Patents by Inventor Takeshi Ishmaru

Takeshi Ishmaru 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: 8147939
    Abstract: The present invention provides an artificial grass granulated infill excellent in productivity, workability, and recyclability, and an artificial grass structure using the same. A hollow cylindrical granulated infill 5 which has a height h of 3.0 mm or less and an outside diameter of 3.0 mm or less and satisfies the condition: ?2/?1=0.40 to 0.85, where ?1 presents the outside diameter and ?2 represents the inside diameter, is made from a material comprising a synthetic resin having a hardness of 60 or more in accordance with JIS-K6253 type A.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: April 3, 2012
    Assignee: Sumitomo Rubber Industries Ltd.
    Inventors: Takashi Horio, Hideyuki Okuyama, Takeshi Ishmaru, Yoshimichi Tanaka
  • Publication number: 20090286018
    Abstract: The present invention provides an artificial grass granulated infill excellent in productivity, workability, and recyclability, and an artificial grass structure using the same. The artificial grass granulated infill is made from a material comprising a synthetic resin having a hardness of 60 or more in accordance with type A, and is formed so that the void 51 accounts for 10 to 75% of the total volume (the sum of the volume of the portion in which the material is present and the volume of the void).
    Type: Application
    Filed: April 14, 2009
    Publication date: November 19, 2009
    Inventors: Takashi HORIO, Hideyuki OKUYAMA, Takeshi ISHMARU, Yoshimichi TANAKA
  • Publication number: 20090286017
    Abstract: The present invention provides an artificial grass granulated infill excellent in productivity, workability, and recyclability, and an artificial grass structure using the same. A hollow cylindrical granulated infill 5 which has a height h of mm or less and an outside diameter of 3.0 mm or less and satisfies the condition: ?2/?1=0.40 to 0.85, where ?1 presents the outside diameter and ?2 represents the inside diameter, is made from a material comprising a synthetic resin having a hardness of 60 or more in accordance with JIS-K6253 type A.
    Type: Application
    Filed: April 14, 2009
    Publication date: November 19, 2009
    Inventors: Takashi HORIO, Hideyuki OKUYAMA, Takeshi ISHMARU, Yoshimichi TANAKA