Patents by Inventor Yoshihito Ooyama

Yoshihito Ooyama 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).

  • Motorcycle
    Patent number: 8091349
    Abstract: A silencer for a motorcycle with relaxed layout restrictions has a drum portion connected to a head. A conduit extends through the drum portion in a direction of connection. The drum portion decreases in cross sectional area toward a downstream side. A catalyst holding portion formed in the head has a catalyst fixed member to which a catalyst inserted member is fixed at a position upstream of the drum portion. A catalyst is inserted into the catalyst inserted member.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: January 10, 2012
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Motoki Sakurai, Tomonao Nakayama, Yoshihito Ooyama
  • Motorcycle
    Publication number: 20070295002
    Abstract: A silencer for a motorcycle with relaxed layout restrictions has a drum portion connected to a head. A conduit extends through the drum portion in a direction of connection. The drum portion decreases in cross sectional area toward a downstream side. A catalyst holding portion formed in the head has a catalyst fixed member to which a catalyst inserted member is fixed at a position upstream of the drum portion. A catalyst is inserted into the catalyst inserted member.
    Type: Application
    Filed: June 19, 2007
    Publication date: December 27, 2007
    Applicants: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Motoki SAKURAI, Tomonao NAKAYAMA, Yoshihito OOYAMA