Patents by Inventor Miho Endou

Miho Endou 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).

  • Succinimide compound, lubricating oil additive, and lubricating oil composition
    Patent number: 8933247
    Abstract: The present invention provides a succinimide compound represented by the following formula (1-1) or (1-2), and a lubricating oil additive and a lubricating oil composition which contain the succinimide compound. wherein R represents an alkyl group or an alkenyl group having a number-average molecular weight of 500 or greater and less than 5000. wherein R represents an alkyl group or an alkenyl group having a number-average molecular weight of 500 or greater and less than 5000.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: January 13, 2015
    Assignee: JX Nippon Oil & Energy Corporation
    Inventors: Kazuo Tagawa, Miho Endou
  • SUCCINIMIDE COMPOUND, LUBRICATING OIL ADDITIVE, AND LUBRICATING OIL COMPOSITION
    Publication number: 20130040865
    Abstract: The present invention provides a succinimide compound represented by the following formula (1-1) or (1-2), and a lubricating oil additive and a lubricating oil composition which contain the succinimide compound. wherein R represents an alkyl group or an alkenyl group having a number-average molecular weight of 500 or greater and less than 5000. wherein R represents an alkyl group or an alkenyl group having a number-average molecular weight of 500 or greater and less than 5000.
    Type: Application
    Filed: March 29, 2011
    Publication date: February 14, 2013
    Applicant: JX NIPPON OIL & ENERGY CORPORATION
    Inventors: Kazuo Tagawa, Miho Endou