PATRENELLA CAPITAL LTD., LLC

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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 10128
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5864452 Thin-film magnetic head and method of forming carbon filmApr 02, 97Jan 26, 99[G11B]
5739991 Composite thin film head having magnetoresistive and inductive head portions with nonmagnetic thin film interposed between core and shield portions of core layerDec 09, 96Apr 14, 98[G11B]
5699213 Magnetoresistive head having a magnetic domain control layerApr 29, 96Dec 16, 97[G11B, G01R]
5620784 Magnetoresistive filmAug 03, 95Apr 15, 97[H01F]
5609971 Thin film magnetic headJun 24, 94Mar 11, 97[G11B, B32B]
5585198 Magnetorsistance effect elementOct 20, 94Dec 17, 96[G11B, B32B]
5510941 Magneto-resistive type magnetic head with a shunt layer of molybdenumApr 13, 94Apr 23, 96[G11B]
5278716 Magnetic head with suppressed generation of pseudogapNov 12, 92Jan 11, 94[G11B]
5195004 Method of manufacturing a magnetic core halfJan 21, 92Mar 16, 93[G11B]
5146671 Method of manufacturing floating type magnetic headAug 30, 91Sep 15, 92[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7733681 Ferroelectric memory with amplification between sub bit-line and main bit-lineExpiredApr 24, 07Jun 08, 10[G11C]
7440307 MemoryExpiredOct 23, 06Oct 21, 08[G11C]
2006/0067,139 MemoryAbandonedNov 18, 05Mar 30, 06[G11C]
7016217 MemoryExpiredMar 05, 04Mar 21, 06[G11C]
2005/0052,914 Semiconductor memory deviceAbandonedSep 02, 04Mar 10, 05[G11C]
6826130 Magneto-optic disk device and method of positioning magnetic head of the deviceExpiredDec 18, 02Nov 30, 04[G11B]
6816398 Memory deviceExpiredDec 03, 02Nov 09, 04[G11C]
6590836 Magneto optical recording medium capable of preventing a reproduction layer from having a degraded characteristicExpiredSep 25, 00Jul 08, 03[G11B]
6538670 Pointing methodExpiredJan 20, 00Mar 25, 03[G09G]
6531961 Antitheft systemExpiredApr 02, 01Mar 11, 03[G08B]
6532196 Magneto-optical recording medium comprising recording layer and reproducing layerExpiredJan 09, 02Mar 11, 03[G11B]
6501707 Method and apparatus for recording with a magneto-optical recording medium applying one period of an alternating magnetic field to a unit domain lengthExpiredJan 21, 99Dec 31, 02[G11B]
6400656 Magneto-optical recording medium comprising recording layer and reproducing layerExpiredSep 25, 98Jun 04, 02[G11B]
6388955 Reproducing method for magneto-optic recording medium, and magneto-optic disk deviceExpiredSep 22, 99May 14, 02[G11B]
6356272 Texture information giving method, object extracting method, three-dimensional model generating method and apparatus for the sameExpiredNov 01, 99Mar 12, 02[G06T]
6335908 Magneto optical recording medium with mask layerExpiredMar 09, 00Jan 01, 02[G11B]
6295253 Magnetooptical disk unit capable of recording or reproducing signals having different domain lengths under the same conditions, signal recording method and signal reproducing methodExpiredSep 21, 00Sep 25, 01[G11B]
6194752 Dielectric device, dielectric memory and method of fabricating the sameExpiredJun 15, 98Feb 27, 01[H01L]
5968678 Magneto-optical recording medium and manufacturing method thereofExpiredJul 30, 96Oct 19, 99[G11B]
5738929 Magnetoresistance effect elementExpiredDec 13, 96Apr 14, 98[H01L]

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