Patents by Inventor Junya Iwasaki

Junya Iwasaki 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).

  • DETERGENT DISPERSANT AND LUBRICATING OIL COMPOSITION
    Publication number: 20120232287
    Abstract: A detergent dispersant contains a nitrogen-containing compound represented by the following formula (1). A lubricating oil composition contains the detergent dispersant. Each symbol in the formula means the same as described in the description.
    Type: Application
    Filed: September 29, 2010
    Publication date: September 13, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Junya Iwasaki, Izumi Terada
  • DETERGENT-DISPERSANT, ADDITIVE COMPOSITION FOR LUBRICANT, AND LUBRICANT COMPOSITION
    Publication number: 20100184982
    Abstract: Provided is a detergent-dispersant for a lubricant having excellent detergency and dispersibility effects. Specifically provided are: a detergent-dispersant including a heterocyclic compound having a heterocyclic skeleton derived from a compound selected from the group consisting of pyridines, pyrroles, pyrimidines, pyrazoles, pyridazines, imidazoles, pyrazines, triazines, triazoles, tetrazoles, oxazoles, oxadiazoles, thiazoles, thiadiazoles, furans, dioxanes, pyrans, and thiophenes; and an additive composition for a lubricant and a lubricant composition, each containing the detergent-dispersant.
    Type: Application
    Filed: June 10, 2008
    Publication date: July 22, 2010
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Junya Iwasaki, Izumi Terada, Hiroaki Koshima