Patents by Inventor Jinhe Qiu

Jinhe Qiu 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 Wavelength Multiplexer and Demultiplexer
    Publication number: 20170117981
    Abstract: An optical wavelength multiplexer/demultiplexer is disclosed to use double reflections on the same filter twice through help of a mirror to enhance the reflection channel isolation without comprising optical performance. It employs only one filter and one mirror on a support substrate. The optical wavelength multiplexer/demultiplexer offers a smaller size than a conventional one and lower cost of manufacturing.
    Type: Application
    Filed: October 23, 2015
    Publication date: April 27, 2017
    Inventors: Jinghui Li, Jinhe Qiu, Qiang Zhou, Yaozhong Lin, Wen Lu