Patents by Inventor Suiya Hoshikawa

Suiya Hoshikawa 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).

  • Thermopile
    Patent number: 5045123
    Abstract: Disclosed is a thermopile improved in its measurement sensitivity and manufacturing cost, which comprises a pillar-shaped substrate having a side extending in the parallel direction to an incident light to be measured so as not to be irradiated with the incident light, and first and second thermoelectric material layers arranged alternately on the side of the pillar-shaped substrate along the extending direction of the side of said pillar-shaped substrate.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: September 3, 1991
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takao Hattori, Suiya Hoshikawa, Tatsuya Tsuda