Patents by Inventor Masaya Hijikihigawa

Masaya Hijikihigawa 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).

  • Sensor device
    Patent number: 5140393
    Abstract: A sensor device comprising a substrate and a sensor formed on thereof which is made of a metal, metallic oxide, semiconductor, dielectric or organic material, the sensor having projections or indentations formed on or in its surface with optional predetermined shape and dimensions; which is useful as a chemical sensor, biosensor or physical sensor device of improved performance and function.
    Type: Grant
    Filed: September 5, 1990
    Date of Patent: August 18, 1992
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaya Hijikihigawa, Shoei Kataoka