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CSK CORP
JP32 patents
Top patents by PatentIndex Score
US6634992B1Oct 21, 2003
Training machine, image output processing device and method, and recording medium which stores image outputting programs
CSK CORP119 citations97
US6852068B2Feb 8, 2005
Training machine, image output processing device and method, and recording medium which stores image outputting programs
CSK CORP71 citations96
US6805656B2Oct 19, 2004
Training machine, image output processing device and method, and recording medium which stores image outputting programs
CSK CORP18 citations91
US4994658AFeb 19, 1991
Apparatus for controlling movement of an optical memory card for data transfer therewith
CSK CORP24 citations90
US4933537AJun 12, 1990
Apparatus for controlling movement of an optical memory card for data transfer therewith
CSK CORP26 citations90
US5136503AAug 4, 1992
Machine translation system
CSK CORP29 citations89
US5136588AAug 4, 1992
Interleaving method and apparatus
CSK CORP31 citations85
US5181194AJan 19, 1993
Writing device for optical memory card
CSK CORP8 citations74
US5164577ANov 17, 1992
Optical recording medium with region for identifying defective written data
CSK CORP13 citations74
US5113378AMay 12, 1992
Optical tracking system for an optical recording arrangement with plurality of beams
CSK CORP18 citations74
US5212602AMay 18, 1993
Magnetic head having fuse within head case
CSK CORP6 citations73
US4982077AJan 1, 1991
Recording format for optical recording medium
CSK CORP8 citations73
US4831609AMay 16, 1989
Tracking method and apparatus for optical recording medium
CSK CORP12 citations73
US4815062AMar 21, 1989
Write-once data writing system for optical recording medium
CSK CORP7 citations73
US5027337AJun 25, 1991
Optical recording medium and tracking method therefor
CSK CORP12 citations71
US4817067AMar 28, 1989
Optical recording medium
CSK CORP8 citations71
US4881214ANov 14, 1989
Data record formatting system and reading/writing system for optical recording medium
CSK CORP7 citations69
US5198646AMar 30, 1993
System for detecting punched holes of magnetic cards
CSK CORP10 citations68
US5067812ANov 26, 1991
Systems for inspecting defects in an optical recording medium
CSK CORP11 citations68
US5050171ASep 17, 1991
Burst error correction apparatus
CSK CORP14 citations66
US5128917AJul 7, 1992
Tracking device for optical memory card
CSK CORP7 citations64
US5142519AAug 25, 1992
Optical recording medium and device for writing and reading information in and from the recording medium
CSK CORP4 citations63
US5070491ADec 3, 1991
Error signal generating circuit
CSK CORP5 citations63
US5053610AOct 1, 1991
Reading apparatus and photodetector for optical recording medium
CSK CORP4 citations63
US4885736ADec 5, 1989
Optical recording medium with track and track number guides
CSK CORP4 citations63
US4794244ADec 27, 1988
Method and apparatus for detecting focussing position deviation of read/write apparatus in an optical recording medium
CSK CORP4 citations63
US4879691ANov 7, 1989
Optical recording system with optical recording medium having multilevel recording surface for tracking
CSK CORP2 citations62
US5261075ANov 9, 1993
Optical recording medium access system
CSK CORP3 citations55
US5142524AAug 25, 1992
Optical recording medium
CSK CORP1 citations52
US5182737AJan 26, 1993
System for reading optical recording medium using reference liners which are positioned perpendicular to data tracks
CSK CORP0 citations42
US5138597AAug 11, 1992
Apparatus for detecting a read error of an optical recording medium
CSK CORP0 citations42
US5187698AFeb 16, 1993
Data reading apparatus for identifying position of data tracks
CSK CORP1 citations33