Inventor · disambiguated record
Toshiyuki Kashiwagi
Also filed as: KASHIWAGI TOSHIYUKI
51 granted patents·5 pending applications·1,418 citations·filing 1990–2011
99Inventor score
Files withSONY CORP46FUJITSU LTD3KASHIWAGI TOSHIYUKI1SONY CORP AND SONY DISC TECHNO1TOPPAN PRINTING CO LTD1
Top patents by PatentIndex Score
56 records- 0198US6246656B1Reduced thickness of a light transmissive layer for a high density optical discSONY CORP·Filed 1998·Granted Jun 12, 2001·199 cites·40 claims
- 0295US6442110B1Beam irradiation apparatus, optical apparatus having beam irradiation apparatus for information recording medium, method for manufacturing original disk for information recording medium, and method for manufacturing information recording mediumSONY CORP·Filed 1999·Granted Aug 27, 2002·104 cites·32 claims
- 0395US5708652AMulti-layer recording medium and method for producing sameSONY CORP·Filed 1996·Granted Jan 13, 1998·99 cites·17 claims
- 0494US6023451AOptical recording medium and optical disk apparatusSONY CORP·Filed 1998·Granted Feb 8, 2000·101 cites·27 claims
- 0593US6175548B1Optical recording medium and optical recording and reproducing apparatusSONY CORP·Filed 1999·Granted Jan 16, 2001·78 cites·23 claims
- 0689US6440516B1Optical discSONY CORP·Filed 2000·Granted Aug 27, 2002·28 cites·17 claims
- 0789US5972459AOptical recording medium and optical disk apparatusSONY CORP·Filed 1998·Granted Oct 26, 1999·63 cites·20 claims
- 0888US6353592B1Optical recording medium and optical disk deviceSONY CORP·Filed 1998·Granted Mar 5, 2002·52 cites·36 claims
- 0987US6992889B1Retention module, heat sink and electronic deviceFUJITSU LTD·Filed 2000·Granted Jan 31, 2006·68 cites·12 claims
- 1085US6707787B2Optical recording mediumSONY CORP·Filed 2001·Granted Mar 16, 2004·17 cites·6 claims
- 1185US6613396B1Optical disc and method for manufacturing sameSONY CORP·Filed 2000·Granted Sep 2, 2003·18 cites·2 claims
- 1285US6069868AMultiple layer optical disk storing information at a like multiple densitiesSONY CORP·Filed 1999·Granted May 30, 2000·44 cites·12 claims
- 1383US6270611B1Multi-layer recording medium and method for producing sameSONY CORP·Filed 1997·Granted Aug 7, 2001·32 cites·8 claims
- 1483US6111851AOptical recording medium and method of manufacturing sameSONY CORP·Filed 1996·Granted Aug 29, 2000·34 cites·14 claims
- 1582US6663935B1Disk-like multilayer information recording medium and production method thereofSONY CORP·Filed 2000·Granted Dec 16, 2003·18 cites·17 claims
- 1682US5724330AInformation 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
- 1781US6500511B1Optical disc recycling method and recycled optical discSONY CORP·Filed 2000·Granted Dec 31, 2002·14 cites·20 claims
- 1881US5818805AReproducing 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
- 1980US5846626AOptical recording medium and method of producing sameSONY CORP AND SONY DISC TECHNO·Filed 1996·Granted Dec 8, 1998·46 cites·21 claims
- 2079US6078560AOptical recording medium and optical recording/reproducing apparatusSONY CORP·Filed 1999·Granted Jun 20, 2000·29 cites·13 claims
- 2176US6986861B2Method of producing an optical recording mediumSONY CORP·Filed 2003·Granted Jan 17, 2006·10 cites·7 claims
- 2275US7480928B2Optical recording medium and method of producing the sameSONY CORP·Filed 2005·Granted Jan 20, 2009·2 cites·3 claims
- 2375US6524418B2Method of production of multilayer optical recording mediumSONY CORP·Filed 2001·Granted Feb 25, 2003·11 cites·11 claims
