Patents by Inventor Tomonari Nanbu

Tomonari Nanbu 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 head
    Patent number: 6201558
    Abstract: A thermal head includes a heat dissipating substrate, a heat-insulating layer formed thereon, a common lead layer formed thereon, an insulating interlayer formed thereon, a plurality of heating elements provided on the insulating interlayer, a common electrode connected to one end of each heating element, and a plurality of discrete electrodes connected to the other ends of the heating elements. The heating elements are connected to each other via the common electrode, and the common electrode is electrically connected to the common lead layer through a contact hole provided in the insulating interlayer. The common lead layer includes a thin region below the heating elements and a thick region.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: March 13, 2001
    Assignee: Alps Electric Co., Ltd.
    Inventors: Takashi Shirakawa, Toshifumi Nakatani, Shuuichi Usami, Satoru Sasaki, Tomonari Nanbu, Hirotoshi Terao