Inventor
SAKAGAMI WATARU
JP11 patents
Patents
11 patentsUS4998009AMar 5, 1991
Information recording method for recording data and directories in a plurality of blocks comprising divided recording areas
CANON KK35 citations92
US4872154AOct 3, 1989
Method for recording indicia for indicating presence or absence of error in medium after error checking and apparatus therefor
CANON KK24 citations92
US5354135AOct 11, 1994
Recorder and dot pattern control circuit
CANON KK23 citations91
US5899614AMay 4, 1999
Output method and apparatus
CANON KK15 citations73
US5018124AMay 21, 1991
Information recording method and apparatus for recording information on track positioned at least two tracks ahead when abnormality of tracking servo is detected
CANON KK17 citations73
US4982391AJan 1, 1991
Method and apparatus for accessing a desired track of a recording medium during a stopped state of recording or reproduction
CANON KK18 citations72
US4868806ASep 19, 1989
An information recording apparatus for recording a directory information unit on a single recording track of a recording medium based on the number of directory information units previously recorded in the single recording track
CANON KK11 citations72
US5038332AAug 6, 1991
Optical information recording medium including an optically detectable mark representing a boundary between the recording and non-recording areas
CANON KK5 citations62
US4910724AMar 20, 1990
Information recording medium having an area for recording information indicating logical erasure of data and method for recording information
CANON KK6 citations62
US4870634ASep 26, 1989
Apparatus for recording and/or reproducing information data and a signal for synchronizing the same
CANON KK4 citations61
US5144608ASep 1, 1992
Apparatus for recording and reproducing information on and from a recording medium having a reference position mark
CANON KK1 citations51