Inventor · disambiguated record
Ryoichi Mukai
Also filed as: MUKAI RYOICHI
32 granted patents·10 pending applications·819 citations·filing 1983–2009
98Inventor score
Top patents by PatentIndex Score
42 records- 0195US4800179AMethod for fabricating semiconductor deviceFUJITSU LTD·Filed 1987·Granted Jan 24, 1989·136 cites·6 claims
- 0294US6586044B1Method for manufacturing a magnetic hard disk having concentric magnetic tracks with flat surfaceFUJITSU LTD·Filed 2002·Granted Jul 1, 2003·53 cites·5 claims
- 0392US6583957B1Magnetic hard disk having concentric magnetic tracks with flat surface and fabrication method thereofFUJITSU LTD·Filed 1999·Granted Jun 24, 2003·72 cites·15 claims
- 0485US7799446B2Perpendicular magnetic recording medium and manufacturing method thereof, magnetic recording apparatusSHOWA DENKO KK·Filed 2008·Granted Sep 21, 2010·6 cites·12 claims
- 0585US4920070AMethod for forming wirings for a semiconductor device by filling very narrow via holesFUJITSU LTD·Filed 1987·Granted Apr 24, 1990·67 cites·26 claims
- 0682US5120394AEpitaxial growth process and growing apparatusFUJITSU LTD·Filed 1989·Granted Jun 9, 1992·58 cites·10 claims
- 0779US4617723AMethod and device for creating an activatable conducting link in a semiconductor deviceFUJITSU LTD·Filed 1983·Granted Oct 21, 1986·43 cites·22 claims
- 0872US7767322B2Perpendicular magnetic recording medium, method of producing the same, and magnetic storage deviceSHOWA DENKO KK·Filed 2005·Granted Aug 3, 2010·2 cites·13 claims
- 0972US7132177B2Magnetic recording medium and fabrication method thereofFUJITSU LTD·Filed 2003·Granted Nov 7, 2006·8 cites·7 claims
- 1071US4747076AMethod of writing information into a fuse-type ROMFUJITSU LTD·Filed 1987·Granted May 24, 1988·36 cites·9 claims
- 1170US6171676B1Magnetic recording medium containing fine magnetic crystal grains and its manufactureFUJITSU LTD·Filed 1997·Granted Jan 9, 2001·27 cites·24 claims
- 1269US7732070B2Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic storage unitSHOWA DENKO KK·Filed 2006·Granted Jun 8, 2010·1 cites·8 claims
- 1368US5366905AMethod for producing conducting layers for a semiconductor deviceFUJITSU LTD·Filed 1992·Granted Nov 22, 1994·38 cites·17 claims
- 1467US4543133AProcess for producing single crystalline semiconductor island on insulatorFUJITSU LTD·Filed 1984·Granted Sep 24, 1985·27 cites·6 claims
- 1565US6277484B1Magnetic recording media and method of producing the sameFUJITSU LTD·Filed 1998·Granted Aug 21, 2001·24 cites·15 claims
- 1663US7179548B2Polycrystalline structure film and method of making the sameFUJITSU LTD·Filed 2004·Granted Feb 20, 2007·4 cites·10 claims
- 1763US5264072AMethod for recrystallizing conductive films by an indirect-heating with a thermal-conduction-controlling layerFUJITSU LTD·Filed 1990·Granted Nov 23, 1993·35 cites·5 claims
- 1863US5250465AMethod of manufacturing semiconductor devicesFUJITSU LTD·Filed 1992·Granted Oct 5, 1993·41 cites·14 claims
- 1963US5232674AMethod of improving surface morphology of laser irradiated surfaceFUJITSU LTD·Filed 1992·Granted Aug 3, 1993·31 cites·13 claims
- 2061US6682833B1Magnetic recording medium and production process thereofFUJITSU LTD·Filed 2000·Granted Jan 27, 2004·7 cites·7 claims
- 2159US4968643AMethod for fabricating an activatable conducting link for metallic conductive wiring in a semiconductor deviceFUJITSU LTD·Filed 1989·Granted Nov 6, 1990·24 cites·16 claims
- 2255US2010182722A1Perpendicular magnetic storage medium and multilayered structure film and storage deviceSHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 2354US2009155626A1Magnetic recording mediumFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2453US5077233AMethod for recrystallizing specified portions of a non-crystalline semiconductor material to fabricate a semiconductor device thereinFUJITSU LTD·Filed 1990·Granted Dec 31, 1991·16 cites·2 claims
- 2553US2008292908A1Perpendicular magnetic recording medium, method of manufacturing perpendicular magnetic recording medium, and magnetic recording apparatusFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2652US2008206601A1Perpendicular magnetic recording medium and method of manufacturing the sameFUJITSU LTD·Filed 2008·Application pending·0 cites
- 2751US7270897B2Magnetic recording medium, method of manufacturing the same medium and magnetic disc driveFUJITSU LTD·Filed 2001·Granted Sep 18, 2007·1 cites·2 claims
- 2849US7008705B2Layered polycrystalline structure and method of making the sameFUJITSU LTD·Filed 2001·Granted Mar 7, 2006·1 cites·11 claims
- 2949US5759617AProduction process for a hard disk magnetic recording mediumFUJITSU LTD·Filed 1997·Granted Jun 2, 1998·8 cites·12 claims
- 3049US5288664AMethod of forming wiring of semiconductor deviceFUJITSU LTD·Filed 1991·Granted Feb 22, 1994·17 cites·23 claims
- 3149US5110759AConductive plug forming method using laser planarizationFUJITSU LTD·Filed 1991·Granted May 5, 1992·18 cites·28 claims
- 3249US2007207348A1Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic storage unitFUJITSU LTD·Filed 2006·Application pending·0 cites
- 3347US2006222902A1Perpendicular magnetic recording medium, manufacturing method thereof, and magnetic storage deviceFUJITSU LTD·Filed 2006·Application pending·0 cites
- 3446US2006078683A1Multilayered structure film and method of making the sameFUJITSU LTD·Filed 2005·Application pending·0 cites
- 3544US2005158883A1Multilayered structure film and method of making the sameFUJITSU LTD·Filed 2005·Application pending·0 cites
- 3643US7270898B2Polycrystalline structure of ordered alloy and method of making the sameFUJITSU LTD·Filed 2004·Granted Sep 18, 2007·0 cites·14 claims
- 3743US2005255336A1Perpendicular magnetic recording medium, method of producing the same, and magnetic storage deviceFUJITSU LTD·Filed 2004·Application pending·0 cites
- 3841US2002088706A1Polycrystalline structure film and method of making sameFUJITSU LTD·Filed 2002·Application pending·0 cites
- 3940US5100834AMethod of planarizing metal layerFUJITSU LTD·Filed 1991·Granted Mar 31, 1992·10 cites·30 claims
- 4037US4551907AProcess for fabricating a semiconductor deviceFUJITSU LTD·Filed 1983·Granted Nov 12, 1985·7 cites·18 claims
- 4130US5518967AProcess for producing a semiconductor device capable of planarizing a metal film surface thereonFUJITSU LTD·Filed 1994·Granted May 21, 1996·0 cites·9 claims
- 4230US5358736AMethod of forming a thin and continuous film of conductive materialFUJITSU LTD·Filed 1993·Granted Oct 25, 1994·1 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →