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ROSUM CORP

Overview
  • Total Patents
    88
About

ROSUM CORP has a total of 88 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 Australia. Its main competitors in its focus markets measurement, audio-visual technology and furniture and games are MAISHI ELECTRONIC SHANGHAI CO LTD, CONTINENTAL ADVANCED LIDAR SOLUTIONS US LLC and TRIPLE IN HOLDING AG.

Patent filings per year

Chart showing ROSUM CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rabinowitz Matthew 59
#2 Spilker James J Jr 30
#3 Spilker Jr James J 23
#4 Omura Jimmy K 22
#5 Pierce Matthew D 21
#6 Opshaug Guttorm 6
#7 Burgess David 5
#8 Matthew Rabinowitz 5
#9 Spilker James J 4
#10 Furman Scott 4

Latest patents

Publication Filing date Title
US7792156B1 ATSC transmitter identifier signaling
US2009070847A1 Positioning with Time Sliced Single Frequency Networks
US7737893B1 Positioning in a single-frequency network
WO2009105054A1 Location identification using broadcast wireless signal signatures
US2007131079A1 Wide-lane pseudorange measurements using FM signals
US2007182633A1 Monitor units for television signals
US2007296632A1 Psuedo television transmitters for position location
US2006064725A1 Pilot acquisition and local clock calibration with reduced MIPS
US2006061691A1 Rapid acquisition and correlation of synchronization codes for mobile devices with limited memory and computational power
US6963306B2 Position location and data transmission using pseudo digital television transmitters
WO2004077813A2 Location and data transmission using television transmitters
WO2004064374A2 Clock recovery for the digital television signal
US6859173B2 Position location using broadcast television signals and mobile telephone signals
US2004165066A1 Method and system for generating reference signals with improved correlation characteristics for accurate time of arrival or position determination
AU2003299753A1 Position location using digital audio broadcast signals
US7042396B2 Position location using digital audio broadcast signals
US6970132B2 Targeted data transmission and location services using digital television signaling
AU2003283977A8 Transmission and location services using television signaling
US6914560B2 Position location using broadcast digital television signals comprising pseudonoise sequences
AU2003270608A8 Position location using broadcast digital television signals