Inventor · disambiguated record
Tetsuya Fushimi
Also filed as: FUSHIMI TETSUYA
44 granted patents·3 pending applications·1,137 citations·filing 1992–2010
98Inventor score
Technology areasG11B
Top patents by PatentIndex Score
47 records- 0199US6549497B2Optical reproducing methodHITACHI LTD·Filed 2002·Granted Apr 15, 2003·244 cites·8 claims
- 0298US5936933AInformation recording medium and method and apparatus for recording and reproducing information using the sameHITACHI LTD·Filed 1997·Granted Aug 10, 1999·105 cites·15 claims
- 0398US5377178AData recording/reproducing method and apparatus using a recording medium having clock marks recorded in a wobbled track for read/write synchronizationHITACHI LTD·Filed 1992·Granted Dec 27, 1994·198 cites·38 claims
- 0496US6088307AWobble signal detecting circuit, wobble abnormality detecting circuit, information processing apparatus using these circuits and method and recording medium used in the apparatus or methodHITACHI LTD·Filed 1998·Granted Jul 11, 2000·129 cites·35 claims
- 0596US5930228AMethod and apparatus for recording and reproducing information using pseudo identification signalHITACHI LTD·Filed 1998·Granted Jul 27, 1999·53 cites·6 claims
- 0695US6388987B2Information recording medium having wobbled groove structure and plural zonesHITACHI LTD·Filed 2001·Granted May 14, 2002·24 cites·2 claims
- 0794US6542458B2Information recording medium having wobbled grovesHITACHI LTD·Filed 2002·Granted Apr 1, 2003·21 cites·9 claims
- 0893US6219331B1Information recording medium with tracks having a groove structure having a fixed cycle of wobbleHITACHI LTD·Filed 1999·Granted Apr 17, 2001·37 cites·12 claims
- 0993US5608710APhase changing recording medium with amorphous points each formed by a pair of high power and low recording pulsesHITACHI LTD·Filed 1995·Granted Mar 4, 1997·81 cites·44 claims
- 1092US6545960B2Information recording medium and method and apparatus for recording and reproducing information using the sameHITACHI LTD·Filed 2002·Granted Apr 8, 2003·15 cites·2 claims
- 1190US7092330B2Information recording methodHITACHI LTD·Filed 2005·Granted Aug 15, 2006·4 cites·2 claims
- 1290US7085202B2Information recording methodHITACHI LTD·Filed 2005·Granted Aug 1, 2006·4 cites·2 claims
- 1387US6490233B2Optical reproducing methodHITACHI LTD·Filed 2002·Granted Dec 3, 2002·9 cites·1 claims
- 1486US6552978B2Information recording apparatusHITACHI LTD·Filed 2002·Granted Apr 22, 2003·8 cites·8 claims
- 1585US6545961B2Optical reproducing methodHITACHI LTD·Filed 2002·Granted Apr 8, 2003·7 cites·2 claims
- 1683US6545962B2Optical reproducing method for reproducing information on an optical medium having groove structure with fixed cycle of wobbleHITACHI LTD·Filed 2002·Granted Apr 8, 2003·6 cites·4 claims
- 1783US6345023B1Optical disc apparatus with different frequencies of wobble signal and clock signal for rotation controlHITACHI LTD·Filed 1999·Granted Feb 5, 2002·39 cites·4 claims
- 1883US5572502AOptical disk apparatusHITACHI LTD·Filed 1994·Granted Nov 5, 1996·38 cites·10 claims
- 1982US6728176B2Information recording methodHITACHI LTD·Filed 2003·Granted Apr 27, 2004·6 cites·1 claims
- 2080US6091678AMethod and apparatus for detecting position of alternated land and groove of information recording mediumHITACHI LTD·Filed 1998·Granted Jul 18, 2000·37 cites·29 claims
- 2178US6665244B2Optical reproducing methodHITACHI LTD·Filed 2002·Granted Dec 16, 2003·4 cites·2 claims