- 2472US6349086B2Optical disc and method for manufacturing sameSONY CORP·Filed 1999·Granted Feb 19, 2002·20 cites·8 claims
- 2572US6063468AOptical recording mediumSONY CORP·Filed 1998·Granted May 16, 2000·42 cites·14 claims
- 2671US6867975B2Heat sink, fixing method thereof and electronic apparatus using heat sinkFUJITSU LTD·Filed 2003·Granted Mar 15, 2005·17 cites·9 claims
- 2770US6703100B2Disk-like recording medium and method for producing the sameSONY CORP·Filed 2001·Granted Mar 9, 2004·8 cites·24 claims
- 2870US6333914B1Optical recording medium and method of manufacturing sameSONY CORP·Filed 2000·Granted Dec 25, 2001·6 cites·13 claims
- 2968US6242066B1Optical recording medium, optical recording and reproducing apparatus using the same and manufacturing method of optical recording mediumSONY CORP·Filed 1999·Granted Jun 5, 2001·34 cites·32 claims
- 3068US6210609B1Method of manufacturing optical recording mediumSONY CORP·Filed 1997·Granted Apr 3, 2001·25 cites·19 claims
- 3166US5933409AOptical recording medium and method for producing sameSONY CORP·Filed 1997·Granted Aug 3, 1999·18 cites·4 claims
- 3266US5238786AMethod for manufacturing high recording density optical diskSONY CORP·Filed 1990·Granted Aug 24, 1993·16 cites·3 claims
- 3364US7962927B2Optical diskSONY CORP·Filed 2009·Granted Jun 14, 2011·0 cites·12 claims
- 3463US6016302AOptical disc and method for producing sameSONY CORP·Filed 1998·Granted Jan 18, 2000·16 cites·7 claims
- 3563US5230770AMaking method for high-density optical diskSONY CORP·Filed 1992·Granted Jul 27, 1993·13 cites·8 claims
- 3656US8854938B2Optical recording medium, manufacturing method for optical recording mediumKASHIWAGI TOSHIYUKI·Filed 2011·Granted Oct 7, 2014·1 cites·15 claims
- 3756US6580681B1Optical disk with information signal representing a character, method and apparatusSONY CORP·Filed 1999·Granted Jun 17, 2003·11 cites·9 claims
- 3855US5748582AInformation 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
- 3954US7295508B2Optical diskSONY CORP·Filed 2003·Granted Nov 13, 2007·2 cites·4 claims
- 4054US2006007844A1Optical discSONY CORP·Filed 2005·Application pending·0 cites
- 4153US7032043B1Keyboard storage device for a computer systemFUJITSU LTD·Filed 2000·Granted Apr 18, 2006·7 cites·9 claims
- 4252US6636476B1Optical recording medium with a substrate of two different resin layersSONY CORP·Filed 1998·Granted Oct 21, 2003·9 cites·27 claims
- 4350US7034319B2Electron beam irradiation apparatus, electron beam irradiation method, original disk, stamper, and recording mediumSONY CORP·Filed 2001·Granted Apr 25, 2006·1 cites·8 claims
- 4448US6118574AExposure apparatusSONY CORP·Filed 1998·Granted Sep 12, 2000·15 cites·14 claims
- 4547US6201783B1Optical recording medium having substrate of dual transparent layersSONY CORP·Filed 1999·Granted Mar 13, 2001·7 cites·10 claims
- 4645US7596077B2Optical diskSONY CORP·Filed 2003·Granted Sep 29, 2009·0 cites·4 claims
- 4743US6466538B1Optical recording medium having disconnected land and groove forming control portionSONY CORP·Filed 2000·Granted Oct 15, 2002·0 cites·2 claims
- 4843US2003161256A1Optical diskFiled 2002·Application pending·0 cites
- 4943US2004027703A1Optical recording medium and production method thereforFiled 2002·Application pending·0 cites
- 5041US2002048256A1Optical disc and method and apparatus for the preparation of the optical discFiled 2001·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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