Patents by Inventor Akitoshi Machida

Akitoshi Machida 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).

  • Ceramic structure and method for manufacturing the structure
    Patent number: 6426149
    Abstract: A ceramic structure where a gold foil or a platinum foil having a high purity is enclosed between a first layer made of a ceramic material fused at a medium temperature or a glass material (glass substance) and a second layer made of a ceramic material fused at a low temperature and/or a glaze material, or made of a glaze material or fritting glass material. Since such a ceramic structure is light in weight and has excellent durability, the final product can be preferably applied to fashion accessories, ornaments on artificial teeth.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: July 30, 2002
    Inventor: Akitoshi Machida