Inventor
KAWANO EISAKU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “KAWANO EISAKU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER CORP
16 patentsUS6480448B1Nov 12, 2002
Disc player
PIONEER CORP21 citations92
US6724703B2Apr 20, 2004
Information recording apparatus and information recording method
PIONEER CORP8 citations74
US6892024B1May 10, 2005
Information recording apparatus
PIONEER CORP5 citations73
US7885157B2Feb 8, 2011
Information recording medium, apparatus, and method using management information identifying whether or not embossed pits are formed in a predetermined recording area
PIONEER CORP0 citations52
US7196983B2Mar 27, 2007
Information recording apparatus and information recording method
PIONEER CORP0 citations52
US7702212B2Apr 20, 2010
Information recording apparatus with memory control structure
PIONEER CORP0 citations51
US7903514B2Mar 8, 2011
Information reproduction device
PIONEER CORP0 citations50
US7889604B2Feb 15, 2011
Information recording medium, apparatus, and method, using dummy data in dummy data recording area
PIONEER CORP0 citations50
US8023383B2Sep 20, 2011
Recording device, recording method, and computer program
PIONEER CORP0 citations42
US7817523B2Oct 19, 2010
Recording medium, recording apparatus and recording method, and computer program
PIONEER CORP0 citations42
US7697390B2Apr 13, 2010
Efficient recording of information on an information recording medium having a plurality of layers
PIONEER CORP0 citations42
US7586625B2Sep 8, 2009
Position verifying apparatus and method, position measuring apparatus and method, and computer program for position verification or position measurement
PIONEER CORP0 citations42
US7948859B2May 24, 2011
Information recording medium, information recording device and method, information reproducing device and method, information recording/reproducing device and recording method, and computer program
PIONEER CORP0 citations41
US7885162B2Feb 8, 2011
Information recording device and method, and recording control computer program
PIONEER CORP0 citations41
US7760589B2Jul 20, 2010
Information recording apparatus and method, and computer program for recording control
PIONEER CORP0 citations41
US7957245B2Jun 7, 2011
Recording medium, recording method, and computer program
PIONEER CORP0 citations39
PIONEER ELECTRONIC CORP
6 patentsUS5177728AJan 5, 1993
Disc player for playing different types of discs which automatically identifies the type of a currently loaded disc
PIONEER ELECTRONIC CORP66 citations94
US5550799AAug 27, 1996
Device for and method of calibrating optimum recording power for recordable optical disc recording apparatus
PIONEER ELECTRONIC CORP31 citations92
US5257253AOct 26, 1993
Laser vision disc with digital sound (LDD) disc player for reproducing analog audio signals mixed with digital audio signals
PIONEER ELECTRONIC CORP54 citations91
US5033036AJul 16, 1991
Reproducing apparatus including means for gradually varying a mixing ratio of first and second channel signal in accordance with a voice signal
PIONEER ELECTRONIC CORP43 citations91
US5051976ASep 24, 1991
Disk recording and reproducing apparatus with speed compensation for CAV and CLV disks in accordance with signals recorded on the disks
PIONEER ELECTRONIC CORP10 citations74
US6850690B1Feb 1, 2005
Information recording apparatus, information recording and reproducing apparatus and record medium
PIONEER ELECTRONIC CORP8 citations73
SHIMIZU AKIRA
2 patentsUS8249424B2Aug 21, 2012
Information recording medium in which groove tracks are wobbled by frequency 2n times wobble frequency of standard
SHIMIZU AKIRA0 citations51
US8184954B2May 22, 2012
Information recording medium in which one land pre-pit is formed in each group unit of wobbles formed by each “N” cycles of wobbles
SHIMIZU AKIRA0 citations41