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GRAHAM MAGNETICS INC

Overview
  • Total Patents
    110
About

GRAHAM MAGNETICS INC has a total of 110 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets materials and metallurgy, machines and audio-visual technology are TDK ELECTRONICS CO LTD, TAKAHASHI MIGAKU and CD3 STORAGE SYSTEMS INC.

Patent filings in countries

World map showing GRAHAM MAGNETICS INCs patent filings in countries

Patent filings per year

Chart showing GRAHAM MAGNETICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Deffeyes Robert J 30
#2 Tyler Wesley R 8
#3 Reti A 7
#4 Ehrreich J 7
#5 Armstrong Harris W 7
#6 Manly William A 5
#7 Johnson Grover L 4
#8 Reti A R 4
#9 Ehrreich J E 4
#10 Ehrreich John E 3

Latest patents

Publication Filing date Title
US4770951A Magnetic flexible disks
US4548840A High speed coating
US4605835A Forming terminations of MLC capacitors
US4494878A Fastener-free baffle assembly system
US4631479A Error locator for high-speed inspection of magnetic tape
US4541579A Slitter, wind-up clutch assemblies
US4416702A Tape cartridge cleaner
US4447274A Conductor powders
US4400846A Tape cleaning apparatus
US4463030A Process for forming novel silver powder composition
US4333966A Method of forming a conductive metal pattern
US4312898A Process for making magnetic tape
US4312896A Novel soldering process comprising coating a dielectric substrate with electroconductive metal protected by nickel carbide
US4290821A Tape cartridge strap cleaning method
US4267206A Process of making high-temperature magnetic tape
US4289534A Metal powder paint composition
US4371742A EMI-Suppression from transmission lines
US4268302A Method of producing acicular metal crystals
US4251275A Low-viscosity, high-silver, paint
US4347165A Conductor powders