Inventor · disambiguated record
Yoshiteru Murakami
Also filed as: MURAKAMI YOSHITERU
101 granted patents·4 pending applications·1,202 citations·filing 1984–2014
99Inventor score
Top patents by PatentIndex Score
105 records- 0196US5499229ATrack scanning for reproducing address information by crosstalkSHARP KK·Filed 1994·Granted Mar 12, 1996·92 cites·9 claims
- 0292US5933411AOptical recording medium having a wobbling section for recording address information and methods of recording and reproduction using sameSHARP KK·Filed 1997·Granted Aug 3, 1999·54 cites·23 claims
- 0389US8411538B2Optical information storage medium reproduction apparatus and control method of the sameYAMAMOTO MASAKI·Filed 2010·Granted Apr 2, 2013·7 cites·2 claims
- 0489US5656385AMagnetic recording medium and information recording-reproduction method using the sameSHARP KK·Filed 1993·Granted Aug 12, 1997·30 cites·7 claims
- 0587US8208214B2Magnetic sensor device having near field light generation section employing a dielectric layer between a protruding metal layer and magnetic layerIWATA NOBORU·Filed 2007·Granted Jun 26, 2012·8 cites·11 claims
- 0687US8189444B2Optical information recording medium and optical information processing apparatusMORI GO·Filed 2008·Granted May 29, 2012·5 cites·6 claims
- 0787US5452272AMagneto-optical recording and reproducing device having light interrupting forming main robe and side robe light beam portionsSHARP KK·Filed 1993·Granted Sep 19, 1995·41 cites·20 claims
- 0887US5059473AOptical recording medium and manufacturing method thereofSHARP KK·Filed 1989·Granted Oct 22, 1991·33 cites·13 claims
- 0986US8264917B2Heat generation control device for heat-assisted magnetic recording and reproducing apparatusNAKANO IKUO·Filed 2007·Granted Sep 11, 2012·8 cites·22 claims
- 1086US6295271B1Optical recording medium having tracks, each track having a plurality of wobble sections/one-side wobble regionsSHARP KK·Filed 1999·Granted Sep 25, 2001·35 cites·22 claims
- 1184US5586109AOptical memory having narrowed track pitchSHARP KK·Filed 1994·Granted Dec 17, 1996·28 cites·7 claims
- 1282US6128274AOptical recording disk capable of suppressing bimetallic effects caused by thermal expansionSHARP KK·Filed 1998·Granted Oct 3, 2000·37 cites·22 claims
- 1382US4956243AOptical memory elementSHARP KK·Filed 1987·Granted Sep 11, 1990·26 cites·13 claims
- 1481US5066381ATarget unitSHARP KK·Filed 1990·Granted Nov 19, 1991·51 cites·26 claims
- 1580US6122233AOptical disk having virtually constant width recording track and optical disk apparatusSHARP KK·Filed 1998·Granted Sep 19, 2000·33 cites·22 claims
- 1680US5490131AOptical diskSHARP KK·Filed 1991·Granted Feb 6, 1996·31 cites·29 claims
- 1780US4610912AMagneto-optic memory elementSHARP KK·Filed 1984·Granted Sep 9, 1986·31 cites·15 claims
- 1878US8467142B2Recording medium, recording/reproduction device and method for controlling recording/reproduction deviceSAKAI TOSHIHIKO·Filed 2009·Granted Jun 18, 2013·3 cites·9 claims
- 1977US8152972B2Method for forming fine particles, method for forming concavities and convexities, and device for forming fine particlesIWATA NOBORU·Filed 2008·Granted Apr 10, 2012·3 cites·9 claims
- 2077US5563852AMagneto-optical recording medium having a readout layer with varying composition and curie temperatureSHARP KK·Filed 1994·Granted Oct 8, 1996·21 cites·16 claims
- 2176US6143436AMagnetic recording medium and information recording-reproduction method using the sameSHARP KK·Filed 1997·Granted Nov 7, 2000·21 cites·18 claims
- 2276US4917751AMethod of producing double sided optical memory disksSHARP KK·Filed 1989·Granted Apr 17, 1990·29 cites·5 claims
- 2372US5486395AMagneto-optical diskSHARP KK·Filed 1992·Granted Jan 23, 1996·20 cites·11 claims
