P

Inventor

XIA TIEJUN

US13 patents
⚠️ This page may combine multiple inventors who share the name “XIA TIEJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VERIZON PATENT & LICENSING INC

3 patents
US11901960B2Feb 13, 2024

System and method to prevent unauthorized voice detection via fiber links

VERIZON PATENT & LICENSING INC0 citations61
US11349577B2May 31, 2022

System and method to prevent unauthorized voice detection via fiber links

VERIZON PATENT & LICENSING INC0 citations61
US11018778B1May 25, 2021

System and method to prevent unauthorized voice detection via fiber links

VERIZON PATENT & LICENSING INC0 citations61

MCI WORLDCOM INC

2 patents
US6366728B1Apr 2, 2002

Composite optical fiber transmission line method

MCI WORLDCOM INC48 citations89
US6229606B1May 8, 2001

Method and apparatus for measuring PMD of a dispersion compensation grating

MCI WORLDCOM INC24 citations88

NEC LAB AMERICA INC

2 patents
US10931366B2Feb 23, 2021

Distributed sensing over optical fiber carrying live, high-speed data

NEC LAB AMERICA INC3 citations72
US11686602B2Jun 27, 2023

Method for providing a hybrid distributed fiber optic sensing system with improved connection to existing deployed fiber infrastructure

NEC LAB AMERICA INC0 citations51

WORLDCOM INC

1 patent
US6583903B1Jun 24, 2003

Method and system for controlling polarization mode dispersion

WORLDCOM INC69 citations94

UNIV MICHIGAN

1 patent
US6445848B1Sep 3, 2002

Soliton pulse transmission over long waveguide fiber lengths

UNIV MICHIGAN20 citations91

VERIZON BUSINESS GLOBAL LLC

1 patent
US7711267B2May 4, 2010

Remote management of central office operations

VERIZON BUSINESS GLOBAL LLC13 citations83

XIA TIEJUN

1 patent
US8401395B2Mar 19, 2013

Free space optics broadband home network

XIA TIEJUN6 citations79

EZCONN CORP

1 patent
US7023611B2Apr 4, 2006

Optical equalization with beam counter-propagation

EZCONN CORP7 citations72

CHORUM TECHNOLOGIES LP

1 patent
US6515786B1Feb 4, 2003

Bandwidth variable wavelength router and method of operation

CHORUM TECHNOLOGIES LP8 citations72