Patents by Inventor Maki SAMITSU

Maki SAMITSU 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 FOR PRODUCING HOT MELT ADHESIVE AND HOT MELT ADHESIVE
    Publication number: 20220372340
    Abstract: One aspect of the present invention relates to a method for producing a hot-melt adhesive, comprising: introducing a fluid into a heating kneader while or after kneading a hot-melt adhesive material in a liquid state, at an amount of 0.3 parts by mass or more with respect to 100 parts by mass of the hot-melt adhesive material; and performing vacuuming while heating stirring or dispersing the hot-melt adhesive material and the fluid so as to come into contact with each other.
    Type: Application
    Filed: February 14, 2020
    Publication date: November 24, 2022
    Applicant: MORESCO CORPORATION
    Inventors: Mamiko FUJII, Maki SAMITSU, Masashi ISHIOKA, Takashi MATSUMOTO, Eiji KUSUNOKI
  • Hot melt adhesive
    Patent number: 10400142
    Abstract: One aspect of the present invention resides in a hot melt adhesive including a thermoplastic polymer and a tackifier, wherein the tackifier includes an acid-modified tackifier that is modified by at least one of maleic acid and maleic anhydride, and by at least one selected from the group consisting of acrylic acid, methacrylic acid, an acrylic acid ester, and a methacrylic acid ester.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: September 3, 2019
    Assignee: MORESCO CORPORATION
    Inventors: Hisashi Ichikawa, Hiroshi Kurokawa, Maki Samitsu, Katsuhito Fukuda
  • HOT MELT ADHESIVE
    Publication number: 20170051187
    Abstract: One aspect of the present invention resides in a hot melt adhesive including a thermoplastic polymer and a tackifier, wherein the tackifier includes an acid-modified tackifier that is modified by at least one of maleic acid and maleic anhydride, and by at least one selected from the group consisting of acrylic acid, methacrylic acid, an acrylic acid ester, and a methacrylic acid ester.
    Type: Application
    Filed: January 22, 2015
    Publication date: February 23, 2017
    Applicant: MORESCO CORPORATION
    Inventors: Hisashi ICHIKAWA, Hiroshi KUROKAWA, Maki SAMITSU, Katsuhito FUKUDA