Patents by Inventor Yoshitaka Kunisada

Yoshitaka Kunisada 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: 7265068
    Abstract: Provided is a light-shielding sheet comprising a light-shielding material made of a white film having a light transmission of not more than 50% and a reinforcement made of a textile fabric or a nonwoven fabric. Preferred is a case where the white film is a film having therein voids formed through stretching of the film or a film having therein bubbles formed through foaming by use of a foaming agent, whereby a light-shielding sheet is provided which has a light weight, a high strength and a superior durability and which inhibits temperature increase caused by the heat resulting from sunlight absorption. The light-shielding sheet is employed suitably as a light-shielding material for agricultural use and horticultural use.
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: September 4, 2007
    Assignee: Hagihara Industries Inc.
    Inventors: Yoshitaka Kunisada, Takaaki Miyake
  • Publication number: 20040198126
    Abstract: Provided is a light-shielding sheet comprising a light-shielding material made of a white film having a light transmission of not more than 50% and a reinforcement made of a textile fabric or a nonwoven fabric. Preferred is a case where the white film is a film having therein voids formed through stretching of the film or a film having therein bubbles formed through foaming by use of a foaming agent, whereby a light-shielding sheet is provided which has a light weight, a high strength and a superior durability and which inhibits temperature increase caused by the heat resulting from sunlight absorption. The light-shielding sheet is employed suitably as a light-shielding material for agricultural use and horticultural use.
    Type: Application
    Filed: February 24, 2004
    Publication date: October 7, 2004
    Inventors: Yoshitaka Kunisada, Takaaki Miyake