Patents by Inventor Shigemitsu Yotsumoto

Shigemitsu Yotsumoto 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).

  • ADHESIVE FOR CORRUGATED CARDBOARD FOR PREVENTING PACKAGE STACK CRUMBLING AND METHOD OF PREVENTING PACKAGE STACK CRUMBLING WITH THE SAME
    Publication number: 20100307679
    Abstract: The present adhesive for corrugated cardboard for preventing package stack crumbling is characterized by comprising a mixture of a petroleum resin emulsion containing a mineral oil and a water-soluble resin solution. Examples of the water-soluble resin include polyvinyl alcohol, sodium polyacrylate, carboxymethyl cellulose, hydroxyethyl cellulose, etc. The adhesive for corrugated cardboard is effecting for preventing package stack crumbling within a short period of drying time, and does not damage the surfaces of the corrugated cardboard when unpacking the package stack.
    Type: Application
    Filed: May 29, 2008
    Publication date: December 9, 2010
    Applicants: HIKARIBOND CO., LTD., KANAE CHEMICALS CO., LTD., SHOWA HIGHPOLYMER CO., LTD.
    Inventors: Shigemitsu Yotsumoto, Toyohiko Fujii