Patents by Inventor Hiroshige Matsuoka

Hiroshige Matsuoka 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).

  • Ring segment of gas turbine
    Patent number: 7033138
    Abstract: An object of the present invention is to provide a ring segment of a gas turbine in which the temperature is maintained low, damage due to high temperature oxidation is prevented, and high temperature deformation is prevented.
    Type: Grant
    Filed: September 6, 2002
    Date of Patent: April 25, 2006
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Yasuoki Tomita, Osamu Isumi, Shinichi Inoue, Friedrich Soechting, Vincent Laurello, Hiroshige Matsuoka
  • Ring segment of gas turbine
    Publication number: 20040047725
    Abstract: An object of the present invention is to provide a ring segment of a gas turbine in which the temperature is maintained low, damage due to high temperature oxidization is prevented, and high temperature deformation is prevented.
    Type: Application
    Filed: September 6, 2002
    Publication date: March 11, 2004
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yasuoki Tomita, Osamu Isumi, Shinichi Inoue, Friedrich Soechting, Vincent Laurello, Hiroshige Matsuoka
  • Metal working oil composition
    Patent number: 6562766
    Abstract: Provided is a metal working oil composition not containing a chlorine compound. Its working capabilities in low-speed cutting or heavy cutting operations such as broaching or gun-drilling operations are comparable to or better than those of chlorine compound-containing lubricant oil. The composition comprises 100 parts by weight of a lubricant base oil that comprises from 0 to 30% by weight of (a) a mineral base oil and from 70% to 100% by weight of (b) a &pgr; electron-containing synthetic base oil, from 0.1 to 25 parts by weight of (c) a sulfur-containing extreme-pressure agent, and from 0.1 to 7 parts by weight of (d) an alkali metal and/or alkaline earth metal sulfonate.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: May 13, 2003
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Saburo Koyama, Hiroshige Matsuoka, Ryouichi Okuda