Patents by Inventor Keishi JOUZAKI

Keishi JOUZAKI 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).

  • Spark arrestor, muffler, and straddle type vehicle
    Patent number: 8978819
    Abstract: A spark arrestor mounted on a muffler connected to an exhaust pipe of an engine includes a cylindrical portion including an opening that extends therethrough from the outside to the inside thereof, two cap members that respectively close first and second ends of the cylindrical portion, a mesh portion that covers the opening, and a tail pipe extending from the inside to the outside of the cylindrical portion through the cap member, wherein the exhaust flows outside the cylindrical portion in a first direction, and a channel where the exhaust flows in a second direction opposite to the first direction is provided inside the cylindrical portion.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: March 17, 2015
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Hiroyuki Fujimoto, Kazuhiro Nishihara, Keishi Jouzaki
  • SPARK ARRESTOR, MUFFLER, AND STRADDLE TYPE VEHICLE
    Publication number: 20140360808
    Abstract: A spark arrestor mounted on a muffler connected to an exhaust pipe of an engine includes a cylindrical portion including an opening that extends therethrough from the outside to the inside thereof, two cap members that respectively close first and second ends of the cylindrical portion, a mesh portion that covers the opening, and a tail pipe extending from the inside to the outside of the cylindrical portion through the cap member, wherein the exhaust flows outside the cylindrical portion in a first direction, and a channel where the exhaust flows in a second direction opposite to the first direction is provided inside the cylindrical portion.
    Type: Application
    Filed: January 8, 2014
    Publication date: December 11, 2014
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Hiroyuki FUJIMOTO, Kazuhiro NISHIHARA, Keishi JOUZAKI