TRANSPACIFIC IP 1 LTD.,

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 9196
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 3135
 
  
 
B42D BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH; MOVABLE-STRIP WRITING OR READING APPARATUS 231
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 285
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1101
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6717331 Piezoelectric ultrasonic motor with multi-layer thin disksApr 01, 03Apr 06, 04[H01L]
6667797 Phase retardation anti-counterfeit methodAug 23, 02Dec 23, 03[B42D, G06K]
6577376 Optical device with variable numerical aperturesJul 13, 00Jun 10, 03[G11B, G02F]
6577582 Diffractive stack pickup head for optical disk drives and method to fabricate the pickup headOct 29, 01Jun 10, 03[G11B, 112.]
6570717 Adjustable lens assemblyMay 09, 02May 27, 03[G02B]
6552708 Unit gain bufferSep 07, 00Apr 22, 03[G04G]
6538647 Low-power LCD data driver for stepwisely chargingJun 28, 00Mar 25, 03[G09G]
6469562 Source follower with Vgs compensationJun 26, 00Oct 22, 02[G06G]
6425606 Diffractive anti-counterfeiting tag with naked-eye inspection and machine inspectionOct 07, 99Jul 30, 02[B42D]
6406134 Monolithic ink-jet print head and method of fabricating the sameJan 22, 99Jun 18, 02[B41J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6707499 Technique to increase dynamic range of a CCD image sensorExpiredDec 08, 98Mar 16, 04[H01L, H04N]
6686761 Method for determining whether a rotor is good in magnetic induction by measuring the EMF of a motorExpiredJan 29, 02Feb 03, 04[G01R]
6292165 Adaptive piece-wise approximation method for gamma correctionExpiredAug 13, 99Sep 18, 01[G09G]
6204618 Starting method for brushless DC motor and device for the sameExpiredJul 07, 99Mar 20, 01[H02P]
6175453 Zoom lensExpiredAug 11, 99Jan 16, 01[G02B]
6147920 Noise equalized DAC and device capable of equalizing noise in SRAMExpiredMay 21, 98Nov 14, 00[G11C]
6137637 Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discsExpiredDec 30, 99Oct 24, 00[G02B]
6034797 Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discsExpiredJun 11, 98Mar 07, 00[G02B, G11B]
D373355 Video telephoneExpiredDec 02, 94Sep 03, 96[]

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