Patents by Inventor Yuki Hirotsu

Yuki Hirotsu 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).

  • Mower unit
    Patent number: 11937535
    Abstract: Provided are blades 22R, 22C, 22L rotatably driven about rotational axes XL, XC, XR to be able to cut grass on the ground surface, a housing covering the blades 22R, 22C, 22L and having a lower face thereof opened, a water feeding section provided outside the housing, a water discharging section 54 provided inside the housing for discharging cleaning water fed to the water feeding section, and a water feeding pipe 55 connected to/between the water feeding section and the water discharging section 54. The water discharging section 54 discharges water toward an inner wall face of the housing.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: March 26, 2024
    Assignee: Kubota Corporation
    Inventors: Masaki Takaoka, Junki Nakao, Akihito Mihara, Yusaku Matsuoka, Yuki Hirotsu
  • Mower Unit
    Publication number: 20220192086
    Abstract: Provided are blades 22R, 22C, 22L rotatably driven about rotational axes XL, XC, XR to be able to cut grass on the ground surface, a housing covering the blades 22R, 22C, 22L and having a lower face thereof opened, a water feeding section provided outside the housing, a water discharging section 54 provided inside the housing for discharging cleaning water fed to the water feeding section, and a water feeding pipe 55 connected to/between the water feeding section and the water discharging section 54. The water discharging section 54 discharges water toward an inner wall face of the housing.
    Type: Application
    Filed: June 15, 2021
    Publication date: June 23, 2022
    Inventors: Masaki Takaoka, Junki Nakao, Akihito Mihara, Yusaku Matsuoka, Yuki Hirotsu