Learn more

COLUMBIA BROADCASTING SYST INC

Overview
  • Total Patents
    630
About

COLUMBIA BROADCASTING SYST INC has a total of 630 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets audio-visual technology, consumer goods and electrical machinery and energy are FERNSEH GES MIT BESCHRAENKTER, FERNSEH GMBH and NISHIZAWA MANABU.

Patent filings in countries

World map showing COLUMBIA BROADCASTING SYST INCs patent filings in countries
# Country Total Patents
#1 United States 324
#2 Germany 66
#3 United Kingdom 62
#4 Canada 54
#5 France 37
#6 Spain 20
#7 Switzerland 18
#8 Belgium 14
#9 Israel 10
#10 Australia 7
#11 Italy 6
#12 Sweden 6
#13 Austria 3
#14 Netherlands 2
#15 Japan 1

Patent filings per year

Chart showing COLUMBIA BROADCASTING SYST INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Goldmark Peter C 87
#2 Bauer Benjamin B 34
#3 Hollywood John M 20
#4 Goldberg Abraham A 19
#5 Mcmann Renville H Jr 17
#6 Gabor Dennis 17
#7 Bachman William S 12
#8 Bauer B 12
#9 Bauer B B 10
#10 Christensen John W 9

Latest patents

Publication Filing date Title
US3875338A Decoder matrix for quadraphonic sound systems
US3869583A Quadruphonic disc recording system utilizing single sideband modulation
GB1449897A System for the reproduction of scanning of information recorded on a record medium
US3867863A Toy drum
US3882271A Display using array of charge storage devices
US3881236A Method of providing ball ends on guitar strings
US3846888A Apparatus for providing ball ends on guitar strings
US3829607A Single tube color camera system and method
CH578902A5 Forming metal string ball end - by laterally folding and longitudinally compressing metal element around string end
US3869566A Pulse-width-modulated converter for television system
US3854005A Film stabilizing system for electron beam recorder
US3835255A Matrix decoders for quadraphonic sound system
US3832799A Amusement device for a crib or the like
FR2213723A5 Forming metal string ball end - by laterally folding and longitudinally compressing metal element around string end
CA944281A Stereo-quadraphonic disc record
US3877777A Beam expander subsystem for film scanner
DE2264786A1 Electric piano with vibrating tines - has block with neoprene tip to strike steel/tine obliquely
DE2254569A1 ELECTRIC PIANO AND METHOD OF SOUND GENERATION
US3856987A Horizontal stabilizing system for film scanner
US3809806A Banding correction system for film recording apparatus