Inventor
YAMAMURO MIKIO
JP34 patents
Patents
34 patentsUS5805547ASep 8, 1998
Optical disk device and replacement processing method
TOSHIBA KK112 citations99
US5859823AJan 12, 1999
Optical disk device method for detecting and replacing a defective sector within a block containing recording data and error correction data on an optical disk
TOSHIBA KK95 citations98
US5841748ANov 24, 1998
Optical disk device and replacement processing method
TOSHIBA KK95 citations98
US6049515AApr 11, 2000
Optical disk device and replacement processing method
TOSHIBA KK83 citations96
US6031804AFeb 29, 2000
Optical disk device having defect detection information
TOSHIBA KK85 citations96
US5684774ANov 4, 1997
Optical disk apparatus
TOSHIBA KK51 citations96
US5239658AAug 24, 1993
Switchable parallel bus terminator having stable terminator voltage with respect to ambient temperature change
TOSHIBA KK29 citations93
US5991253ANov 23, 1999
Optical disk device and replacement processing method
TOSHIBA KK21 citations92
US5982729ANov 9, 1999
Optical disk device and replacement processing method
TOSHIBA KK26 citations92
US5963522AOct 5, 1999
Optical disk device and method for detecting and replacing a defective sector within a block containing recording data and error correction data on an optical disk
TOSHIBA KK43 citations92
US5956309ASep 21, 1999
Optical disk device and replacement processing method
TOSHIBA KK41 citations92
US5883867AMar 16, 1999
Optical disk device and method for replacing a defective sector within a block containing recording data and error correction data on an optical disk
TOSHIBA KK45 citations92
US5481531AJan 2, 1996
Optical disk apparatus for recording/erasing information in the M-CAV format by using gain switching to increase the speed of the master clock
TOSHIBA KK36 citations92
US5063549ANov 5, 1991
Optical disk apparatus
TOSHIBA KK29 citations92
US4942563AJul 17, 1990
Signal processing apparatus and method capable of providing precise digital data
TOSHIBA KK36 citations92
US5959954ASep 28, 1999
Information recording/reproducing apparatus with variable rate of revolution and data clock frequency
TOSHIBA KK14 citations74
US5943313AAug 24, 1999
Information storage medium and information reproducing apparatus having a wobbling pre-groove
TOSHIBA KK13 citations74
US5793722AAug 11, 1998
Optical disk apparatus, tracking control circuit therefor, and method of tracking groves and lands
TOSHIBA KK8 citations74
US5761189AJun 2, 1998
Apparatus for manufacturing a maser disk, optical disk forming apparatus, and optical disk forming method
TOSHIBA KK9 citations74
US5664141ASep 2, 1997
Disk drive system using received address for selecting disk processing format
TOSHIBA KK9 citations74
US5268914ADec 7, 1993
Laser beam control apparatus
TOSHIBA KK10 citations74
US5148420ASep 15, 1992
Recording information apparatus having a head speed detector
TOSHIBA KK15 citations74
US5128920AJul 7, 1992
Optical disk apparatus with a laser beam controllable in accordance with a specification area on a disk
TOSHIBA KK16 citations74
US5051972ASep 24, 1991
Track accessing control apparatus having a high-pass filter for extracting a tracking signal
TOSHIBA KK7 citations74
US4877953AOct 31, 1989
Current-voltage converter circuit
TOSHIBA KK7 citations74
US5835459ANov 10, 1998
Optical disc apparatus for recording and reproducing data onto and from an optical disc with grooves and lands
TOSHIBA KK9 citations73
US5306903AApr 26, 1994
Objective lens position detecting system capable of adjusting amounts of radiation
TOSHIBA KK7 citations73
US6167013ADec 26, 2000
Information storage medium and information reproducing apparatus
TOSHIBA KK6 citations63
US5544134AAug 6, 1996
Optical disk apparatus for reading data from zones of an optical disk using different frequency clocks
TOSHIBA KK3 citations63
US5103440AApr 7, 1992
Track access error correction apparatus for moving an optical head from one track location to another track location on an optical disc
TOSHIBA KK2 citations63
US4926407AMay 15, 1990
Optical data processor
TOSHIBA KK4 citations63
US5309425AMay 3, 1994
Signal processing circuit for optical disk apparatus
TOSHIBA KK4 citations62
US5018121AMay 21, 1991
Optical recording/reproducing focusing apparatus
TOSHIBA KK1 citations52
US7046806B2May 16, 2006
Information recording apparatus and method, and information reproduction apparatus and method
TOSHIBA KK0 citations42