Patents by Inventor Tomohiro Monna

Tomohiro Monna 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).

  • Grease composition for ball joint
    Patent number: 11702613
    Abstract: Provided is a grease composition for a ball joint that can reduce the wear of a ball seat at a slide region and also has excellent compatibility with a dust cover. The grease composition for a ball joint comprises a base oil, a thickener, and an additive. The base oil contains an ethylene-?-olefin copolymer and the kinetic viscosity of the base oil at 40° C. is 2,000 to 6,000 mm2/s. The additive contains a polar wax (e.g., monoamide wax or ester wax).
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: July 18, 2023
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Tsuyoshi Kochi, Mitsuhiro Kakizaki, Yosuke Fujiwara, Tomohiro Monna
  • GREASE COMPOSITION FOR BALL JOINT
    Publication number: 20220380699
    Abstract: An object is to provide a grease composition for a ball joint capable of reducing the starting torque, reducing the operating torque, and improving the low temperature property as compared with the related art. The grease composition for a ball joint according to the present invention contains a silicone oil as a base oil and an additive, and contains an amino-modified silicone and a modified polyolefin as the additive. The silicone oil preferably includes at least one of dimethyl silicone oil and phenyl-modified silicone oil.
    Type: Application
    Filed: September 3, 2020
    Publication date: December 1, 2022
    Applicants: SOMIC MANAGEMENT HOLDINGS INC., NIPPECO LTD.
    Inventors: Yosuke FUJIWARA, Tomohiro MONNA, Masakazu HARADA, Hiroki YODA
  • GREASE COMPOSITION FOR BALL JOINT
    Publication number: 20200181528
    Abstract: Provided is a grease composition for a ball joint that can reduce the wear of a ball seat at a slide region and also has excellent compatibility with a dust cover. The grease composition for a ball joint comprises a base oil, a thickener, and an additive. The base oil contains an ethylene-?-olefin copolymer and the kinetic viscosity of the base oil at 40° C. is 2,000 to 6,000 mm2 /s. The additive contains a polar wax (e.g., monoamide wax or ester wax).
    Type: Application
    Filed: February 27, 2017
    Publication date: June 11, 2020
    Applicant: Kyodo Yushi Co., Ltd.
    Inventors: Tsuyoshi Kochi, Mitsuhiro Kakizaki, Yosuke Fujiwara, Tomohiro Monna