MATSUSHITA-KOTOBUKI ELECTRONICS INDUSTRIES, LTD.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

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 18120
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G03C PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES 244
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H01S DEVICES USING STIMULATED EMISSION191
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 179
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7200747 System for ensuring data privacy and user differentiation in a distributed file systemOct 31, 01Apr 03, 07[H04L]
6738205 Self-writing of servo patterns in disk drivesJul 08, 01May 18, 04[G11B]
6519107 Hard disk drive having self-written servo burst patternsSep 24, 99Feb 11, 03[G11B]
6479978 High-resolution measurement of phase shifts in high frequency phase modulatorsAug 17, 01Nov 12, 02[H03L, G01R]
D464069 Camera with convexly curved gripMay 29, 01Oct 08, 02[1601]
D462335 TV with playerMay 02, 01Sep 03, 02[1403]
6416936 Top surface imaging technique for top pole tip width control in magnetoresistive read/write head processingSep 28, 00Jul 09, 02[G03C]
D459320 TV with playerMay 02, 01Jun 25, 02[1403]
D456832 Convexly curved grip of cameraApr 25, 00May 07, 02[1605]
6369971 PES linearization scheme for disk drive servo using small excitation bode measurementsAug 19, 99Apr 09, 02[G11B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6704156 Self-writing of servo patterns in a disk drive using a printed reference patternExpiredJan 31, 00Mar 09, 04[G11B]
6493171 Adaptive skew setting for a disk driveExpiredMar 30, 01Dec 10, 02[G11B]
6424485 Adaptive skew settings for a disk driveExpiredMar 26, 99Jul 23, 02[G11B]
6310739 Method and system for detection recording media defactsExpiredMar 31, 99Oct 30, 01[G11B]
6275361 Protecting a magnetoresistive head against electrostatic dischargeExpiredMay 13, 99Aug 14, 01[G11B]
6141183 Process for producing a pole-trimmed writer in a magnetoresistive read/write head and a data transducer made therebyExpiredJul 14, 98Oct 31, 00[G11B]
6137660 Method for reducing ESD and imaging damage during focused ion beam definition of magnetoresistive head write track widthExpiredDec 29, 97Oct 24, 00[G11B]
6099699 Thin encapsulation process for making thin film read/write headsExpiredApr 22, 98Aug 08, 00[C23C]
6081408 Magnetoresistive read/write head having reduced write fringing and method for manufacturing sameExpiredDec 02, 97Jun 27, 00[G11B]
5999498 Reduced profile magnetic head assembly and method of manufacturing reduced profile magnetic head support structureExpiredApr 29, 98Dec 07, 99[G11B]
5936800 Uniform fly height slider with decreased sensitivity to roll momentsExpiredMar 24, 95Aug 10, 99[G11B]
5936813 Giant magnetoresistive head with electron cured insulatorExpiredAug 03, 98Aug 10, 99[G11B]
5883762 Electroplating apparatus and process for reducing oxidation of oxidizable plating anions and cationsExpiredMar 13, 97Mar 16, 99[G11B]
5850324 Magnetoresistive head having electrically isolated conductor leadsExpiredMar 13, 97Dec 15, 98[G11B]
5843537 Insulator cure process for giant magnetoresistive headsExpiredMar 07, 97Dec 01, 98[C08J]
5830587 Magnetic devices with enhanced polesExpiredNov 04, 96Nov 03, 98[C23C, G11B]
5804085 Process for producing a pole-trimmed writer in a magnetoresistive read/write head and a data transducer made therebyExpiredJan 30, 97Sep 08, 98[G11B]
5805392 Laminated plated pole pieces for thin film magnetic transducersExpiredDec 30, 96Sep 08, 98[G11B]
5752309 Method and apparatus for precisely dimensioning pole tips of a magnetic transducing head structureExpiredJun 14, 96May 19, 98[G11B]
5745983 Tool for processing magnetic read/write headsExpiredOct 31, 95May 05, 98[G11B]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.