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KOROBUK LTD S

Overview
  • Total Patents
    13
About

KOROBUK LTD S has a total of 13 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets audio-visual technology and mechanical elements are KAWACHI KAZUO, RI EL RICERCHE ELETTRONICHE SR and L2 DRIVE LLC.

Patent filings in countries

World map showing KOROBUK LTD Ss patent filings in countries
# Country Total Patents
#1 United Kingdom 10
#2 United States 2
#3 Germany 1

Patent filings per year

Chart showing KOROBUK LTD Ss patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology
#2 Mechanical elements

Focus technologies

# Technology
#1 Special information storage
#2 Gearing

Top inventors

# Name Total Patents
#1 Draper Albert Eric 7
#2 Moore Eric Albert 4
#3 Draper Albert E 2

Latest patents

Publication Filing date Title
US3447808A Sound reproducing apparatus
US3468547A Automatic sound reproducing apparatus
GB1133953A Improvements in or relating to sound reproducing apparatus
GB1082753A Improvements in or relating to sound reproducing apparatus
GB1079334A Improvements in or relating to sound reproducing apparatus
GB1080921A Improvements in or relating to automatic sound reproducing apparatus
GB1025246A Improvements in or relating to sound reproducing apparatus
GB1025005A Improvements in or relating to sound reproducing apparatus
GB838664A Improvements in tape recorders incorporating change speed devices
GB822463A Improvements in or relating to control mechanism for magnetic sound recording and reproducing apparatus
GB842694A Improvements in or relating to feeding mechanism for the recording medium of magnetic sound-recording apparatus
GB827175A Improvements in or relating to magnetic sound-recording apparatus using tape or wire