Patents by Inventor Masaharu NAGATSUKA

Masaharu NAGATSUKA 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).

  • Foam molding method, foam molded article, and method for manufacturing foam molded article
    Patent number: 11707869
    Abstract: A foam molding method includes: sealing a core material and a skin material with a sealing part; and molding a foam layer on the inside of the sealing part. The sealing of the core material and the skin material with the sealing part includes sealing the core material and the skin material so that the sealing part includes a self sealing part for which an edge part of the skin material is housed in a recess provided in the core material, a clamp sealing part sealed by clamping the core material and the edge part of the skin material by foam molding molds, and a crimp sealing part arranged in a switchover part between the clamp sealing part and the self sealing part, and sealed by crimping the edge part of the skin material to the core material.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: July 25, 2023
    Assignee: Marelli Corporation
    Inventors: Mai Inoue, Masaharu Nagatsuka, Hisatsugu Satou, Akira Saitou, Norio Emori, Yuuta Igarashi, Ryou Sogawa, Takashi Fukuda
  • FOAM MOLDING METHOD, FOAM MOLDED ARTICLE, AND METHOD FOR MANUFACTURING FOAM MOLDED ARTICLE
    Publication number: 20200164551
    Abstract: A foam molding method includes: sealing a core material and a skin material with a sealing part; and molding a foam layer on the inside of the sealing part. The sealing of the core material and the skin material with the sealing part includes sealing the core material and the skin material so that the sealing part includes a self sealing part for which an edge part of the skin material is housed in a recess provided in the core material, a clamp sealing part sealed by clamping the core material and the edge part of the skin material by foam molding molds, and a crimp sealing part arranged in a switchover part between the clamp sealing part and the self sealing part, and sealed by crimping the edge part of the skin material to the core material.
    Type: Application
    Filed: May 21, 2018
    Publication date: May 28, 2020
    Inventors: Mai INOUE, Masaharu NAGATSUKA, Hisatsugu SATOU, Akira SAITOU, Norio EMORI, Yuuta IGARASHI, Ryou SOGAWA, Takashi FUKUDA