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LOEWE OPTA AG

Overview
  • Total Patents
    549
About

LOEWE OPTA AG has a total of 549 patent applications. Its first patent ever was published in 1935. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and basic communication technologies are TANAKA KEIICHI, VICTOR COMPANY OF JAPAN and FUJI TELECASTING CO LTD.

Patent filings in countries

World map showing LOEWE OPTA AGs patent filings in countries
# Country Total Patents
#1 Germany 330
#2 United Kingdom 100
#3 France 77
#4 United States 25
#5 Belgium 8
#6 Switzerland 6
#7 Canada 2
#8 Sweden 1

Patent filings per year

Chart showing LOEWE OPTA AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hesse Herbert 21
#2 Reger Heinrich 18
#3 Roepke Willi 16
#4 Egerer Karl Alexander Dr 16
#5 Faust Otto 14
#6 Frank Egon 14
#7 Holland Wolfgang 13
#8 Schmidt Walter 12
#9 Hensel Bernhard 12
#10 Golle Horst 11

Latest patents

Publication Filing date Title
GB1098436A Magnetic tape cartridge for a sound recording and reproducing apparatus
GB1113515A Method for magnetic recording and reproducing of high-frequency signals,in particular television picture signals as well as sound and/or synchronization signals
GB1126526A Delay line circuit for colour television receivers
GB1130328A Stabilised power supply for transistorised high-frequency receiving sets, particularly television or radio receivers
GB1140571A Transistorised line time base circuit including phase-frequency comparator arrangement for television receivers
GB1132735A Photographic camera
GB1060948A Function selector switch device for magnetic sound recorder
GB1127612A Electronic flashgun for photographic purposes
GB1066518A Device for magnetic recording of high-frequency signals
GB1060339A Device for subsequently applying an additional recording to a primary recording
GB1110037A Short-circuit-proof transistor stabilization circuit arrangement
GB1055950A Coupling device
GB1066118A Arrangement for measuring television antenna voltages
DE1215247B Stabilized power supply unit with automatic battery charger
GB991076A Dc-motor with centrifugal switch
GB991071A Speed stabilization for d.c. motors, more particularly for phonograph recorders
GB979146A Drive and control system for portable magnetic tape recorders
GB974209A Magnetic recording and reproducing television signals
US3239741A Control system for a.c. motors
GB1013884A Circuit arrangement for testing the batteries incorporated in electronic flash units