Patents by Inventor Yuuma TOMITSUKA

Yuuma TOMITSUKA 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).

  • DEHUMIDIFICATION MEMBER, DEHUMIDIFICATION ROTOR AND METHOD FOR PRODUCING DEHUMIDIFICATION MEMBER
    Publication number: 20230175713
    Abstract: An object is to provide a dehumidifying member having a high tensile strength. The object can be achieved by a dehumidifying member including a honeycomb structure. The honeycomb structure includes a planar base material and a corrugated base material, a contact part where a wave top portion of the corrugated base material and the planar base material are in contact with each other, and an air hole. The contact part includes an adhesion part adhered by an adhesive agent and silica gel formed on the air hole side from the contact part. The component forming the adhesive agent differs from the component of the silica gel formed on the air hole side from the adhesion part.
    Type: Application
    Filed: May 18, 2021
    Publication date: June 8, 2023
    Inventors: Kazuki YAMANA, Masaaki KOUBARA, Yuuma TOMITSUKA
  • Soundproofing material
    Patent number: 11535004
    Abstract: A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 ?m and 1000 ?m or less, a bulk density is 0.007 to 0.024 g/cm3, and a flow resistivity is 170,000 to 2,000,000 Ns/m4.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: December 27, 2022
    Assignee: NICHIAS CORPORATION
    Inventors: Kazutaka Murayama, Keiji Tsukahara, Hikari Sasaki, Yuuma Tomitsuka, Tatsuro Miki, Daisuke Ando
  • SOUNDPROOFING MATERIAL
    Publication number: 20190329524
    Abstract: A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 ?m and 1000 ?m or less, a bulk density is 0.007 to 0.024 g/cm3, and a flow resistivity is 170,000 to 2,000,000 Ns/m4.
    Type: Application
    Filed: May 24, 2017
    Publication date: October 31, 2019
    Applicant: NICHIAS CORPORATION
    Inventors: Kazutaka MURAYAMA, Keiji TSUKAHARA, Hikari SASAKI, Yuuma TOMITSUKA, Tatsuro MIKI, Daisuke ANDO