UNITED MODULE CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 2136
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1100
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6337911 Deferred billing, broadcast, electronic document distribution system and methodMar 09, 98Jan 08, 02[H04K]
6294058 Enhanced methods and apparatus for producing micro-textured, thin film, magnetic disc media and compositely micro-textured disc media produced therebyJul 15, 94Sep 25, 01[C23C]
6139936 Discrete track media produced by underlayer laser ablationOct 09, 97Oct 31, 00[G11B]
5314745 Magnetic recording medium having a glass substrate, heat retaining non magnetic metal layer formed over the substrate, amorphous nip layer, Cr layer and magnetic layerAug 18, 92May 24, 94[G11B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6361859 Magnetic recording media having CrMo underlayersExpiredNov 20, 00Mar 26, 02[B32B]
6218033 Magnetic recording media having CrTiX underlayers to reduce circumferential/radial anisotropy and methods for their productionExpiredJan 08, 97Apr 17, 01[G11B]
6183860 Magnetic recording media having CrMo underlayersExpiredMay 04, 98Feb 06, 01[B32B]
5958543 Micro-texturing for sputtered, thin film magnetic media disks utilizing titanium sputtered in the presence of hydrogen to form micro-texturingExpiredJun 28, 96Sep 28, 99[G11B]
5851601 Method for controlling lubricant thickness on thin film, magnetic disk mediaExpiredAug 29, 97Dec 22, 98[B05D]
5789090 Metallic thin-film magnetic recording mediaExpiredAug 06, 96Aug 04, 98[G11B]
5774303 Sputter induced micro-texturing enhancement for magnetic head structuresExpiredMar 24, 95Jun 30, 98[G11B]
5726455 Disk film optical measurement systemExpiredMay 01, 96Mar 10, 98[G01N]
5723033 Discrete track media produced by underlayer laser ablationExpiredSep 06, 95Mar 03, 98[C23C, B05D]
5721033 Magnetic recording disc having a substrate, oxide layer, and a texture layer of discrete globules of Indium-Bismuth eutectic alloyExpiredJul 25, 96Feb 24, 98[G11B]
5718942 Thin film disc lubrication utilizing disparate lubricant solventExpiredJun 28, 96Feb 17, 98[B05D]
5700593 Metal thin film magnetic recording medium and manufacturing method thereofExpiredMar 07, 94Dec 23, 97[G11B]
5674582 Magnetic disk having enhanced zone lubricationExpiredDec 23, 94Oct 07, 97[G11B]
5620574 Method of fabricating sputter induced, micro-texturing of thin film, magnetic disc mediaExpiredAug 26, 94Apr 15, 97[C23C]
5482785 Magnetic recording medium having an intermediate layer comprising uniform size globules of Ag Sn peritectic alloyExpiredNov 29, 94Jan 09, 96[C23C]
5480733 Metal thin film magnetic recording mediumExpiredMar 11, 94Jan 02, 96[G11B, H01F, B32B]
5470447 Method for applying a protective coating on a magnetic recording headExpiredSep 29, 94Nov 28, 95[C23C]
5462796 Flash chromium interlayer for improved hard disk magnetic recording performanceExpiredMay 21, 92Oct 31, 95[B32B]
5421975 Method for enhancing the magnetic and roughness properties of thin film magnetic recording media and the resulting enhanced mediaExpiredOct 13, 92Jun 06, 95[C23C]
5082750 Magnetic recording medium of thin metal film typeExpiredOct 20, 89Jan 21, 92[G11B]

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