Patents by Inventor Johnathan A. Maine

Johnathan A. Maine 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).

  • Asymmetric fibre optic couplers and their fabrication
    Patent number: 5015058
    Abstract: An asymmetric multi-mode fibre optic coupler is assembled from two or more multi-mode optical fibres of different core and cladding diameters but substantially equal cladding refractive indices. The fibres are selected so as to have substantially equal effective refractive indices for their respective highest-order cladding modes, at least in the fabricated coupler.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: May 14, 1991
    Assignee: The Commonwealth of Australia
    Inventors: David A. Thorncraft, Peter R. A. Lyons, Scott C. Rashleigh, Johnathan A. Maine, John D. Love