Patents by Inventor Masafumi Tsubosaka

Masafumi Tsubosaka 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 COMPOSITION FOR A HYBRID ELECTRIC VEHICLE TRANSMISSION
    Publication number: 20200216774
    Abstract: The disclosed technology relates to a lubricant composition for use in an automatic transmission of a hybrid electric vehicle, containing an oil of lubricating viscosity, at least one borate ester, and at least one phosphorus containing compound.
    Type: Application
    Filed: August 10, 2018
    Publication date: July 9, 2020
    Applicant: The Lubrizol Corporation
    Inventors: William D. Abraham, Masafumi Tsubosaka