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COLUMBIA BROADCASTING SYSTEMS

Overview
  • Total Patents
    16
About

COLUMBIA BROADCASTING SYSTEMS has a total of 16 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets audio-visual technology, computer technology and optics are TAKAHASHI SHUICHI, WARD JOSEPH and TENCENT MUSIC ENTERTAINMENT SHENZHEN CO LTD.

Patent filings in countries

World map showing COLUMBIA BROADCASTING SYSTEMSs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Germany 1
#3 United Kingdom 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Goldmark Peter C 2
#2 Evans Chauncey R 2
#3 Beiser Leo 2
#4 Bauer Benjamin B 2
#5 Mcmann Renville H Jr 2
#6 Henderson George R 1
#7 Rosenheck Allen J 1
#8 Praria Guy B 1
#9 Walker Robert 1
#10 Gabor Dennis 1

Latest patents

Publication Filing date Title
US3663083A Light directing device having an elliptical reflecting face
US3663735A Automatic on-off control
US3614193A Light scanning system utilizing diffraction optics
US3619468A Stringed musical instrument with piezoelectric transducer providing gate control and music signals
US3602329A Conformal ear enclosure
US3602646A Character contour edger
US3625585A Periodic scan magnification for laser beam deflection
US3562422A Recording apparatus utilizing plane of polarization modulator
US3594506A Loudness level indicator
US3571503A Method and apparatus for simultaneously recording on film time displaced segments of an electrical signal
GB1190913A Improvements in and relating to Picture Projection
US3354264A Recording apparatus and medium with discrete level modulation
US3142047A Memory plane
US3064187A Transconductance measurement