamable composition, arranging the foamable composition thus formulated in the interior of a hollow component of a motorcar, and heating the foamable composition until it is foamed to have a shape corresponding substantially to the shape of the hollow component.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: January 13, 1998
    Inventor: Itsuro Hasegawa
  • Method of manufacturing rigid foamed product
    Patent number: 5631304
    Abstract: A method of manufacturing a rigid foamed product includes the steps of mixing a metal adhesive resin, a foaming agent, a foaming accelerator, a crosslinking agent, a monomer, and a fibrous material to formulate a foamable composition, arranging the foamable composition thus formulated in a cavity of a formed metal component, and heating the metal component with the foamable composition.
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: May 20, 1997
    Inventor: Itsuro Hasegawa