Patents by Inventor Jitsuo Migita

Jitsuo Migita 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).

  • Optical sensor with fiberless optical member
    Patent number: 5233177
    Abstract: An optical sensor has an optical block including a substrate, a light-emitting element formed on the substrate, and a light-receiving element formed on the substrate by using an adjusting member for arranging side-by-side with the light-emitting element, a light-transmitting member located between the optical block and an object, and connecting terminal optically connected to the light-emitting element and the light-receiving element. It is preferable that the light-transmitting member is separated into a plurality of light transmitting members in correspondence with areas separated on the object.
    Type: Grant
    Filed: December 3, 1991
    Date of Patent: August 3, 1993
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Takao Kobayashi, Yuichi Obara, Kenzo Kobayashi, Jitsuo Migita