Inventor
YOSHIMURA RYUICHIRO
JP46 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIMURA RYUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER ELECTRONIC CORP
38 patentsUS6215952B1Apr 10, 2001
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP409 citations99
US6212330B1Apr 3, 2001
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP618 citations99
US6148138ANov 14, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP175 citations99
US6137954AOct 24, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP318 citations99
US6031962AFeb 29, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP100 citations98
US5742569AApr 21, 1998
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP132 citations98
US6266478B1Jul 24, 2001
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP61 citations96
US6157769ADec 5, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP81 citations96
US6108281AAug 22, 2000
Accessing control for optical recording device capable of performing time search
PIONEER ELECTRONIC CORP52 citations96
US6034942AMar 7, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP48 citations96
US6006004ADec 21, 1999
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP43 citations96
US5966352AOct 12, 1999
Information recording medium with interleaved data, apparatus for recording same and apparatus for reproducing same
PIONEER ELECTRONIC CORP87 citations96
US6067282AMay 23, 2000
Information recording medium, apparatus for recording the same and apparatus for recording the same
PIONEER ELECTRONIC CORP39 citations95
US6757483B1Jun 29, 2004
Information recording medium with aggregate attribute information recorded in video manager, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP26 citations93
US6567612B2May 20, 2003
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP27 citations93
US6396997B2May 28, 2002
Information record medium wherein navigation information is recorded, apparatus for recording information including navigation information and apparatus for reproducing information according to navigation information
PIONEER ELECTRONIC CORP17 citations93
US6253018B1Jun 26, 2001
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP19 citations93
US6122434ASep 19, 2000
Information recording medium, having data and management portions, and an apparatus for reproducing information from the medium
PIONEER ELECTRONIC CORP40 citations93
US6104684AAug 15, 2000
Information recording medium, with aggregate attribute information recorded in video manager apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP35 citations93
US6091674AJul 18, 2000
Accessing control for optical recording device capable of performing time search
PIONEER ELECTRONIC CORP45 citations93
US6085021AJul 4, 2000
Information recording medium apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP23 citations93
US5933569AAug 3, 1999
Information recording medium apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP33 citations93
US6501903B1Dec 31, 2002
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP23 citations92
US5936925AAug 10, 1999
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP39 citations92
US5684529ANov 4, 1997
Stereoscopio display using movement direction detection
PIONEER ELECTRONIC CORP41 citations90
US7346270B2Mar 18, 2008
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP11 citations84
USRE38569EAug 24, 2004
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP11 citations74
US5499225AMar 12, 1996
Optical recording method
PIONEER ELECTRONIC CORP15 citations74
US4777413AOct 11, 1988
Tape speed control device
PIONEER ELECTRONIC CORP15 citations73
US4719525AJan 12, 1988
Track position correction for a helical scan magnetic playback
PIONEER ELECTRONIC CORP8 citations73
US5130967AJul 14, 1992
On/off-track detecting apparatus for compatible disk player
PIONEER ELECTRONIC CORP8 citations72
US7783158B2Aug 24, 2010
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP4 citations63
US7242848B2Jul 10, 2007
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP1 citations63
US7035529B2Apr 25, 2006
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP2 citations63
USRE39110EMay 30, 2006
Information recording medium, apparatus for recording the same and apparatus for recording the same
PIONEER ELECTRONIC CORP1 citations62
USRE42506EJun 28, 2011
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP0 citations52
US7840117B2Nov 23, 2010
Information recording medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP0 citations52
USRE38849EOct 25, 2005
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRONIC CORP0 citations52
PIONEER CORP
4 patentsUS7095951B2Aug 22, 2006
Information record medium and apparatus for reproducing information according to navigation information
PIONEER CORP4 citations74
US7099560B2Aug 29, 2006
Information recording apparatus, information recording method, and information recording medium in which information recording program is computer-readably recorded
PIONEER CORP3 citations62
US7065290B2Jun 20, 2006
Information recording apparatus, information recording method, and information recording medium in which information recording program is computer-readably recorded
PIONEER CORP4 citations62
US7764300B2Jul 27, 2010
Optical recording medium and data recording device
PIONEER CORP0 citations34
PIONEER ELECTRIC CORP
2 patentsUS6088506AJul 11, 2000
Information record medium, apparatus for recording the same and apparatus for reproducing the same
PIONEER ELECTRIC CORP120 citations99
US7295762B2Nov 13, 2007
Information record medium having first and second recording layers in which mid areas are recorded respectively, and apparatus for recording the same
PIONEER ELECTRIC CORP47 citations93