Patents by Inventor Manabu Shimoishi

Manabu Shimoishi 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: 8359835
    Abstract: An exhaust device for a vehicle, such as a motorcycle or scooter, includes an exhaust pipe and a muffler. A first end portion of the exhaust pipe is connectable to an engine of the vehicle. A second end portion of the exhaust pipe is located within the muffler. A secondary air induction pipe supplies air to the exhaust pipe and is connected to a portion of the exhaust pipe located within the muffler. Furthermore, at least the portion of the exhaust pipe to which the secondary air induction pipe is connected is linear. A purification tube member for purifying exhaust gas forms a portion of the second end portion of the exhaust pipe.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: January 29, 2013
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Hidehiro Nishimura, Hiromi Suzuki, Manabu Shimoishi
  • Patent number: 7931120
    Abstract: An exhaust device for a vehicle, such as a scooter type motorcycle, comprises an exhaust pipe and a muffler. A first end portion of the exhaust pipe is connectable to an engine of the vehicle. The muffler includes an outer wall defining an internal space of the muffler. A second end portion of the exhaust pipe is located within the internal space of the muffler. A secondary air induction pipe supplies air to the exhaust pipe and is connected to a portion of the exhaust pipe that is within the internal space of the muffler. The secondary air induction pipe extends to the outside of the muffler via a through hole that has an edge, at least a portion of which is defined by each of a first member and a second member of the muffler.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: April 26, 2011
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Hidehiro Nishimura, Hiromi Suzuki, Manabu Shimoishi
  • Patent number: 7810610
    Abstract: A muffler for a vehicle, such as a scooter type motorcycle, comprises an inner tubular member and an outer tubular member. An inner surface of the outer tubular member faces an outer surface of the inner tubular member. A ring shaped or annular member is positioned between the outer surface of the inner tubular member and the inner surface of the outer tubular member. The annular member has a substantially hollow cross section and is elastically deformable in a direction perpendicular to a longitudinal axis of the inner tubular member and the outer tubular member.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: October 12, 2010
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Hidehiro Nishimura, Hiromi Suzuki, Manabu Shimoishi
  • Publication number: 20070261907
    Abstract: A muffler for a vehicle, such as a scooter type motorcycle, comprises an inner tubular member and an outer tubular member. An inner surface of the outer tubular member faces an outer surface of the inner tubular member. A ring shaped or annular member is positioned between the outer surface of the inner tubular member and the inner surface of the outer tubular member. The annular member has a substantially hollow cross section and is elastically deformable in a direction perpendicular to a longitudinal axis of the inner tubular member and the outer tubular member.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 15, 2007
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Hidehiro Nishimura, Hiromi Suzuki, Manabu Shimoishi
  • Publication number: 20070256409
    Abstract: An exhaust device for a vehicle, such as a motorcycle or scooter, includes an exhaust pipe and a muffler. A first end portion of the exhaust pipe is connectable to an engine of the vehicle. A second end portion of the exhaust pipe is located within the muffler. A secondary air induction pipe supplies air to the exhaust pipe and is connected to a portion of the exhaust pipe located within the muffler. Furthermore, at least the portion of the exhaust pipe to which the secondary air induction pipe is connected is linear. A purification tube member for purifying exhaust gas forms a portion of the second end portion of the exhaust pipe.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 8, 2007
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Hidehiro Nishimura, Hiromi Suzuki, Manabu Shimoishi
  • Publication number: 20070251761
    Abstract: An exhaust device for a vehicle, such as a scooter type motorcycle, comprises an exhaust pipe and a muffler. A first end portion of the exhaust pipe is connectable to an engine of the vehicle. The muffler includes an outer wall defining an internal space of the muffler. A second end portion of the exhaust pipe is located within the internal space of the muffler. A secondary air induction pipe supplies air to the exhaust pipe and is connected to a portion of the exhaust pipe that is within the internal space of the muffler. The secondary air induction pipe extends to the outside of the muffler via a through hole that has an edge, at least a portion of which is defined by each of a first member and a second member of the muffler.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 1, 2007
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Hidehiro Nishimura, Hiromi Suzuki, Manabu Shimoishi