Patents by Inventor Tadahide Sone

Tadahide Sone 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).

  • Patent number: 6514298
    Abstract: Fuel additives comprise a compound having a group represented by the formula >C═=N—  (1). Also disclosed are fuel compositions containing such additives. The additives have a superior detergent effect to conventional gasoline detergents and an excellent detergency of the injection nozzles of a diesel engine and is free from being sludge.
    Type: Grant
    Filed: December 26, 2000
    Date of Patent: February 4, 2003
    Assignee: Nippon Mitsubishi Oil Corporation
    Inventors: Katsuhiko Haji, Masaki Nagao, Tadahide Sone
  • Publication number: 20010005957
    Abstract: Fuel additives comprise a compound having a group represented by the formula
    Type: Application
    Filed: December 26, 2000
    Publication date: July 5, 2001
    Applicant: Nippon Mitsubishi Oil Corporation
    Inventors: Katsuhiko Haji, Masaki Nagao, Tadahide Sone