Patents by Inventor Tomonobu TAKADA

Tomonobu TAKADA 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: 11028335
    Abstract: Provided is a grease composition which is excellent in fire extinguishing performance without water and can suppress fuming, malodor, and liquefaction on burning and a method for producing the grease composition. A grease composition contains a base oil (A), a thickener (B), and a fire retardant (C), wherein the base oil (A) contains a base oil (A1) having a 40° C. kinematic viscosity of 300 mm2/s or more, a sulfur content of 20 ppm by mass or less, and an initial boiling point of 400° C. or higher, the fire retardant (C) is at least one of aluminum hydroxide (C1) and 1,3,5-triazine-1,3,5 (2H, 4H, 6H)-tris(ethanol) (C2), and a content of the fire retardant (C) is 1.0 to 12.0 mass % based on a total amount of the grease composition.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: June 8, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akihiro Shishikura, Tomonobu Takada, Hiroki Sekiguchi, Asami Koga, Go Watanabe, Harutomo Ikeda
  • Publication number: 20190300814
    Abstract: Provided is a grease composition which is excellent in fire extinguishing performance without water and can suppress fuming, malodor, and liquefaction on burning and a method for producing the grease composition. A grease composition contains a base oil (A), a thickener (B), and a fire retardant (C), wherein the base oil (A) contains a base oil (A1) having a 40° C. kinematic viscosity of 300 mm2/s or more, a sulfur content of 20 ppm by mass or less, and an initial boiling point of 400° C. or higher, the fire retardant (C) is at least one of aluminum hydroxide (C1) and 1,3,5-triazine-1,3,5 (2H, 4H, 6H)-tris(ethanol) (C2), and a content of the fire retardant (C) is 1.0 to 12.0 mass % based on a total amount of the grease composition.
    Type: Application
    Filed: January 17, 2018
    Publication date: October 3, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Akihiro SHISHIKURA, Tomonobu TAKADA, Hiroki SEKIGUCHI, Asami KOGA, Go WATANABE, Harutomo IKEDA