Inventor
SHIMIZU KIKUO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU KIKUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS5854778ADec 29, 1998
Information recording and reproducing method and system for disc-shaped recording mediums
HITACHI LTD38 citations92
US5524103AJun 4, 1996
Disk record medium, and method and apparatus for recording and reproducing information onto and from the same
HITACHI LTD34 citations92
US5233592AAug 3, 1993
Method for detecting starting position of data recording block
HITACHI LTD24 citations92
US5446718AAug 29, 1995
Information recording and reproducing method and system for disc-shaped recording mediums
HITACHI LTD16 citations81
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
US5748589AMay 5, 1998
Diagnosis of an optical disk apparatus using a diagnostic method contained on an optical disk medium
HITACHI LTD10 citations72
US8014247B2Sep 6, 2011
Optical disk recording/reproducing apparatus and alternation process method thereof
HITACHI LTD0 citations51
US7817515B2Oct 19, 2010
Optical disk recording/reproducing apparatus and alternation process method thereof
HITACHI LTD0 citations51