Patents by Inventor Tomohisa Matsumoto

Tomohisa Matsumoto 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).

  • OUTBOARD MOTOR AND MARINE VESSEL
    Publication number: 20220194541
    Abstract: An outboard motor includes an outboard motor body including a propulsion generator and an engine to drive the propulsion generator, a pair of clamp brackets, a swivel bracket provided between the pair of clamp brackets and rotatable in an upward-downward direction with respect to the pair of clamp brackets while supporting the outboard motor body, and an electrical wiring extending from a position between the pair of clamp brackets upward to the outboard motor body through the swivel bracket and connected to the outboard motor body.
    Type: Application
    Filed: November 15, 2021
    Publication date: June 23, 2022
    Inventors: Daijyu NAGAI, Sadao OJIKA, Masaki URANO, Tomohisa MATSUMOTO, Tomohiro HAGI
  • Gasket
    Patent number: 7938406
    Abstract: A first gasket 10 is placed in a groove formed in a cam cover and seals a gap between a cylinder head and the cam cover. The first gasket 10 includes a pair of seal lips 13 which come into tight contact with the cylinder head and which are provided in parallel to each other, and a plurality of connecting portions 15 which are provided between the pair of seal lips 13, which are connected to each of the seal lips 13, and which hold a distance between the seal lips 13 near the connected portion.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: May 10, 2011
    Assignee: NOK Corporation
    Inventors: Tomohisa Matsumoto, Takashi Nakao, Shuji Yoshitsune, Kazuki Takeno
  • Gasket
    Publication number: 20090115138
    Abstract: A first gasket 10 is placed in a groove formed in a cam cover and seals a gap between a cylinder head and the cam cover. The first gasket 10 includes a pair of seal lips 13 which come into tight contact with the cylinder head and which are provided in parallel to each other, and a plurality of connecting portions 15 which are provided between the pair of seal lips 13, which are connected to each of the seal lips 13, and which hold a distance between the seal lips 13 near the connected portion.
    Type: Application
    Filed: July 5, 2006
    Publication date: May 7, 2009
    Applicant: NOK Corporation
    Inventors: Tomohisa Matsumoto, Takashi Nakao, Shuji Yoshitsune, Kazuki Takeno
  • Synchronous motor
    Patent number: 4095130
    Abstract: A stator has a pair of magnetic pole portions, and a rotor having N- and S-poles is disposed between the two magnetic portions. Each magnetic pole portion of the stator has two static magnetic poles and a cut-away portion or indent formed therebetween. The stator is quadripolar statically, and bipolar dynamically.
    Type: Grant
    Filed: September 16, 1976
    Date of Patent: June 13, 1978
    Assignee: Kabushiki Kaisha Seikosha
    Inventors: Kenji Oshima, Tomohisa Matsumoto, Hiroshi Yamazaki, Tamotsu Yoshioka