Patents by Inventor Yuichi Shigechika

Yuichi Shigechika 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: 5776395
    Abstract: This details a production method for a blade for electrophotographic devices, made of thermosetting type polyurethane, including the steps of mixing and stirring the liquid polyurethane prepolymer which is a raw material component for a thermosetting type polyurethane polymer and the liquid crosslinking agent, discharging the mixture thereof into a die having a concave cross section in a molding drum, heating it via an endless belt which is in contact with the outer peripheral face of the molding drum and runs with the rotation of the drum 20 to continuously mold a banded blade molding S having a prescribed width, and cutting the blade molding to a prescribed length after cooling it down.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: July 7, 1998
    Assignee: Bando Kagaku Kabushiki Kaisha
    Inventors: Yoshinori Fujiwara, Takeshi Noda, Yuichi Shigechika, Toshiharu Taniguchi, Arata Tani