- 2278US6542448B2Information recording apparatus for recording information on an optical medium having a groove structure with a fixed cycle of wobbleHITACHI LTD·Filed 2002·Granted Apr 1, 2003·4 cites·4 claims
- 2378US6493295B2Information recording apparatusHITACHI LTD·Filed 2002·Granted Dec 10, 2002·4 cites·1 claims
- 2471US5761172AMethod of optical reproduction using pulsed lightHITACHI LTD·Filed 1996·Granted Jun 2, 1998·21 cites·64 claims
- 2570US6438078B2Optical disc apparatus and method thereofHITACHI LTD·Filed 2001·Granted Aug 20, 2002·6 cites·6 claims
- 2667US6754144B1Optical information recording/reproducing apparatusHITACHI LTD·Filed 2000·Granted Jun 22, 2004·6 cites·14 claims
- 2765US7088654B2Information recording methodHITACHI LTD·Filed 2005·Granted Aug 8, 2006·0 cites·2 claims
- 2865US7088653B2Information recording methodHITACHI LTD·Filed 2005·Granted Aug 8, 2006·0 cites·8 claims
- 2965US7085208B2Information recording methodHITACHI LTD·Filed 2005·Granted Aug 1, 2006·0 cites·8 claims
- 3065US7082085B2Information recording methodHITACHI LTD·Filed 2005·Granted Jul 25, 2006·0 cites·4 claims
- 3165US7082087B2Information recording methodHITACHI LTD·Filed 2005·Granted Jul 25, 2006·0 cites·2 claims
- 3265US7082096B2Information recording methodHITACHI LTD·Filed 2005·Granted Jul 25, 2006·0 cites·1 claims
- 3365US6295258B1Method for recording and reproducing information by pre-pits detectionHITACHI LTD·Filed 2000·Granted Sep 25, 2001·5 cites·8 claims
- 3464US7106669B2Information recording methodHITACHI LTD·Filed 2005·Granted Sep 12, 2006·0 cites·1 claims
- 3564US7082083B2Information recording methodHITACHI LTD·Filed 2005·Granted Jul 25, 2006·0 cites·1 claims
- 3664US6996036B2Information recording methodHITACHI LTD·Filed 2004·Granted Feb 7, 2006·1 cites·1 claims
- 3764US6388986B2Information recording medium having wobbled groove structureHITACHI LTD·Filed 2001·Granted May 14, 2002·1 cites·3 claims
- 3863US6580686B2Information recording medium recording data on wobbled groove structure of recording mediumHITACHI LTD·Filed 2002·Granted Jun 17, 2003·1 cites·2 claims
- 3960US8121004B2Method for adjusting recording power and optical disk apparatusFUSHIMI TETSUYA·Filed 2009·Granted Feb 21, 2012·1 cites·20 claims
- 4057US6850470B2Optical disc apparatus and method thereofHITACHI LTD·Filed 2002·Granted Feb 1, 2005·2 cites·10 claims
- 4157US6188654B1Method and apparatus for recording/reproducing by pre-pits detectionHTACHI LTD·Filed 1998·Granted Feb 13, 2001·12 cites·9 claims
- 4256US7668060B2Optical disc apparatus, method of adjusting focus offset for optical disc apparatus, and program for executing focus offset adjustmentHITACHI LG DATA STORAGE INC·Filed 2006·Granted Feb 23, 2010·0 cites·4 claims
- 4354US2010020653A1Optical Disc Apparatus and Method for Recording Information Using the SameHITACHI LG DATA STORAGE INC·Filed 2009·Application pending·0 cites
- 4448US8000194B2Optical disc apparatus, method of adjusting focus offset for optical disc apparatus, and program for executing focus offset adjustmentHITACHI LG DATA STORAGE INC·Filed 2010·Granted Aug 16, 2011·0 cites·8 claims
- 4544US2008101204A1Optical disk device and method for controlling the same.FUSHIMI TETSUYA·Filed 2007·Application pending·0 cites
- 4642US6301210B1Optical disc apparatus and method thereofHITACHI LTD·Filed 1999·Granted Oct 9, 2001·4 cites·4 claims
- 4742US2007121462A1Optical disc apparatus and information recording methodISHII TOSHIKI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →