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KEF AUDIO UK LTD

Overview
  • Total Patents
    15
About

KEF AUDIO UK LTD has a total of 15 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology are JAMO HI FI AS, SOUNDFUN CO LTD and ZORZO CO LTD.

Patent filings in countries

World map showing KEF AUDIO UK LTDs patent filings in countries
# Country Total Patents
#1 United States 4
#2 Canada 2
#3 EPO (European Patent Office) 2
#4 United Kingdom 2
#5 Australia 1
#6 Hong Kong 1
#7 Japan 1
#8 Norway 1
#9 Singapore 1

Patent filings per year

Chart showing KEF AUDIO UK LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology

Focus technologies

# Technology
#1 Loudspeakers and microphones

Top inventors

# Name Total Patents
#1 Anthony Philip Jeffrey 8
#2 Cecconi Enrico 6
#3 Fincham Lawrence Reginald 3
#4 Fincham Lawrence R 2
#5 Wright Julian Roger 2

Latest patents

Publication Filing date Title
CA2352732A1 Compound loudspeaker drive unit having a magnet system
US6792127B1 Elliptical dome for high frequency transducer
GB9516997D0 Loudspeaker drive unit diaphragm compliant surround
US5548657A Compound loudspeaker drive unit
SG114393G Loudspeaker
GB9220025D0 Loudspeaker drive unit