Inventor
WATARIHANA HIDEAKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “WATARIHANA HIDEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER CORP
8 patentsUS6147942ANov 14, 2000
Focus control apparatus for multilayer optical recording medium
PIONEER CORP22 citations92
US6683826B1Jan 27, 2004
System for reproducing information recorded on an information recording medium
PIONEER CORP13 citations84
US6952387B2Oct 4, 2005
Optical disk playing apparatus and method for discriminating optical disk
PIONEER CORP7 citations73
US6587412B1Jul 1, 2003
Apparatus and method for detecting abnormal insertion of disc body
PIONEER CORP10 citations73
US6574171B1Jun 3, 2003
System for reproducing recording mediums
PIONEER CORP9 citations73
US7113457B2Sep 26, 2006
Information reproducing system having means for preventing a breakdown thereof caused by abnormal conditions
PIONEER CORP2 citations62
US6333901B1Dec 25, 2001
Disc reproducing apparatus for determining a track jump
PIONEER CORP1 citations52
US6252832B1Jun 26, 2001
Initializing position for transporting a reproducing apparatus
PIONEER CORP1 citations52
PIONEER ELECTRONIC CORP
3 patentsUS6246646B1Jun 12, 2001
Focus control apparatus for multilayer optical recording medium
PIONEER ELECTRONIC CORP46 citations92
US6101157AAug 8, 2000
Apparatus and method for focus control of read light irradiated on a recording surface
PIONEER ELECTRONIC CORP32 citations92
US6134196AOct 17, 2000
Carriage controller for multi-layer disc
PIONEER ELECTRONIC CORP18 citations84