Patents by Inventor Shoji Arai

Shoji Arai 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).

  • Thermal printing head
    Patent number: 4168343
    Abstract: A thermal printing head having a substrate and a resistive element formed on the substrate wherein said resistive element is a thin layer which is composed of an electrically conducting material and an electrically insulating material. This thermal printing head has a high heat-resistivity, so that it may be used at a high temperature or for high speed printing.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: September 18, 1979
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shoji Arai, Keizaburo Kuramasu, Sumio Maekawa
  • Thermal printing head
    Patent number: 4096510
    Abstract: A semiconducting silicon device includes a semiconductor silicon substrate having a diffused layer and a silicon oxide film, a multi-layered electrode provided on the silicon oxide film and in contact with the diffused layer. The multi-layered electrode comprises Ti or Mo as first layer of electrode material and Ni as a second layer.
    Type: Grant
    Filed: August 3, 1977
    Date of Patent: June 20, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shoji Arai, Shige Kuninobu, Sumio Maekawa