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QUELLAN INC

Overview
  • Total Patents
    75
About

QUELLAN INC has a total of 75 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Republic of Korea. Its main competitors in its focus markets telecommunications, digital networks and basic communication technologies are MARVELL HISPANIA SL, D S P C ISRAEL LTD and HOWARD STEVEN J.

Patent filings per year

Chart showing QUELLAN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kim Andrew Joo 41
#2 Vrazel Michael G 20
#3 Hietala Vincent Mark 19
#4 Gebara Edward 18
#5 Laskar Joy 15
#6 Ralph Stephen E 13
#7 Bajekal Sanjay 13
#8 Tentzeris Emmanouil M 10
#9 Jung Sungyong 9
#10 Schmukler Bruce C 9

Latest patents

Publication Filing date Title
KR20100118933A Duplexer and switch enhancement
CN102100011A Pre-configuration and control of radio frequency noise cancellation
US2010244943A1 Filter shaping using a signal cancellation function
US2010074315A1 Noise sampling detectors
US2007222654A1 Increasing data throughput in optical fiber transmission systems
WO2007025040A2 Method and system for signal emulation
US2007064923A1 Method and system for signal emulation
US2007060059A1 Method and system for automatic control in an interference cancellation device
US2006178157A1 Method and system for reducing signal interference
WO2006065883A2 Method and system for reducing signal interference
US2005180520A1 Method and system for slicing a communication signal
KR20060123350A Method and system for antenna interference cancellation
US2005030884A1 Method and system for crosstalk cancellation
WO2004088857A2 Method and system for equalizing communication signals
AU2003287628A1 High-speed analog-to-digital conversion with improved robustness to timing uncertainty
AU2003256569A1 Adaptive noise filtering and equalization
WO03092237A1 Combined ask/dpsk modulation system
WO03077423A2 High speed analog-to-digital converter using a unique gray code having minimal bit transitions
AU2003211094A1 Multi-level signal clock recovery technique
US2003030873A1 High-speed adjustable multilevel light modulation