Patents by Inventor Seiichi Shido

Seiichi Shido 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).

  • Lubricating oil composition
    Patent number: 5171903
    Abstract: A lubricating oil composition for plastic working and a lubricating oil composition for cutting and grinding which contains a straight chain olefin having 6 to 40 carbon atoms. The lubricating oil composition for plastic working or the lubricating oil composition for cutting and grinding provides excellent workability and can give the material worked an excellent finish.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: December 15, 1992
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Saburo Koyama, Seiichi Shido, Kenji Onodera, Shigeo Hara, Yasunori Tomari, Toshio Saito, Tatsuo Nara
  • Lubricating oil composition
    Patent number: 5072067
    Abstract: Disclosed are a lubricating oil composition for plastic working and a lubricating oil composition for cutting and grinding which comprises a straight chain olefin having 6 to 40 carbon atoms. This lubricating oil composition for plastic working or a lubricating oil composition for cutting and grinding provides excellent workability and can give the material worked an excellent finish.
    Type: Grant
    Filed: November 2, 1989
    Date of Patent: December 10, 1991
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Saburo Koyama, Seiichi Shido, Kenji Onodera, Shigeo Hara
  • Lubricating oil for metal working
    Patent number: 4832860
    Abstract: A lubricating oil for metal working comprises a base oil and a diester of a branched aliphatic dicarboxylic acid having from 12 to 28 carbon atoms and a straight chain aliphatic alcohol having from 1 to 6 carbon atoms. The lubricating oil is excellent in rolling properties and causes no heat scratching, and permits the production of rolled plates having good gloss. These properties are further improved by adding a monoester compound having from 13 to 48 carbon atoms to the above oil.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: May 23, 1989
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Tadashi Katafuchi, Hiroo Mitazaki, Seiichi Shido, Yasunori Tomari, Kenji Onodera