Patents by Inventor Kazuhiro Yoshizumi

Kazuhiro Yoshizumi 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).

  • Oil pan structure and an engine therewith
    Patent number: 8061325
    Abstract: An oil pan structure includes a plurality of reinforcement beads of several kinds. An engine utilizes the oil pan, whereby the strength and vibration-rigidity (rigidity against vibration) of the oil pan and the engine are sufficiently enhanced so that a natural frequency of the oil pan and the engine therewith becomes adjustable through a selection as to the numbers, locations, and sizes of the beads.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: November 22, 2011
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Yuki Ishii, Kazuhiro Yoshizumi, Naoki Suganuma, Shinichiro Takahashi, Ryo Suzuki
  • Oil pan structure and an engine therewith
    Publication number: 20090145395
    Abstract: An oil pan structure includes a plurality of reinforcement beads of several kinds. An engine utilizes the oil pan, whereby the strength and vibration-rigidity (rigidity against vibration) of the oil pan and the engine are sufficiently enhanced so that a natural frequency of the oil pan and the engine therewith becomes adjustable through a selection as to the numbers, locations, and sizes of the beads.
    Type: Application
    Filed: October 29, 2008
    Publication date: June 11, 2009
    Inventors: Yuki Ishii, Kazuhiro Yoshizumi, Naoki Suganuma, Shinichiro Takahashi, Ryo Suzuki