Patents by Inventor Akimitsu FUJIWARA

Akimitsu FUJIWARA 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 FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20200190422
    Abstract: A lubricating oil composition comprising a GTL (Gas to-Liquid) base oil synthesized by the Fischer-Tropsch process and a viscosity index improver, wherein the content of the viscosity index improver is 0.1 to 20 mass %, and at least HTHSV 50° C./HTHSV 150° C. is 6.50 or less and KV 50° C./HTHSV 150° C. is 8.00 or less.
    Type: Application
    Filed: April 18, 2018
    Publication date: June 18, 2020
    Inventors: Kiyoshi HANYUDA, Akimitsu FUJIWARA, Izumi KOBAYASHI, Taku SAITO