Inventor
MIZOKAMI TAKUYA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “MIZOKAMI TAKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
19 patentsUS5229986AJul 20, 1993
Data recording/reproducing device
HITACHI LTD44 citations95
US5559777ASep 24, 1996
Optical recording method employing pit edge recording on recording medium divided into a plurality of zones wherein recording parameters vary from zone to zone
HITACHI LTD41 citations93
US5414689AMay 9, 1995
Optical information recording/reproducing apparatus using pit edge recording system
HITACHI LTD45 citations93
US5233589AAug 3, 1993
Method for recording/reproducing information having a function of correcting variations in the interval in reproduced data and apparatus for realizing same
HITACHI LTD39 citations93
US5523991AJun 4, 1996
Data recording/reproducing device
HITACHI LTD34 citations92
US5524103AJun 4, 1996
Disk record medium, and method and apparatus for recording and reproducing information onto and from the same
HITACHI LTD34 citations92
US5388087AFeb 7, 1995
Recording and reproducing apparatus including changing a reproduction characteristic when an error has occurred in reproduced data
HITACHI LTD27 citations92
US5307333AApr 26, 1994
Track servo pull-in method and apparatus for an optical disc
HITACHI LTD33 citations92
US5233592AAug 3, 1993
Method for detecting starting position of data recording block
HITACHI LTD24 citations92
US5124967AJun 23, 1992
Automatic gain control method and apparatus in optical disk system
HITACHI LTD41 citations92
US4916683AApr 10, 1990
Optical recording/reproducing apparatus with means to shift light beam periodically to prevent record medium deterioration
HITACHI LTD23 citations92
US6442117B1Aug 27, 2002
Reading/reproducing apparatus having retry arrangement upon failed reading/writing of a signal
HITACHI LTD12 citations74
US5467331ANov 14, 1995
Recording and reproducing apparatus having arrangement for recovery of read-out data error
HITACHI LTD11 citations74
US5182740AJan 26, 1993
Method and apparatus for correctly storing data recorded on a rotational disc-shaped recording medium despite occurrence of clock synchronization disorder
HITACHI LTD15 citations74
US5519683AMay 21, 1996
Information recording/reproducing device and method in which a resynchronization signal is inserted into the data at predetermined intervals
HITACHI LTD6 citations73
US5383171AJan 17, 1995
Information recording/reproducing device and method for recording/reproducing information on a recording medium using accurate synchronization in a data area in which coded data is stored
HITACHI LTD10 citations73
US5335216AAug 2, 1994
Reproducing apparatus reproducing data from a recording medium having a preformatted address area at a starting position of each sector
HITACHI LTD5 citations73
US5448543ASep 5, 1995
Apparatus for reproducing data from a regenerative signal using a PLH circuit having loop gain control
HITACHI LTD9 citations69
US5077715ADec 31, 1991
Information recording and reproducing method utilizing particular sector configuration
HITACHI LTD1 citations52