Patents by Inventor Kentaro Matsuo

Kentaro Matsuo 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).

  • Two-stroke internal combustion engine
    Patent number: 6223705
    Abstract: A two-stroke internal combustion engine having a Schnürle scavenging system includes a pair of first scavenging ports and a pair of second scavenging ports. An inner horizontal scavenging angle formed close to an exhaust port and an outer horizontal scavenging angle formed remote from the exhaust port by a pair of scavenging flows blown out of the pair of the first scavenging ports are both set to an angle in the range of from 116 to 124 degrees. An inner horizontal scavenging angle formed close to the exhaust port and an outer horizontal scavenging angle formed remote from the exhaust port by a pair of scavenging flows blown out of the pair of the second scavenging ports are set to angles in the ranges of from 126 to 134 degrees and from 146 to 154 degrees, respectively.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: May 1, 2001
    Assignee: Kioritz Corporation
    Inventors: Shigeru Sato, Masakuni Hiroshima, Mitsujiro Mochizuka, Kentaro Matsuo