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DAHLFORT STEFAN

Overview
  • Total Patents
    14
About

DAHLFORT STEFAN has a total of 14 patent applications. Its first patent ever was published in 2008. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications, digital networks and optics are OPVISTA INC, BROADWING CORP and CELION NETWORKS INC.

Patent filings in countries

World map showing DAHLFORT STEFANs patent filings in countries
# Country Total Patents
#1 United States 14

Patent filings per year

Chart showing DAHLFORT STEFANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dahlfort Stefan 14
#2 Xia Ming 3
#3 Hood David 2
#4 Laraqui Kim 2
#5 Ceccarelli Daniele 2
#6 Tartaglia Antonio 1
#7 Mickelsson Hans 1
#8 In De Betou Einar Jan Vilhelm 1
#9 Öhlén Peter 1
#10 Gustafsson Kåre 1

Latest patents

Publication Filing date Title
US2014133844A1 Sequence-based link fault localization
US2014193148A1 Node and method for iterative improvement of spectral use
US2013322883A1 Resilience in an access subnetwork ring
US2014205296A1 Method for split spectrum signalling in an optical network
US2013243416A1 Optical network architecture for transporting wdm traffic
US2013089336A1 Apparatus for communicating a plurality of antenna signals at different optical wavelengths
US2012315040A1 Method for fast wavelength division multiplexing (WDM) passive optical network (PON) initialization in heterogeneous networks
US2012201542A1 Method and device for fiber access physical layer unbundling using multiple uplink cards
US2012195599A1 System, laser-on-CMOS chip, and method for setting a wavelength to be used by the laser-on-CMOS chip
US2012008958A1 Method and devices for automatic tuning in WDM-PON
US2011091153A1 Device, system and method for optical fiber networks