Patents by Inventor Yusaku Matsuoka

Yusaku Matsuoka 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).

  • 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
  • Patent number: 11925141
    Abstract: A mower deck is disclosed. The mower deck includes a housing having a top wall, at least one blade rotated downwardly of the top wall and about a vertical shaft, and a blade baffle unit extending downwards from the top wall in such a manner as to surround an outer circumferential area of a rotational path of the blade to create therein a mulching blade rotation space, the blade baffle unit having a front baffle located on an advancing side of the traveling vehicle and a rear baffle located on a reversing side of the traveling vehicle. The front baffle extends downwards from the top wall to exceed the rotational path so as to prevent discharge of cut grass pieces via a lower end of the front baffle. The rear baffle extends downwards from the top wall by such an extent to allow discharge of the cut grass pieces.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: March 12, 2024
    Assignee: Kubota Corporation
    Inventors: Ryo Shimada, Yusaku Matsuoka
  • 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
  • Publication number: 20210274707
    Abstract: A mower deck to be mounted on a traveling vehicle is disclosed. The mower deck includes a housing having a top wall, at least one blade rotated downwardly of the top wall and about a vertical shaft, and a blade baffle unit extending downwards from the top wall in such a manner as to surround an outer circumferential area of a rotational path of the blade to create therein a mulching blade rotation space, the blade baffle unit having a front baffle located on an advancing side of the traveling vehicle and a rear baffle located on a reversing side of the traveling vehicle. The front baffle extends downwards from the top wall to exceed the rotational path so as to prevent discharge of cut grass pieces via a lower end of the front baffle. The rear baffle extends downwards from the top wall by such an extent to allow discharge of the cut grass pieces.
    Type: Application
    Filed: October 22, 2020
    Publication date: September 9, 2021
    Inventors: Ryo Shimada, Yusaku Matsuoka