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IRWIN MAGNETIC SYSTEMS INC

Overview
  • Total Patents
    55
About

IRWIN MAGNETIC SYSTEMS INC has a total of 55 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, Australia and Brazil. Its main competitors in its focus markets audio-visual technology are KYODO DENSHI SYSTEM KK, KOROMUBIA MAGUNE PURODAKUTSU K and LCV ASSOCIATES.

Patent filings in countries

World map showing IRWIN MAGNETIC SYSTEMS INCs patent filings in countries

Patent filings per year

Chart showing IRWIN MAGNETIC SYSTEMS INCs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Lum Francis 18
#2 Bolt Michael L 14
#3 Sokolik Edmund L 13
#4 Chambors John M 9
#5 Klumpp Marlin K 5
#6 Irwin Samuel N 5
#7 Henke Steven E 5
#8 Farkas Richard A 4
#9 Dakroub Housan 4
#10 Glass Edward N 4

Latest patents

Publication Filing date Title
IE892515L Removing data stream variations
EP0408808A1 Magnetic transducer head structure
IE892267L Servo system for positioning transducer heads
US5055951A Method and apparatus for servo-positioning movable transducer heads
US5050025A Lead screw and follower-type head positioner for data recorders
US5001584A Head-positioner arm for data recorders
US4954921A Magnetic transducer head structure with reduced leakage between core circuits
US5003408A Method and apparatus for removing data stream variations
BR8705266A Magnetic nucleus structure for transductive heads and magnetic flow transitions reading and recording process on magnetically recordable support
US4849841A Transducer head core structure with recessed magnetic closures
US4807067A Cartridge tape drive
US4819107A Magnetic transducer head structure
US4796110A System and method for encoding and storing digital information on magnetic tape
AU4262385A Magnetic transducer head structure
IE851065L Magnetic head for transducer head-digital
US4646175A Method and apparatus for positioning transducers by digital conversion of analog-type signals
US4647994A Miniaturized cartridge-type tape drive for data processors
US4586094A Method and apparatus for pre-recording tracking information on magnetic media
US4498129A Method and apparatus for normalizing servo-positioning signals
US4472750A Data record with pre-recorded transducer positioning signals, and system for utilizing same