- 2471US6147939AMagneto-optical recording medium having intermediate layer of in-plane magnetizationSHARP KK·Filed 1998·Granted Nov 14, 2000·19 cites·64 claims
- 2569US8848306B2Magnetic recording reproducing apparatus and magnetic recording mediumSAKAI TOSHIHIKO·Filed 2012·Granted Sep 30, 2014·2 cites·6 claims
- 2669US4792474AOptical memory elementSHARP KK·Filed 1986·Granted Dec 20, 1988·14 cites·12 claims
- 2768US8233359B2Magnetic recording medium, magnetic recording/reproducing apparatus, and magnetic recording/reproducing methodIWATA NOBORU·Filed 2007·Granted Jul 31, 2012·1 cites·13 claims
- 2868US8130457B2Magnetic recording/reproducing apparatus and method for determining magnetic recording conditionNAKANO IKUO·Filed 2007·Granted Mar 6, 2012·1 cites·10 claims
- 2968US6261707B1Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording mediumSHARP KK·Filed 1993·Granted Jul 17, 2001·14 cites·26 claims
- 3068US5955191AMagneto-optical recording medium and a reproducing method using such a mediumSHARP KK·Filed 1997·Granted Sep 21, 1999·19 cites·25 claims
- 3168US5901118AMagneto-optical recording medium having a readout layer and a recording layerSHARP KK·Filed 1997·Granted May 4, 1999·20 cites·33 claims
- 3267US4717628AMagnetooptical storage elementSHARP KK·Filed 1986·Granted Jan 5, 1988·20 cites·12 claims
- 3366US4740947ADual surface optical memory discSHARP KK·Filed 1987·Granted Apr 26, 1988·25 cites·5 claims
- 3465US6665235B2Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording mediumSHARP KK·Filed 2002·Granted Dec 16, 2003·7 cites·6 claims
- 3565US5317555AOptical head device utilizing partially overlapping light spots to read information from a readout layerSHARP KK·Filed 1992·Granted May 31, 1994·15 cites·9 claims
- 3665US2010232269A1Optical information storage medium reproduction apparatus and control method of the sameSHARP KK·Filed 2008·Application pending·0 cites
- 3764US5676854AOptical memory having narrowed track pitchSHARP KK·Filed 1996·Granted Oct 14, 1997·14 cites·5 claims
- 3863US6272077B1Magneto-optical recording medium having intermediate layer of in plane magnetizationSHARP KK·Filed 2000·Granted Aug 7, 2001·4 cites·12 claims
- 3963US4695514AMagneto-optical memory elementSHARP KK·Filed 1984·Granted Sep 22, 1987·10 cites·16 claims
- 4062US8976637B2Optical information storage medium reproduction apparatus and control method of the sameSHARP KK·Filed 2014·Granted Mar 10, 2015·0 cites·1 claims
- 4162US7337454B2Disc cartridgeSHARP KK·Filed 2003·Granted Feb 26, 2008·4 cites·18 claims
- 4262US5331612AMagneto-optical recording apparatus using the magnetic field modulation methodSHARP KK·Filed 1992·Granted Jul 19, 1994·13 cites·8 claims
- 4362US5328740AMagneto-optical recording medium and method for processing the surfaceSHARP KK·Filed 1991·Granted Jul 12, 1994·11 cites·4 claims
- 4462US4985885AOptical memory deviceSHARP KK·Filed 1988·Granted Jan 15, 1991·11 cites·5 claims
- 4561US4786559AMagnetooptical storage elementSHARP KK·Filed 1986·Granted Nov 22, 1988·11 cites·4 claims
- 4661US4719137AMagneto-optic memory elementSHARP KK·Filed 1985·Granted Jan 12, 1988·12 cites·8 claims
- 4760US8767516B2Optical information storage medium reproduction apparatus and control method of the sameSHARP KK·Filed 2013·Granted Jul 1, 2014·0 cites·2 claims
- 4860US5615182AMagneto-optical disk and the reproducing method thereofSHARP KK·Filed 1995·Granted Mar 25, 1997·12 cites·14 claims
- 4960US5353278AMagneto-optical disk and method of manufacturing the sameSHARP KK·Filed 1991·Granted Oct 4, 1994·12 cites·8 claims
- 5059US5477528AMagneto-optical disk and the reproducing method thereofSHARP KK·Filed 1994·Granted Dec 19, 1995·9 cites·10 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →