Inventor
YAMATSU HISAYUKI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “YAMATSU HISAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
30 patentsUS6754158B1Jun 22, 2004
Optical and visual information recording medium, optical and visual information recording apparatus and method
SONY CORP70 citations96
US5809004ASep 15, 1998
Information recording medium with pits edges shifted in a step-wise fashion
SONY CORP38 citations96
US5615193AMar 25, 1997
Information recording apparatus and process for recording on a recording medium with pit edges shifted in a step-wise fashion
SONY CORP44 citations96
US5818805AOct 6, 1998
Reproducing apparatus using an information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge
SONY CORP37 citations92
US5724330AMar 3, 1998
Information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge, recording apparatus, reproducing apparatus, and recording and reproducing apparatus therefor
SONY CORP21 citations92
US5566158AOct 15, 1996
Information recording medium and a recording apparatus and a reproducing apparatus therefor
SONY CORP20 citations92
US5557592ASep 17, 1996
Reproducing apparatus for reproducing information from a recording medium with pit edges shifted in a step-wise fashion
SONY CORP24 citations89
US7709248B2May 4, 2010
Bioassay unit and substrate for bioassay
SONY CORP10 citations84
US6016302AJan 18, 2000
Optical disc and method for producing same
SONY CORP16 citations84
US5907534AMay 25, 1999
Optical recording medium
SONY CORP18 citations84
US7576899B2Aug 18, 2009
Hologram recording device and phase mask having a diffusing pattern with a minimum unit in relation to a minimum unit of a spatial modulator
SONY CORP19 citations82
US6214528B1Apr 10, 2001
Method of forming mother for use in optical disc
SONY CORP10 citations74
US6118574ASep 12, 2000
Exposure apparatus
SONY CORP15 citations74
US5748582AMay 5, 1998
Information recording medium wherein digital symbols are represented by discrete shift amounts of a pit edge and tracking wobbling pits are shared between adjacent tracks and information recording and reproducing apparatus therefor
SONY CORP11 citations74
US5717676AFeb 10, 1998
Apparatus for recording on master optical disc
SONY CORP7 citations74
US8379503B2Feb 19, 2013
Optical information recording reproduction apparatus and optical information recording reproduction method
SONY CORP5 citations73
US7436749B2Oct 14, 2008
Hologram recording and reproduction apparatus
SONY CORP3 citations63
US7277208B2Oct 2, 2007
Hologram recording medium, hologram recording and reproduction apparatus and method of producing a hologram recording medium
SONY CORP3 citations63
US7184183B2Feb 27, 2007
Hologram recording/reproducing apparatus and hologram recording/reproducing method
SONY CORP3 citations63
US6048669AApr 11, 2000
Exposure recording method for optical recording materials
SONY CORP3 citations63
US7960092B2Jun 14, 2011
Method of recording in an optical information recording medium
SONY CORP4 citations62
US7595922B2Sep 29, 2009
Hologram reconstructing apparatus and hologram reconstructing method
SONY CORP2 citations62
US7319656B2Jan 15, 2008
Optical information recording medium, optical information recording apparatus and method
SONY CORP2 citations62
US7496024B2Feb 24, 2009
Hologram apparatus and hologram recording method
SONY CORP3 citations61
US8007982B2Aug 30, 2011
Optical information recording medium
SONY CORP1 citations52
US7782733B2Aug 24, 2010
Hologram recording and reproduction apparatus
SONY CORP0 citations52
US7522498B2Apr 21, 2009
Optical information recording apparatus
SONY CORP0 citations52
US7936647B2May 3, 2011
Optical information recording/reproducing device and associated method for increasing recording/reproducing speed
SONY CORP0 citations42
US7477588B2Jan 13, 2009
Apparatus for and method of recording and reproducing holograms
SONY CORP0 citations42
US7808687B2Oct 5, 2010
Hologram reconstructing apparatus and hologram reconstructing method
SONY CORP0 citations41
YAMATSU HISAYUKI
2 patentsUS8238005B2Aug 7, 2012
Hologram medium manufacturing method, master hologram medium manufacturing method, recording medium, and hologram medium manufacturing apparatus
YAMATSU HISAYUKI0 citations46
US8223610B2Jul 17, 2012
Apparatus and method for initializing information recording medium, apparatus and method for recording information, and information recording medium
YAMATSU HISAYUKI0 citations36