Patents by Inventor Tomonori Yahagi

Tomonori Yahagi 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).

  • Oil pump including resin pump cover
    Patent number: 11530698
    Abstract: An oil pump is configured to include a rotor, a drive shaft that drives the rotor to rotate, a rotor chamber in which the rotor is contained, an inlet port and an outlet port each provided in the vicinity of the rotor chamber, and a pump cover. The pump cover is made of a resin. On a portion of an outer surface side of the pump cover corresponding to an inner portion, in which oil circulates, of the pump cover, a rib that has an erecting wall shape is provided.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: December 20, 2022
    Assignee: YAMADA MANUFACTURING CO., LTD.
    Inventors: Yuken Saito, Manabu Watanabe, Tomonori Yahagi
  • OIL PUMP
    Publication number: 20220074406
    Abstract: An oil pump is configured to include a rotor, a drive shaft that drives the rotor to rotate, a rotor chamber in which the rotor is contained, an inlet port and an outlet port each provided in the vicinity of the rotor chamber, and a pump cover. The pump cover is made of a resin. On a portion of an outer surface side of the pump cover corresponding to an inner portion, in which oil circulates, of the pump cover, a rib that has an erecting wall shape is provided.
    Type: Application
    Filed: July 2, 2021
    Publication date: March 10, 2022
    Inventors: Yuken SAITO, Manabu Watanabe, Tomonori Yahagi