Inventor · disambiguated record
Hisayuki Yamatsu
Also filed as: YAMATSU HISAYUKI
34 granted patents·10 pending applications·390 citations·filing 1992–2011
97Inventor score
Top patents by PatentIndex Score
44 records- 0193US6754158B1Optical and visual information recording medium, optical and visual information recording apparatus and methodSONY CORP·Filed 1999·Granted Jun 22, 2004·70 cites·24 claims
- 0292US7576899B2Hologram recording device and phase mask having a diffusing pattern with a minimum unit in relation to a minimum unit of a spatial modulatorSONY CORP·Filed 2006·Granted Aug 18, 2009·19 cites·13 claims
- 0389US5615193AInformation recording apparatus and process for recording on a recording medium with pit edges shifted in a step-wise fashionSONY CORP·Filed 1995·Granted Mar 25, 1997·44 cites·13 claims
- 0488US5809004AInformation recording medium with pits edges shifted in a step-wise fashionSONY CORP·Filed 1996·Granted Sep 15, 1998·38 cites·28 claims
- 0582US5724330AInformation 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 thereforSONY CORP·Filed 1992·Granted Mar 3, 1998·21 cites·11 claims
- 0681US7960092B2Method of recording in an optical information recording mediumSONY CORP·Filed 2007·Granted Jun 14, 2011·4 cites·2 claims
- 0781US5818805AReproducing apparatus using an information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edgeSONY CORP·Filed 1995·Granted Oct 6, 1998·37 cites·15 claims
- 0880US8379503B2Optical information recording reproduction apparatus and optical information recording reproduction methodSONY CORP·Filed 2011·Granted Feb 19, 2013·5 cites·5 claims
- 0977US7496024B2Hologram apparatus and hologram recording methodSONY CORP·Filed 2005·Granted Feb 24, 2009·3 cites·20 claims
- 1077US5566158AInformation recording medium and a recording apparatus and a reproducing apparatus thereforSONY CORP·Filed 1995·Granted Oct 15, 1996·20 cites·26 claims
- 1175US5557592AReproducing apparatus for reproducing information from a recording medium with pit edges shifted in a step-wise fashionSONY CORP·Filed 1995·Granted Sep 17, 1996·24 cites·15 claims
- 1274US7277208B2Hologram recording medium, hologram recording and reproduction apparatus and method of producing a hologram recording mediumSONY CORP·Filed 2005·Granted Oct 2, 2007·3 cites·18 claims
- 1373US7709248B2Bioassay unit and substrate for bioassaySONY CORP·Filed 2003·Granted May 4, 2010·10 cites·12 claims
- 1473US7595922B2Hologram reconstructing apparatus and hologram reconstructing methodSONY CORP·Filed 2006·Granted Sep 29, 2009·2 cites·15 claims
- 1569US8211380B2Bio-assay substrate, bio-assay apparatus, and reading apparatusFURUKI MOTOHIRO·Filed 2010·Granted Jul 3, 2012·1 cites·12 claims
- 1669US8007982B2Optical information recording mediumSONY CORP·Filed 2007·Granted Aug 30, 2011·1 cites·17 claims
- 1766US5907534AOptical recording mediumSONY CORP·Filed 1996·Granted May 25, 1999·18 cites·7 claims
- 1863US6016302AOptical disc and method for producing sameSONY CORP·Filed 1998·Granted Jan 18, 2000·16 cites·7 claims
- 1961US7782733B2Hologram recording and reproduction apparatusSONY CORP·Filed 2008·Granted Aug 24, 2010·0 cites·18 claims
- 2060US7522498B2Optical information recording apparatusSONY CORP·Filed 2007·Granted Apr 21, 2009·0 cites·3 claims
- 2160US7436749B2Hologram recording and reproduction apparatusSONY CORP·Filed 2004·Granted Oct 14, 2008·3 cites·1 claims
- 2258US7319656B2Optical information recording medium, optical information recording apparatus and methodSONY CORP·Filed 2004·Granted Jan 15, 2008·2 cites·26 claims
