Inventor
ISHII HIDEHIRO
JP60 patents
⚠️ This page may combine multiple inventors who share the name “ISHII HIDEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
40 patentsUS6108486AAug 22, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same enabling easy access to information
PIONEER ELECTRONIC CORP120 citations98
US6859421B2Feb 22, 2005
Apparatus for reproducing information from record medium on which audio information of differing recording methods is recorded
PIONEER ELECTRONIC CORP46 citations96
US6597861B1Jul 22, 2003
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP62 citations96
US6308006B1Oct 23, 2001
Information storage medium and apparatus for reproducing the same
PIONEER ELECTRONIC CORP65 citations96
US6272082B1Aug 7, 2001
Audio information recording medium and audio information reproducing apparatus
PIONEER ELECTRONIC CORP55 citations96
US6236804B1May 22, 2001
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP52 citations96
US6014495AJan 11, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP49 citations96
US5960152ASep 28, 1999
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP79 citations96
US7330643B2Feb 12, 2008
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP13 citations93
US5805537ASep 8, 1998
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP36 citations93
US6965727B1Nov 15, 2005
Information record medium and apparatus for reproducing the same
PIONEER ELECTRONIC CORP39 citations92
US6687211B2Feb 3, 2004
Information record medium on which audio information differing in recording methods are recorded and apparatus for reproducing the same
PIONEER ELECTRONIC CORP29 citations92
US6343055B1Jan 29, 2002
Apparatus for and method of reproducing music together with information representing beat of music
PIONEER ELECTRONIC CORP39 citations92
US6262951B1Jul 17, 2001
Information reproducing system and method capable of reproducing in desired reproducing time
PIONEER ELECTRONIC CORP26 citations92
US6219309B1Apr 17, 2001
Information recording apparatus and information reproducing apparatus
PIONEER ELECTRONIC CORP19 citations92
US5708636AJan 13, 1998
Tracking error signal generation device
PIONEER ELECTRONIC CORP41 citations91
US4899326AFeb 6, 1990
Magazine-housed disk player
PIONEER ELECTRONIC CORP45 citations91
US4885644ADec 5, 1989
Spindle servo device for data recording disk reproducing apparatus
PIONEER ELECTRONIC CORP35 citations91
US4872068AOct 3, 1989
Disk playing method resulting in reduced start-up time
PIONEER ELECTRONIC CORP48 citations91
US4761692AAug 2, 1988
Method and apparatus for data recording disc playback
PIONEER ELECTRONIC CORP43 citations90
US5187696AFeb 16, 1993
Method for setting the loop gain in a focusing servo loop
PIONEER ELECTRONIC CORP31 citations89
US5101391AMar 31, 1992
Method for setting the loop gain in a tracking servo loop
PIONEER ELECTRONIC CORP21 citations81
US5084849AJan 28, 1992
Method for setting the loop gain of servo loops in a disc player
PIONEER ELECTRONIC CORP21 citations81
US6396781B2May 28, 2002
Audio information recording medium and audio information reproducing apparatus
PIONEER ELECTRONIC CORP7 citations74
US5065253ANov 12, 1991
Disk player with disk tilt or pickup position responsive noise reduction
PIONEER ELECTRONIC CORP12 citations74
US6094638AJul 25, 2000
Audio signal processing apparatus and audio signal processing method for multi channel audio reproduction system
PIONEER ELECTRONIC CORP7 citations73
US5914752AJun 22, 1999
Band-division signal processing system
PIONEER ELECTRONIC CORP7 citations73
US5245599ASep 14, 1993
Disc player using a servo loop with a variable transfer function
PIONEER ELECTRONIC CORP15 citations73
US5105402AApr 14, 1992
Disc player with manual search function
PIONEER ELECTRONIC CORP10 citations73
US5065386ANov 12, 1991
Servo system responsive to noise and having variable characteristic filter means
PIONEER ELECTRONIC CORP13 citations73
US5050149ASep 17, 1991
Servo device for disc player
PIONEER ELECTRONIC CORP9 citations73
US4979048ADec 18, 1990
Apparatus for and method of stop control for a spindle motor in a disk player
PIONEER ELECTRONIC CORP8 citations73
US6553177B1Apr 22, 2003
Information recording and reproducing system
PIONEER ELECTRONIC CORP10 citations72
US7398010B2Jul 8, 2008
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP2 citations63
US7340156B2Mar 4, 2008
Information storage medium with aggregate attribute information, and apparatus for reproducing the same
PIONEER ELECTRONIC CORP4 citations63
US6778761B1Aug 17, 2004
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP3 citations63
US6741797B2May 25, 2004
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP4 citations63
US6445873B1Sep 3, 2002
Digital data recording/reproducing apparatus
PIONEER ELECTRONIC CORP4 citations63
US4729042AMar 1, 1988
Clock signal generating circuit for digital signal recording device
PIONEER ELECTRONIC CORP2 citations63
US6549496B2Apr 15, 2003
Information recording apparatus and information reproducing apparatus
PIONEER ELECTRONIC CORP2 citations62
PIONEER CORP
9 patentsUS6480448B1Nov 12, 2002
Disc player
PIONEER CORP21 citations92
US6885623B1Apr 26, 2005
Recording and reproducing method of information recording medium and information recording and reproducing apparatus
PIONEER CORP20 citations90
US6813434B1Nov 2, 2004
Information editing apparatus and information reproducing apparatus
PIONEER CORP13 citations84
US6552983B1Apr 22, 2003
Apparatus and method for detecting abnormal condition at the time of recording or reproducing information on information recording medium
PIONEER CORP19 citations84
US6515950B1Feb 4, 2003
Information recording medium, and method and system for reading and writing information thereon
PIONEER CORP12 citations73
US7194196B2Mar 20, 2007
Information record medium, and apparatus for and method of reproducing the same
PIONEER CORP3 citations63
US6760540B2Jul 6, 2004
Information storage medium and apparatus for reproducing the same
PIONEER CORP3 citations63
US7509022B1Mar 24, 2009
Recording medium and system for recording and reproducing the recording medium
PIONEER CORP2 citations62
US7486872B2Feb 3, 2009
Information editing apparatus and information reproducing apparatus
PIONEER CORP3 citations62
DAIKIN IND LTD
1 patentShowing the top 50 of 60 patents by PatentIndex Score.