Patents by Inventor Takumi Uchida

Takumi Uchida 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).

  • Surface treatment agent and surface treatment method
    Patent number: 11965111
    Abstract: A surface treatment agent containing a silylating agent (A) and a compound (C) having an amide skeleton in a molecule, and a surface treatment method for subjecting an object to be treated to surface treatment using the surface treatment agent.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 23, 2024
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Takumi Namiki, Emi Uchida, Mai Sugawara
  • Gear pump including an inner rotor having a plurality of teeth
    Patent number: 9581156
    Abstract: In a gear pump, an outer inner wall surface of a suction port which is located on a downstream side in a rotor rotation direction, that is, a first inner wall surface, is located inward of a bottom land between internal teeth of an outer rotor, and the suction port has a shallow portion extended inward from the first inner wall surface on the downstream side in the rotor rotation direction, and a deep portion that is formed so as to be continuous with the shallow portion and that is deeper than the shallow portion. Communication between an inter-tooth chamber and the suction port is cut off with the inter-tooth chamber facing only the shallow portion.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: February 28, 2017
    Assignee: AISIN AW CO., LTD.
    Inventors: Takahiro Torii, Kengo Nomura, Minoru Todo, Mikio Iwase, Koji Ota, Mitsuhiro Takeda, Naoki Okoshi, Takumi Uchida
  • GEAR PUMP
    Publication number: 20150219097
    Abstract: In a gear pump, an outer inner wall surface of a suction port which is located on a downstream side in a rotor rotation direction, that is, a first inner wall surface, is located inward of a bottom land between internal teeth of an outer rotor, and the suction port has a shallow portion extended inward from the first inner wall surface on the downstream side in the rotor rotation direction, and a deep portion that is formed so as to be continuous with the shallow portion and that is deeper than the shallow portion. Communication between an inter-tooth chamber and the suction port is cut off with the inter-tooth chamber facing only the shallow portion.
    Type: Application
    Filed: August 28, 2013
    Publication date: August 6, 2015
    Applicant: AISIN AW CO., LTD.
    Inventors: Takahiro Torii, Kengo Nomura, Minoru Todo, Mikio Iwase, Koji Ota, Mitsuhiro Takeda, Naoki Okoshi, Takumi Uchida