HSP (BVI) NOMINEES LIMITED

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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 28110
 
  
 
F16M FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS233
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 285
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5995330 Rigid disk drive with dynamic head loading apparatusAug 11, 93Nov 30, 99[G11B]
5940234 Head instability recovery method for a disk driveFeb 08, 94Aug 17, 99[G11B]
5835303 Microminiature hard disk driveJul 14, 94Nov 10, 98[G11B]
5760983 Method for optimizing AGC in a servo field including multiple use of an AGC sub-field and sub-field orderingMay 31, 94Jun 02, 98[G11B]
5592349 Microminiature disk drive with clamp having fingers for radially positioning a pair of disks and a spindle motor providing a reduced disk drive heightDec 07, 93Jan 07, 97[G11B]
5583842 Method for improving servo field yieldsSep 01, 93Dec 10, 96[G11B]
5579189 Microminiature hard disk driveDec 14, 93Nov 26, 96[G11B]
5559648 Method for optimizing track location during servo writingAug 13, 93Sep 24, 96[G11B]
5539714 Adaptive runout compensation for miniature disk drivesApr 04, 94Jul 23, 96[G11B]
5469314 Miniature disk drive with dynamic head loadingAug 24, 93Nov 21, 95[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5258695 Spin motor control system for a hard disk assemblyExpiredDec 19, 90Nov 02, 93[H02P]
5218253 Spin motor for a hard disk assemblyExpiredDec 19, 90Jun 08, 93[H02K]
5189576 Rotary inertial latch for disk drive actuatorExpiredDec 19, 90Feb 23, 93[G11B]
5161770 Shock absorbent mounting arrangement for disk drive or other componentExpiredDec 19, 90Nov 10, 92[F16M]

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