Patents by Inventor Ryutaro IMAKOMA

Ryutaro IMAKOMA 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).

  • Publication number: 20240300546
    Abstract: Provided is a rail vehicle that can promote a weight reduction of the rail vehicle by providing a film body in a side film or a ceiling film, can ensure a large vehicle inner space, can prevent the occurrence of stains, scratches, and the like. The rail vehicle includes an underframe including a floor portion, side structures that each have a window and are erected along a longitudinal direction of the side structures at both end portions in a width direction of the underframe, and side films provided along surfaces of the side structures on a vehicle inner side. Each of the side films has a window opening portion at a portion corresponding to the window, and a window frame portion that presses a peripheral edge portion of the window opening portion toward the side structure is provided.
    Type: Application
    Filed: March 6, 2024
    Publication date: September 12, 2024
    Applicant: HITACHI, LTD.
    Inventors: Takahiro CHOUNO, Yuuki HASHIMOTO, Yoshiaki SUGII, Rikuto YATABE, Hiroki TSUNODA, Ryutaro IMAKOMA
  • Publication number: 20240300554
    Abstract: Provided is a rail vehicle including a film that can be maintained in a construction state without being affected by expansion and contraction or the like of the film due to aging, and can be easily constructed and replaced, in addition to being able to promote a weight reduction by reducing the number of components. In a rail vehicle including a structure, the structure includes a film provided along the structure on a vehicle inner side of the rail vehicle, the film has a film central portion, a film end portion connected to the structure via an elastic body, and a first fastener portion that separably connects the film central portion and the film end portion, and tension of the elastic body is applied to the film in a state in which the first fastener portion is closed.
    Type: Application
    Filed: March 7, 2024
    Publication date: September 12, 2024
    Inventors: Takahiro CHOUNO, Takamasa IWAMOTO, Yuuki HASHIMOTO, Yoshiaki SUGII, Yuya FUTAMURA, Katsunari KOHASHI, Rikuto YATABE, Hiroki TSUNODA, Ryutaro IMAKOMA