- 2356US7184183B2Hologram recording/reproducing apparatus and hologram recording/reproducing methodSONY CORP·Filed 2004·Granted Feb 27, 2007·3 cites·21 claims
- 2455US5748582AInformation 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 thereforSONY CORP·Filed 1996·Granted May 5, 1998·11 cites·2 claims
- 2554US7936647B2Optical information recording/reproducing device and associated method for increasing recording/reproducing speedSONY CORP·Filed 2008·Granted May 3, 2011·0 cites·8 claims
- 2654US2010172228A1Voluminal information recording medium, information recording apparatus, information reproducing apparatus , and optical pickupSONY CORP·Filed 2009·Application pending·0 cites
- 2752US2010047506A1Optical information recording mediumSONY CORP·Filed 2008·Application pending·0 cites
- 2851US7808687B2Hologram reconstructing apparatus and hologram reconstructing methodSONY CORP·Filed 2007·Granted Oct 5, 2010·0 cites·13 claims
- 2951US2009252018A1Hologram lens manufacturing apparatus, hologram lens, method of manufacturing hologram lens, information recording apparatus, and information reproducing apparatusSONY CORP·Filed 2009·Application pending·0 cites
- 3050US8238005B2Hologram medium manufacturing method, master hologram medium manufacturing method, recording medium, and hologram medium manufacturing apparatusYAMATSU HISAYUKI·Filed 2008·Granted Aug 7, 2012·0 cites·23 claims
- 3149US8223610B2Apparatus and method for initializing information recording medium, apparatus and method for recording information, and information recording mediumYAMATSU HISAYUKI·Filed 2009·Granted Jul 17, 2012·0 cites·11 claims
- 3249US2005014286A1Bio-assay substrate, bio-assay apparatus, and reading apparatusFiled 2003·Application pending·0 cites
- 3348US6118574AExposure apparatusSONY CORP·Filed 1998·Granted Sep 12, 2000·15 cites·14 claims
- 3446US5717676AApparatus for recording on master optical discSONY CORP·Filed 1996·Granted Feb 10, 1998·7 cites·10 claims
- 3546US2006146386A1Hologram recording apparatus and hologram recording methodSONY CORP·Filed 2005·Application pending·0 cites
- 3645US8305870B2Optical information recording method, optical information reproducing method, optical information recording apparatus, and optical information recording and reproducing apparatusSAKAMOTO TETSUHIRO·Filed 2011·Granted Nov 6, 2012·0 cites·9 claims
- 3745US7477588B2Apparatus for and method of recording and reproducing hologramsSONY CORP·Filed 2005·Granted Jan 13, 2009·0 cites·6 claims
- 3845US2009009835A1Hologram Reproducer and Hologram Reproducing MethodSONY CORP·Filed 2005·Application pending·0 cites
- 3944US6214528B1Method of forming mother for use in optical discSONY CORP·Filed 1998·Granted Apr 10, 2001·10 cites·5 claims
- 4043US2004264340A1Hologram recording apparatus, hologram recording method, hologram reproduction apparatus, hologram reproduction method and hologram recording mediumSONY CORP·Filed 2004·Application pending·0 cites
- 4140US2012092977A1Optical recording medium, method of producing same, and recording deviceSAKAMOTO TETSUHIRO·Filed 2011·Application pending·0 cites
- 4237US2012281513A1Recording apparatus, recording method, and optical recording mediumMIYAMOTO HIROTAKA·Filed 2010·Application pending·0 cites
- 4337US2012196077A1Optical recording medium and production method for optical recording mediumSAKAMOTO TETSUHIRO·Filed 2010·Application pending·0 cites
- 4433US6048669AExposure recording method for optical recording materialsSONY CORP·Filed 1998·Granted Apr 11, 2000·3 cites·7 claims
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