Patents by Inventor Takejirou Takeda

Takejirou Takeda 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).

  • In-mold decorated illumination panel
    Patent number: 5227222
    Abstract: An in-mold decorated illumination panel including an indicator sheet, an ink printed layer formed on a back surface of the indicator sheet, the ink printed layer having a printed indicator portion, and a molded layer formed on a back surface of the ink printed layer by injection molding, wherein the printed indicator portion is illuminated from the back surface of the ink printed layer to effect indication of the printed indicator portion on a front surface of the indicator sheet. An ink dissolution preventing sheet is interposed between the ink printed layer and the molded layer for preventing ink of the printed indicator portion from being dissolved away by pressure of a molding material in the injection molding.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: July 13, 1993
    Assignee: Alps Electric Co., Ltd.
    Inventors: Yasuaki Ogawa, Yasushi Takeda, Akira Sakai, Takejirou Takeda, Akihiro Nakamura, Hiroyuki Miyaguchi