Patents by Inventor Ryoichi Wakayama

Ryoichi Wakayama 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).

  • Breathable cushion and method of manufacturing the same
    Patent number: 8806686
    Abstract: A seat cushion includes a cushion pad that is formed of breathable plastic foam, a breathable skin that is integrally layered on a front surface side of the cushion pad, and a non-breathable membrane-like film that is interleaved therebetween. The seat cushion includes a breathing hole formed in the film. The breathing hole extends from a back surface side of the cushion pad and passes through the cushion pad to penetrate the film. The breathing hole is formed while the cushion pad and the film are melted.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: August 19, 2014
    Assignee: Toyota Boshoku Kabushiki Kaisha
    Inventors: Hirotaka Kawasaki, Yukio Ishihara, Masao Tada, Ryoichi Wakayama
  • BREATHABLE CUSHION AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20110258781
    Abstract: A seat cushion includes a cushion pad that is formed of breathable plastic foam, a breathable skin that is integrally layered on a front surface side of the cushion pad, and a non-breathable membrane-like film that is interleaved therebetween. The seat cushion includes a breathing hole formed in the film. The breathing hole extends from a back surface side of the cushion pad and passes through the cushion pad to penetrate the film.
    Type: Application
    Filed: May 16, 2008
    Publication date: October 27, 2011
    Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHA
    Inventors: Hirotaka Kawasaki, Yukio Ishihara, Masao Tada, Ryoichi Wakayama