Patents by Inventor Hisashi Ikemoto

Hisashi Ikemoto 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).

  • Patent number: 5752890
    Abstract: A ball for ball game comprising: a leather skin layer formed by sewing a plurality of leather panels by a thread, the leather skin layer having a spherical shape; and a bladder made of an elastomer having a hollow spherical shape, the bladder being accomodated in the leather skin layer, the bladder being provided with a valve for feeding air into the rubber bladder, the bladder being charged with air through the valve; wherein the thread is made of a self-shrink thread which is subjected to a shrinking treatment after sewing.
    Type: Grant
    Filed: September 8, 1997
    Date of Patent: May 19, 1998
    Assignee: Molten Corporation
    Inventors: Hideomi Shishido, Hisashi Ikemoto
  • Patent number: D365862
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: January 2, 1996
    Assignee: Kabushiki Kaisha Molten
    Inventors: Hideomi Shishido, Hisashi Ikemoto, Emi Hirata