Patents by Inventor Shoji Usuda

Shoji Usuda 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).

  • Light-emitting or receiving device and method for preparing the same
    Patent number: 5126826
    Abstract: A light-emitting or receiving device comprising a light-emitting or receiving element coated with a silicone resin composition and an encapsulating means for encapsulating said light-emitting or receiving element, said encapsulating means comprising a polymer of a monomer, an oligomer or a mixture thereof comprising a diallyl compound. The device has improved weatherability, chemical resistance, hardness, optical properties such as transparency, and moisture resistance.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: June 30, 1992
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Kakutaro Kauchi, Toru Tomoshige, Shoji Usuda, Hideyuki Kitayama, Toshikazu Takagi
  • Light-emitting or receiving device with smooth and hard encapsulant resin
    Patent number: 5101264
    Abstract: There is provided a light-emitting or receiving device having improved weatherability, chemical resistance, hardness, and optical properties, wherein a light-emitting or receiving element is encapsulated with a polymer of a polymerizable liquid composition comprising (a) a monomer or an oligomer or a mixture thereof containing a diallyl compound as an essential ingredient.There is also provided an encapsulant and a method for encapsulating a light-emitting or receiving element.
    Type: Grant
    Filed: March 28, 1989
    Date of Patent: March 31, 1992
    Assignees: Mitsui Petrochemical Ind., IDEC Izumi Corp.
    Inventors: Kakutaro Kauchi, Toru Tomoshige, Shoji Usuda, Hideyuki Kitayama