Patents by Inventor Tsuyoshi NOI

Tsuyoshi NOI 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).

  • Urea water tank for construction machine
    Patent number: 11331605
    Abstract: A urea water tank (11) is provided with a unit insertion opening (12H) that is disposed on a top surface part (12A) of a tank body (12) and opens more largely than an external dimension (D2) of a sensor unit (20), a sensor mounting member (16) that is disposed on the top surface part (12A) of the tank body (12) and closes the unit insertion opening (12H), and a filter which is formed as a tubular body to surround the sensor unit (20), and inserted in the unit insertion opening (12H) of the tank body (12) from a lower end (24A4)-side, and having an upper end (24A3) mounted on the top surface part (12A) of the tank body (12) by using the sensor mounting member (16).
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: May 17, 2022
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hiroyuki Azuma, Nobuei Ariga, Tsuyoshi Noi
  • Urea Water Tank for Construction Machine
    Publication number: 20210220764
    Abstract: A urea water tank (11) is provided with a unit insertion opening (12H) that is disposed on a top surface part (12A) of a tank body (12) and opens more largely than an external dimension (D2) of a sensor unit (20), a sensor mounting member (16) that is disposed on the top surface part (12A) of the tank body (12) and closes the unit insertion opening (12H), and a filter which is formed as a tubular body to surround the sensor unit (20), and inserted in the unit insertion opening (12H) of the tank body (12) from a lower end (24A4)-side, and having an upper end (24A3) mounted on the top surface part (12A) of the tank body (12) by using the sensor mounting member (16).
    Type: Application
    Filed: March 31, 2017
    Publication date: July 22, 2021
    Inventors: Hiroyuki AZUMA, Nobuei ARIGA, Tsuyoshi NOI