Patents by Inventor Yuki RYU

Yuki RYU 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: 12359601
    Abstract: An installation structure for an air control device, the air control device being configured to control supply of secondary air from an air cleaner to an exhaust passage of an engine. A cylinder head is located above the engine. A cylinder head cover is installed on the cylinder head. A fuel tank is installed above the cylinder head cover. The air control device is installed on a lateral side of the cylinder head cover below the fuel tank.
    Type: Grant
    Filed: May 31, 2024
    Date of Patent: July 15, 2025
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Shinichi Yamada, Yuki Ryu
  • Patent number: 12359604
    Abstract: An engine for a straddle-type vehicle. The straddle-type vehicle is to be mounted on a vehicle frame in which a down frame extends downward from a head pipe. The engine includes a cylinder head having an exhaust port formed thereon, an exhaust pipe connected to the exhaust port of the cylinder head, and an exhaust gas sensor attached to the exhaust pipe. The exhaust pipe extends downward passing through a first lateral side of the down frame, crosses a front side of the down frame, and extends upward passing through a second lateral side of the down frame. A part of the exhaust pipe that crosses the down frame is a straight portion. The exhaust gas sensor is attached to the straight portion and overlaps the down frame from the front side.
    Type: Grant
    Filed: August 30, 2024
    Date of Patent: July 15, 2025
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Shinichi Yamada, Yuki Ryu, Shogo Kousaka
  • Publication number: 20250137397
    Abstract: An engine for a straddle-type vehicle. The straddle-type vehicle is to be mounted on a vehicle frame in which a down frame extends downward from a head pipe. The engine includes a cylinder head having an exhaust port formed thereon, an exhaust pipe connected to the exhaust port of the cylinder head, and an exhaust gas sensor attached to the exhaust pipe. The exhaust pipe extends downward passing through a first lateral side of the down frame, crosses a front side of the down frame, and extends upward passing through a second lateral side of the down frame. A part of the exhaust pipe that crosses the down frame is a straight portion. The exhaust gas sensor is attached to the straight portion and overlaps the down frame from the front side.
    Type: Application
    Filed: August 30, 2024
    Publication date: May 1, 2025
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Shinichi YAMADA, Yuki RYU, Shogo KOUSAKA
  • Publication number: 20250027433
    Abstract: An installation structure for an air control device, the air control device being configured to control supply of secondary air from an air cleaner to an exhaust passage of an engine. A cylinder head is located above the engine. A cylinder head cover is installed on the cylinder head. A fuel tank is installed above the cylinder head cover. The air control device is installed on a lateral side of the cylinder head cover below the fuel tank.
    Type: Application
    Filed: May 31, 2024
    Publication date: January 23, 2025
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Shinichi YAMADA, Yuki RYU