Patents by Inventor David Ishii

David Ishii 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).

  • Proprioceptive pitch trainer baseball
    Patent number: 6663519
    Abstract: A baseball pitching training device providing students of pitching with one or more tactile surfaces, preferably on the seam, thus providing the with tactile input for development of the students proprioceptive senses. In addition, finger placement indicia may be provided, preferably on the cover of the baseball, to indicate a proper finger placement orientation for one or more baseball pitches. The tactile surface(s) and finger placement indicia provide tactile stimuli and instruction for several different types of pitches for either right handed or left handed students.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: December 16, 2003
    Inventors: Timothy Kuhn, David Ishii
  • Proprioceptive pitch trainer baseball
    Publication number: 20030027671
    Abstract: A baseball pitching training device providing students of pitching with one or more tactile surfaces, preferably on the seam, thus providing the with tactile input for development of the students proprioceptive senses. In addition, finger placement indicia may be provided, preferably on the cover of the baseball, to indicate a proper finger placement orientation for one or more baseball pitches. The tactile surface(s) and finger placement indicia provide tactile stimuli and instruction for several different types of pitches for either right handed or left handed students.
    Type: Application
    Filed: June 11, 2002
    Publication date: February 6, 2003
    Inventors: Timothy Kuhn, David Ishii