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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 12 | |
#2 | United States | 4 | |
#3 | EPO (European Patent Office) | 3 | |
#4 | WIPO (World Intellectual Property Organization) | 2 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Special information storage | |
#2 | Dynamo-electric machines | |
#3 | Electric motor controls |
# | 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 |
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 |