Patents Assigned to Daiwa Company, Ltd.
  • Patent number: 5160775
    Abstract: This invention relates to an antistatic mat, for example, a chair mat used for computer operation, a floor mat to be used at a room door, in an elevator or in front of an elevator door, and a car floor mat, and more particularly relates to an antistatic mat which is capable of instantly discharging the static electricity charged on a human body, removing a disagreeable sensation which is occasionally generated by the discharging of the static electricity.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: November 3, 1992
    Assignee: Daiwa Company, Ltd.
    Inventor: Kohei Yamada
  • Patent number: 4904430
    Abstract: A method for backing up vehicle mat comprising the steps of: applying the sol resin to a metal mold which is capable of being heated or cooled; filling the resin applied to the metal mold by degasificating the air in the resin applied to the metal mold; heating the bottom surface of the metal mold to obtain semi-gel condition of the resin; pressurizing the semi-gel resin with the fabric mat by pulling four corners of the fabric mat to exert tension stress over the entire surface of the fabric mat; cooling the bottom surface of the metal mold to obtain complete rubber like gel condition of resin after heat is applied directly to the bottom surface of the metal mold so that resin is completely bonded to the fabric mat; and removing the vehicle mat finished to be backed up from the metal mold.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: February 27, 1990
    Assignee: Daiwa Company, Ltd.
    Inventor: Kohei Yamada