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HMT TECHNOLOGY CORP

Overview
  • Total Patents
    66
About

HMT TECHNOLOGY CORP has a total of 66 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets machines, audio-visual technology and surface technology and coating are STORMEDIA INC, TULIP MEMORY SYSTEMS INC and TRACE STORAGE TECHNOLOGY CORP.

Patent filings in countries

World map showing HMT TECHNOLOGY CORPs patent filings in countries

Patent filings per year

Chart showing HMT TECHNOLOGY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Russak Michael A 16
#2 Lal Brij B 16
#3 Lal Brij Bihari 16
#4 Eltoukhy Atef H 15
#5 Shinohara Tadashi 12
#6 Bourez Allen J 11
#7 Chao James L 9
#8 Harper Bruce M 8
#9 Yang Ming M 7
#10 Mehmandoust Yassin 6

Latest patents

Publication Filing date Title
US6358636B1 Thin overlayer for magnetic recording disk
US6274063B1 Metal polishing composition
US6063248A Process chamber isolation system in a deposition apparatus
US6303217B1 Longitudinal recording medium with a dual underlayer
US6146737A Magnetic recording medium having a nitrogen-containing barrier layer
US6210819B1 Magnetic recording media having a CrTi underlayer deposited under a substrate bias
US5978091A Laser-bump sensor method and apparatus
WO9819301A1 Apparatus for polishing planar substrates between rotating plates
US5849386A Magnetic recording medium having a prelayer
US5834731A Laser texturing apparatus with bernoulli holder
US5897798A Laser texturing apparatus employing a rotating mirror
US5922442A Magnetic recording medium having a CoCr alloy interlayer of a low saturation magnetization
US5810648A Device for texturing a disc substrate
US5685959A Cathode assembly having rotating magnetic-field shunt and method of making magnetic recording media
US5693199A Single chamber sputtering assembly
US5736020A Target assembly for use in forming an overcoat in a magnetic recording medium
US5714044A Method for forming a thin carbon overcoat in a magnetic recording medium
AU2998295A Lubricant composition and method
US5614071A Sputtering shield
US5520981A Magnetic recording disk with overcoat thickness gradient between a data zone and a landing zone