Inventor
MURAO NORIAKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MURAO NORIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
9 patentsUS6137754AOct 24, 2000
Search method for information record medium
PIONEER ELECTRONIC CORP60 citations96
US5859818AJan 12, 1999
Tilt servo apparatus for use in optical disc reproducing apparatus
PIONEER ELECTRONIC CORP61 citations95
US5886496AMar 23, 1999
Tilt servo controlling apparatus
PIONEER ELECTRONIC CORP39 citations92
US5302834AApr 12, 1994
Optical pickup and tilt control device including a plurality of photosensitive units for generating signals indicating whether tilt correction is necessary
PIONEER ELECTRONIC CORP22 citations92
US5303221AApr 12, 1994
Optical pickup for an optical disc reproducing system
PIONEER ELECTRONIC CORP47 citations92
US6078556AJun 20, 2000
System for producing a liquid crystal driving signal
PIONEER ELECTRONIC CORP10 citations74
US5420847AMay 30, 1995
Reproducing system for an optical disc
PIONEER ELECTRONIC CORP13 citations73
US5379288AJan 3, 1995
Optical information recording medium and a reproducing apparatus for the recording medium
PIONEER ELECTRONIC CORP7 citations73
US5687146ANov 11, 1997
Focus control device for use with an optical pickup comprising a refracting means
PIONEER ELECTRONIC CORP4 citations62
PIONEER CORP
3 patentsUS6449095B1Sep 10, 2002
Optical pickup
PIONEER CORP161 citations97
US6388967B2May 14, 2002
Liquid crystal driving signal generating apparatus and optical disk reproducing apparatus with liquid crystal driving signal generating apparatus
PIONEER CORP8 citations74
US6584057B1Jun 24, 2003
Optical pickup system
PIONEER CORP5 citations62