Patents by Inventor Reika OGAWA

Reika OGAWA 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).

  • Engine cleaning composition
    Patent number: 9353340
    Abstract: This invention provides an engine cleaning composition for removing sediment formed in an engine. Such engine cleaning composition comprises: a dispersant containing a carboxylic acid and an amine; a chelating agent; a glycol solvent; and a naphthenic oil.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: May 31, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hidetoshi Kawai, Yoshiharu Hata, Takeo Sakurai, Hiroyuki Nishiura, Masayuki Ichiyanagi, Reika Ogawa, Shigehiko Sato, Masaaki Matsunaga
  • ENGINE CLEANING COMPOSITION
    Publication number: 20150259631
    Abstract: This invention provides an engine cleaning composition for removing sediment formed in an engine. Such engine cleaning composition comprises: a dispersant containing a carboxylic acid and an amine; a chelating agent; a glycol solvent; and a naphthenic oil.
    Type: Application
    Filed: September 26, 2013
    Publication date: September 17, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hidetoshi KAWAI, Yoshiharu HATA, Takeo SAKURAI, Hiroyuki NISHIURA, Masayuki ICHIYANAGI, Reika OGAWA, Shigehiko SATO, Masaaki MATSUNAGA