Patents by Inventor Yuusuke Sakama

Yuusuke Sakama 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).

  • Patent number: 9296035
    Abstract: An object is to provide a lubricating-oil composition for forging molding excellent in lubricity, and a forging molding apparatus also suitable for the lubricating-oil composition of the present invention. The lubricating-oil composition for forging molding of the present invention includes at least two types of solid lubricants having different particle sizes, an extreme-pressure agent, and the balance of base oil. Also, the forging molding apparatus of the present invention includes paired molds formed of an upper mold and a lower mold interposing a forging material therebetween for molding and a lubricating-oil-composition spraying device for spraying the lubricating-oil composition for forging molding onto a surface of the molds, wherein the spraying device includes an oil-feeding tank storing the lubricating-oil composition and a supply tube for suctioning the lubricating-oil composition from the oil-feeding tank for supply to a nozzle, and the supply tube comprises a plurality of suction ports.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: March 29, 2016
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., SATO SPECIAL OIL, LTD.
    Inventors: Norihisa Horaguchi, Kosuke Ikeda, Masaru Seto, Yuusuke Sakama
  • Publication number: 20120192609
    Abstract: An object is to provide a lubricating-oil composition for forging molding excellent in lubricity, and a forging molding apparatus also suitable for the lubricating-oil composition of the present invention. The lubricating-oil composition for forging molding of the present invention includes at least two types of solid lubricants having different particle sizes, an extreme-pressure agent, and the balance of base oil. Also, the forging molding apparatus of the present invention includes paired molds formed of an upper mold and a lower mold interposing a forging material therebetween for molding and a lubricating-oil-composition spraying device for spraying the lubricating-oil composition for forging molding onto a surface of the molds, wherein the spraying device includes an oil-feeding tank storing the lubricating-oil composition and a supply tube for suctioning the lubricating-oil composition from the oil-feeding tank for supply to a nozzle, and the supply tube comprises a plurality of suction ports.
    Type: Application
    Filed: September 30, 2010
    Publication date: August 2, 2012
    Applicants: SATO SPECIAL OIL, LTD., MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Norihisa Horaguchi, Kosuke Ikeda, Masaru Seto, Yuusuke Sakama