Patents by Inventor Katsuji OKAMI

Katsuji OKAMI 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: 11198832
    Abstract: A lubricating oil composition for automotive transmissions is disclosed. It offers an automotive transmission (especially a fuel-saving type) which satisfies all requirements as regards the properties of resistance to churning, maintenance of the oil film and low-temperature viscosity. It comprises a GTL low viscosity base oil and a Group 1 high viscosity base oil.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: December 14, 2021
    Assignee: SHELL OIL COMPANY
    Inventors: Noriaki Shinoda, Ryuji Maruyama, Katsuji Okami
  • LUBRICATING OIL COMPOSITION
    Publication number: 20200318026
    Abstract: A lubricating oil composition for automotive transmissions is disclosed. It offers an automotive transmission (especially a fuel-saving type) which satisfies all requirements as regards the properties of resistance to churning, maintenance of the oil film and low-temperature viscosity. It comprises a GTL low viscosity base oil and a Group 1 high viscosity base oil.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Inventors: Noriaki SHINODA, Ryuji MARUYAMA, Katsuji OKAMI
  • Lubricating oil composition
    Patent number: 10717944
    Abstract: A lubricating oil composition for automotive transmissions is disclosed. It offers an automotive transmission (especially a fuel-saving type) which satisfies all requirements as regards the properties of resistance to churning, maintenance of the oil film and low-temperature viscosity. It comprises a GTL low viscosity base oil and a Group 1 high viscosity base oil.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: July 21, 2020
    Assignee: SHELL OIL COMPANY
    Inventors: Noriaki Shinoda, Ryuji Maruyama, Katsuji Okami
  • LUBRICATING OIL COMPOSITION
    Publication number: 20170226443
    Abstract: A lubricating oil composition for automotive transmissions is disclosed. It offers an automotive transmission (especially a fuel-saving type) which satisfies all requirements as regards the properties of resistance to churning, maintenance of the oil film and low-temperature viscosity. It comprises a GTL low viscosity base oil and a Group 1 high viscosity base oil.
    Type: Application
    Filed: September 28, 2015
    Publication date: August 10, 2017
    Inventors: Noriaki SHINODA, Ryuji MARUYAMA, Katsuji OKAMI