Patents by Inventor Shuj MURAKAMI

Shuj MURAKAMI 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).

  • Publication number: 20230152151
    Abstract: Systems, methods, and structures for colorless distributed fiber optic sensing/distributed vibration sensing (DOFS/DVS) over dense wavelength division multiplexing (DWDM) telecommunications facilities that operate over a C-band wavelength range spanning from 1525 nm to 1565 nm wherein the DOFS/DVS systems exhibit suitable reconfigurability of its wavelength to match a wavelength of a desired testing channel and may advantageously provide DOFS/DVS capabilities to existing DWDM communications infrastructure as a retrofit.
    Type: Application
    Filed: November 15, 2022
    Publication date: May 18, 2023
    Applicant: NEC LABORATORIES AMERICA, INC
    Inventors: Yaowen LI, Jian FANG, Shuj MURAKAMI, Philip JI, Ting WANG