Patents by Inventor Ryouta Yatsuduka

Ryouta Yatsuduka 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).

  • Internal combustion engine and method for manufacturing the same
    Patent number: 9359946
    Abstract: An internal combustion engine having an anodic oxidation coating formed on at least a part of a wall surface that faces a combustion chamber, wherein the anodic oxidation coating has voids and nano-holes smaller than the voids; at least part of the voids are sealed with a sealant derived by converting a sealing agent; and at least a part of the nano-holes are not sealed.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: June 7, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoki Nishikawa, Takumi Hijii, Akio Kawaguchi, Ryouta Yatsuduka, Fumio Shimizu, Yoshifumi Wakisaka, Hidemasa Kosaka
  • INTERNAL COMBUSTION ENGINE AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20140245994
    Abstract: An internal combustion engine having an anodic oxidation coating formed on at least a part of a wall surface that faces a combustion chamber, wherein the anodic oxidation coating has voids and nano-holes smaller than the voids; at least part of the voids are sealed with a sealant derived by converting a sealing agent; and at least a part of the nano-holes are not sealed.
    Type: Application
    Filed: September 11, 2012
    Publication date: September 4, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoki Nishikawa, Takumi Hijii, Akio Kawaguchi, Ryouta Yatsuduka, Fumio Shimizu, Yoshifumi Wakisaka, Hidemasa Kosaka