Patents by Inventor Chihiro Kanzawa

Chihiro Kanzawa 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).

  • LUBRICANT OIL, FRICTION MEMBER, AND GEAR-TYPE DIFFERENTIAL WITH DIFFERENTIAL LIMITING FUNCTION
    Publication number: 20150166925
    Abstract: A lubricating oil according to the present invention is a lubricating oil used in a friction-type driving force transmission apparatus, the lubricating oil including: at least one of two additives; a first additive selected from at least one of an aliphatic amine having a saturated or unsaturated hydrocarbon group with a carbon number of 12 to 20 (Chemical Formula 1) and an aliphatic amine ethylene oxide adduct having a saturated or unsaturated hydrocarbon group with a carbon number of 12 to 20 (Chemical Formula 2); and a second additive selected from at least one of a phosphorous acid diester having a saturated or unsaturated hydrocarbon group with a carbon number of 12 to 20 (Chemical Formula 3) and a phosphorous acid monoester having a saturated or unsaturated hydrocarbon group with a carbon number of 12 to 20 (Chemical Formula 4).
    Type: Application
    Filed: December 17, 2014
    Publication date: June 18, 2015
    Applicants: JTEKT Corporation, KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Hiroyuki ANDO, Junji Ando, Kazutaka Matsukawa, Toshimi Hara, Mototake Furuhashi, Mamoru Tohyama, Toshihide Ohmori, Yasuo Esaki, Chihiro Kanzawa, Keiko Fukumoto
  • LUBRICANT OIL, FRICTION MEMBER, AND GEAR-TYPE DIFFERENTIAL WITH DIFFERENTIAL LIMITING FUNCTION
    Publication number: 20120270693
    Abstract: A lubricating oil used in a friction-type drive power transmission apparatus which includes: at least one of two additives; a first additive selected from at least one of an aliphatic amine having a saturated or unsaturated hydrocarbon group with a carbon number of 12 to 20 (Chemical Formula 1) and an aliphatic amine ethylene oxide adduct having a saturated or unsaturated hydrocarbon group with a carbon number of 12 to 20 (Chemical Formula 2).
    Type: Application
    Filed: November 19, 2010
    Publication date: October 25, 2012
    Applicants: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, JTEKT Corporation
    Inventors: Hiroyuki Ando, Junji Ando, Kazutaka Matsukawa, Toshimi Hara, Mototake Furuhashi, Mamoru Tohyama, Toshihide Ohmori, Yasuo Esaki, Chihiro Kanzawa, Keiko Fukumoto