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M4 DATA LTD

Overview
  • Total Patents
    21
About

M4 DATA LTD has a total of 21 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United Kingdom, United States and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology and electrical machinery and energy are ATASI CORP, GARRARD ENGINEERING LTD and KUDELSKI S.

Patent filings per year

Chart showing M4 DATA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Donkin Charles William 9
#2 Elliott Robert Vernon 7
#3 Boyce Leslie Graham 6
#4 Gordon Norman 5
#5 Hext Brian Kenneth 4
#6 Farr Edward 4
#7 Ebenezer Duke Rollo 4
#8 Corbett Aubrey Edward 4
#9 Elliott Robert V 3
#10 Corbett Aubrey E 1

Latest patents

Publication Filing date Title
GB0111638D0 Data storage
GB0102810D0 Data storage
GB9607829D0 Autoloader apparatus
GB9422808D0 Autoloader apparatus
GB9313496D0 Tape drive machines
GB9313518D0 Tape drive machine with tape cartridge magazine
GB9220568D0 Tape drive machine with tape cartridge magazine
GB9126792D0 Auto-loading of tape cartridges
US5227935A Tape drive having a selectively retractable drive hub
GB8810461D0 Electric motors